US20050043123A1 - Lacrosse stick - Google Patents
Lacrosse stick Download PDFInfo
- Publication number
- US20050043123A1 US20050043123A1 US10/645,969 US64596903A US2005043123A1 US 20050043123 A1 US20050043123 A1 US 20050043123A1 US 64596903 A US64596903 A US 64596903A US 2005043123 A1 US2005043123 A1 US 2005043123A1
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- Prior art keywords
- head frame
- stem
- lacrosse stick
- lacrosse
- stick
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
- A63B59/20—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00 having means, e.g. pockets, netting or adhesive type surfaces, for catching or holding a ball, e.g. for lacrosse or pelota
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/14—Lacrosse
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/06—Handles
- A63B60/10—Handles with means for indicating correct holding positions
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/06—Handles
- A63B60/16—Caps; Ferrules
Definitions
- This invention relates to lacrosse sticks.
- Lacrosse sticks In the game of lacrosse, players use sticks to receive and shoot a ball.
- Lacrosse sticks generally include an elongated stem and a head portion. The player grips a handle located toward the butt end of the stem, and utilizes the head portion, which includes mesh, to receive and shoot the ball during play.
- a typical head frame for a lacrosse stick includes a socket to receive the forward end of the stem.
- the stem is then coupled to the head frame by a fastener, such as a screw.
- a fastener such as a screw.
- the invention provides a novel lacrosse stick having a continuous stem and head frame.
- the stem of the lacrosse stick is stiffer than at least a distal end of the head frame and provides a player with a superior stick for the game of lacrosse. Because of its unitary structure, the lacrosse stick of the present invention is more durable than prior art devices. Moreover, because of the differential stiffness between the stem and head frame portions, a player will be able to scoop balls from the turf more easily, receive hard passes with comfort, and generate hard shots because of the whip like action of the stick.
- a lacrosse stick including a head portion which further includes a head frame for receiving a mesh is provided. At least a distal end of the head frame is flexible.
- the lacrosse stick further includes an elongated stem portion extending from a proximal end of the head frame, and the stem and head frame share at least a common continuous exterior material so as to define a unitary structure.
- the head frame and the stem are mechanically joined, and the stick includes a continuous sheath covering the head frame and the stem so as to define a unitary external structure.
- the sheath may include a polymer and/or a composite material.
- the head frame and the stem are integrally continuous portions of a single mechanical structure.
- the head frame and stem may be integrally fabricated by injection molding.
- the head frame may contain a progressively reduced amount of reinforcing material.
- the combination of materials injected to form the stem may provide greater rigidity than materials injected to form the head frame.
- the stem is formed around a tubular metal rod.
- the stem may be fabricated from aluminum, a light weight metal, wood, or a composite material. At least a portion of the head frame may be fabricated from a flexible plastic.
- the entire head frame has greater flexibility than at least a portion of the stem.
- the distal end of the head frame may be angled such that an upper rim of the head frame protrudes distally of a lower rim of the head frame.
- the stem and the head frame may include composite materials.
- the composite materials may include glass, polymer, arimides, carbon, boron, or ceramics.
- FIG. 1 shows a front view of one embodiment of a continuously formed lacrosse stick and head frame in accordance with the invention
- FIG. 2 shows a side view of the continuously formed lacrosse stick and head frame of FIG. 1 ;
- FIG. 3 shows a front view of another embodiment of a continuously formed lacrosse stick and head frame in accordance with the invention.
- FIG. 4 shows a side view of the continuously formed lacrosse stick and head frame of FIG. 3 .
- a lacrosse stick 10 includes an elongate stem 14 having a proximal butt end 18 and a distal forward end 22 . Extending from and integral with the distal forward end 22 of the elongate stem 14 is a head frame 26 .
- a handle 15 which a player grips during use of the lacrosse stick 10 .
- handles 15 can be used in accordance with the invention.
- the handle 15 is a hollow rubber knob that slides onto and caps the butt end 18 of the lacrosse stick 10 .
- the handle 15 is an injection-molded plastic grip with grooves designed to accommodate a player's fingers that slides onto the lacrosse stick 10 .
- the handle 15 is not limited to those described, and can be any handle 15 that is typically used in a lacrosse stick 10 or a hockey stick.
- the head frame 26 is defined by at least one wall member 30 extending distally from the distal end 22 of the stem 14 and transversely from the center line 34 of the stem 14 .
- the distal end 23 of the wall members 30 forms a generally arcuate nose element 38 , which bridges the sides that converge towards the stem 14 .
- the wall member 30 includes an upper rim 37 and a lower rim 39 .
- the lower rim 39 may have a plurality of apertures 43 ( FIG. 2 ) spaced about its periphery to receive a mesh (not shown). In use, the mesh is suspended from the apertures 43 to define a bottom closure of the head frame 26 .
- the mesh is coupled to the head frame 26 by fasteners (not shown). In general, the mesh can be coupled to the head frame 26 using any suitable means.
- the upper rim 37 of the head frame 26 defines a mouth 46 in which a lacrosse ball is received into and shot from the lacrosse stick 10 .
- the mouth 46 is generally divisible into two functional portions. The first is a throat portion 50 adjacent the juncture of the wall member 30 with the distal end 22 of the stem 14 .
- the mesh suspended from the throat 50 of the head frame 26 defines a pocket 52 , where the lacrosse ball resides during the player's retention of the ball in the lacrosse stick 10 .
- the throat portion 50 of the head frame 26 terminates in an arcuate contour 54 , the radius of curvature of the contour 54 being selected to define an accommodating surface against which the lacrosse ball rests while retained in the pocket 52 .
- the contour 54 is lined with a soft, resilient padding which assists a player in maintaining the ball in the throat portion 50 .
- the mouth 46 also includes a receiving and shooting portion 58 defined by the portion of the mesh distally to the throat portion 50 and extending to the nose element 38 of the head frame 26 .
- the receiving and shooting portion 58 is the location at which the lacrosse ball is initially received and entrapped by the player and from which the ball is ultimately passed or shot.
- the nose element 38 of the head frame 26 has a generally flexible wall portion 61 ; for example, the wall portion 61 may be thinner than other portions of the wall member 30 .
- the wall portion 61 is angled such that the upper rim 37 of the head frame 26 protrudes distally of the lower rim 39 .
- the angle a of the wall 61 can range from about 10 degrees to about 80 degrees ( FIG. 2 ).
- the thin, angled wall portion 61 of the nose element 38 assists a player in scooping a ball off the turf, since the flexibility of the wall portion 61 allows it to yield without excessive effort, sparing the player the need to excessively lean forward.
- the wall portion 61 of the nose element 38 facilitates the fielding of ground balls since there is less of a lip for the ball to pass over before reaching the receiving and shooting portion 58 .
- the stem 14 and the head frame 26 of the lacrosse stick 10 of the present invention have a unique construction that enables differential stiffness to be achieved between the stem 14 and the head frame 26 .
- lacrosse sticks 10 according to the present invention feature a stem 14 that has greater stiffness and rigidity than at least the distal end 23 of the head frame 26 , and more preferably, the stem 14 has greater stiffness than the shooting and receiving portion 58 of the head frame 26 .
- a lacrosse stick 10 that has a continuously formed stem 14 and head frame 26 is depicted where the stem 14 has greater stiffness than at least the distal end 23 of the head frame 26 .
- the stem 14 has greater rigidity than the entire head frame 26 .
- At least the exterior of the stem 14 and head frame 26 are preferably made from composite materials, which generally consist of a thermoplastic or thermoset polymer-based resin matrix impregnated with a material, such as a fiber, to reinforce the matrix.
- Preferred fibers include glass, polymer arimides such as KEVLAR, carbon, boron, or ceramics.
- a composite may include two or more different types of fibers in a single matrix.
- the lacrosse stick 10 is molded (typically by injection molding) from a plastic material, for example, CAPRON polymer produced by Honeywell Plastics (Morristown, USA).
- a plastic material for example, CAPRON polymer produced by Honeywell Plastics (Morristown, USA).
- the composite material used to form the stem 14 can contain a greater concentration of fiber than the material used to form the head frame 26 (which may, particularly toward the distal end 23 , lack fiber altogether), or can contain a reinforcing material providing reduced stiffness.
- Techniques for varying the composition of a polymer during the course of molding operations are well-understood in the art.
- the stem 14 is formed from CAPRON polymer containing fiberglass (also provided by Honeywell Plastics) while the head frame 26 has a progressively reduced amount of reinforcing material.
- the lacrosse stick 10 is manufactured by co-injection molding, where materials are injected sequentially to create a core surrounded by a skin.
- the core and skin combination in the head frame 26 is fabricated to be less rigid than the stem 14 .
- the lacrosse stick 10 is fabricated through the process of bi-injection molding, where different materials are injected through different gates. Using this technique, the combination of materials injected to form the stem 14 provide greater rigidity than the materials injected to form the head frame 26 . In general, any injection molding process can be used that results in the stem 14 having greater rigidity than the head frame 26 .
- the stem 14 is formed around a metal rod or mandrel, which acts as a stiff backbone for a composite sheath, and which continues in extent to form the head frame 26 .
- a metal rod or mandrel which acts as a stiff backbone for a composite sheath, and which continues in extent to form the head frame 26 .
- KEVLAR in either unidirectional pre-preg tape, or bidirectional prepreg fabric forms may be used.
- a plurality of composite material layers are rolled in a stacked fashion around a mandrel having the desired shape of at least the stem 14 .
- Each of the layers may be similar, or may differ with respect to one or more of the included materials and/or properties.
- plies of unidirectional tape or fabric plies may be selectively oriented in the direction that provides the cured lacrosse stick 10 with the properties desired.
- the layers also may be of similar size and shape and stacked one on top of another, or may be of different size and shape.
- the stacking of the layers may be performed by using a plurality of pieces of composite material for a layer, or using only a single piece for a layer.
- the layers of composite materials may also be of any suitable thickness, or thicknesses.
- the laminate is then cured by heating, for instance in an autoclave, to form the finished product. It will be appreciated that by varying the method of construction of the stem 14 and the head frame 26 , lacrosse sticks 10 with stems 14 having greater stiffness than the head frame 26 may be fabricated.
- the stem 14 and the head frame 26 are mechanically joined, and a composite sheath is formed over the stem 14 and head frame 26 to define a unitary external structure as depicted in FIGS. 3 and 4 .
- the stem 14 of the lacrosse stick 10 may be fabricated from aluminum or another lightweight metal, wood, a composite material, etc.
- the stem 14 may also be tubular in construction throughout the longitudinal length of the stem 14 to reduce weight.
- the stem 14 may further have a circular, rectangular, octagonal or any other cross section desirable.
- the head frame 26 in this embodiment is preferably fabricated from a composite material that has a reduced stiffness is comparison to the stem 14 of the lacrosse stick 10 .
- the stem 14 is then coupled to the head frame 26 by any suitable means.
- the stem 14 may be attached to the head frame 26 by an adhesive bonding.
- the head portion may have a shape that facilitates attachment to the stem.
- the head frame 26 may terminate in a plug 60 that is received in a socket 64 formed within the distal end 68 of the stem 14 , so that when so joined, the outer surface of the stem 14 is substantially flush with the outer surface 76 of the head frame 26 .
- a sheath for example, fabricated from a composite material like KEVLAR is layered onto the head frame 26 and stem 14 and cured to produce a lacrosse stick 10 with a unitary external structure.
- a sheath covering made from a polymer, such as polyethylene covers the head frame 26 and stem 14 portions so as to define a unitary structure.
Abstract
Lacrosse sticks have a head frame and a stem that share at least a common continuous exterior material so as to define a unitary structure. At least a distal end of the head frame is more flexible than the stem portion of the lacrosse stick.
Description
- This invention relates to lacrosse sticks.
- In the game of lacrosse, players use sticks to receive and shoot a ball. Lacrosse sticks generally include an elongated stem and a head portion. The player grips a handle located toward the butt end of the stem, and utilizes the head portion, which includes mesh, to receive and shoot the ball during play.
- Decades ago, some lacrosse sticks were manufactured as one-piece, integral wooden structures. Such sticks were not only difficult and costly to fabricate, but owing to their unitary mechanical properties, also limited the maneuvers that a player could execute. For example, the stiff wood, while necessary for handle strength, was poorly suited to the head portion; the lack of flexibility would, for example, limit the player's ability to scoop up the ball from the ground or make it more difficult for a player to receive a hard pass without feeling excessive vibrations.
- As a result, it has become commonplace to fabricate lacrosse sticks using a stem element formed of straight grained wood, or wood laminate, or a tough, lightweight metallic or reinforced plastic tubular element and to affix to the forward end of the stem a flexible head frame (composed, for example, of a tough synthetic thermoplastic material such as high impact-strength nylon). Indeed, most lacrosse sticks today are sold as separate head and stem portions.
- A typical head frame for a lacrosse stick includes a socket to receive the forward end of the stem. The stem is then coupled to the head frame by a fastener, such as a screw. One problem with such a construction is that the connection between the head frame and stem may loosen during play, compromising the player's ability to effectively control his stick. Worse, in some instances the head frame may detach entirely from the stem.
- The invention provides a novel lacrosse stick having a continuous stem and head frame. The stem of the lacrosse stick is stiffer than at least a distal end of the head frame and provides a player with a superior stick for the game of lacrosse. Because of its unitary structure, the lacrosse stick of the present invention is more durable than prior art devices. Moreover, because of the differential stiffness between the stem and head frame portions, a player will be able to scoop balls from the turf more easily, receive hard passes with comfort, and generate hard shots because of the whip like action of the stick.
- In one aspect of the invention, a lacrosse stick including a head portion which further includes a head frame for receiving a mesh is provided. At least a distal end of the head frame is flexible. The lacrosse stick further includes an elongated stem portion extending from a proximal end of the head frame, and the stem and head frame share at least a common continuous exterior material so as to define a unitary structure.
- In one embodiment, the head frame and the stem are mechanically joined, and the stick includes a continuous sheath covering the head frame and the stem so as to define a unitary external structure. The sheath may include a polymer and/or a composite material.
- In a different embodiment, the head frame and the stem are integrally continuous portions of a single mechanical structure. The head frame and stem may be integrally fabricated by injection molding. Also, the head frame may contain a progressively reduced amount of reinforcing material. Moreover, the combination of materials injected to form the stem may provide greater rigidity than materials injected to form the head frame.
- In other embodiments of the invention, the stem is formed around a tubular metal rod. The stem may be fabricated from aluminum, a light weight metal, wood, or a composite material. At least a portion of the head frame may be fabricated from a flexible plastic.
- In preferred embodiments, the entire head frame has greater flexibility than at least a portion of the stem. Also, the distal end of the head frame may be angled such that an upper rim of the head frame protrudes distally of a lower rim of the head frame. The stem and the head frame may include composite materials. The composite materials may include glass, polymer, arimides, carbon, boron, or ceramics.
- These and other objects, along with advantages and features of the present invention herein disclosed, will become apparent through reference to the following description, the accompanying drawings, and the claims. Furthermore, it is to be understood that the features of the various embodiments described herein are not mutually exclusive and can exist in various combinations and permutations.
- In the drawings, like reference characters generally refer to the same parts throughout the different views. Also, the drawings are not necessarily to scale, emphasis instead generally being placed upon illustrating the principles of the invention. In the following description, various embodiments of the present invention are described with reference to the following drawings, in which:
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FIG. 1 shows a front view of one embodiment of a continuously formed lacrosse stick and head frame in accordance with the invention; -
FIG. 2 shows a side view of the continuously formed lacrosse stick and head frame ofFIG. 1 ; -
FIG. 3 shows a front view of another embodiment of a continuously formed lacrosse stick and head frame in accordance with the invention; and -
FIG. 4 shows a side view of the continuously formed lacrosse stick and head frame ofFIG. 3 . - With reference to
FIG. 1 , alacrosse stick 10 includes anelongate stem 14 having aproximal butt end 18 and a distalforward end 22. Extending from and integral with the distalforward end 22 of theelongate stem 14 is ahead frame 26. - Coupled to the
butt end 18 of thestem 14 is ahandle 15 which a player grips during use of thelacrosse stick 10. A variety ofhandles 15 can be used in accordance with the invention. For instance, in one embodiment, thehandle 15 is a hollow rubber knob that slides onto and caps thebutt end 18 of thelacrosse stick 10. In another embodiment, thehandle 15 is an injection-molded plastic grip with grooves designed to accommodate a player's fingers that slides onto thelacrosse stick 10. Thehandle 15 is not limited to those described, and can be anyhandle 15 that is typically used in alacrosse stick 10 or a hockey stick. - As shown in
FIGS. 1 and 2 , thehead frame 26 is defined by at least onewall member 30 extending distally from thedistal end 22 of thestem 14 and transversely from thecenter line 34 of thestem 14. Thedistal end 23 of thewall members 30 forms a generallyarcuate nose element 38, which bridges the sides that converge towards thestem 14. Thewall member 30 includes anupper rim 37 and alower rim 39. Thelower rim 39 may have a plurality of apertures 43 (FIG. 2 ) spaced about its periphery to receive a mesh (not shown). In use, the mesh is suspended from theapertures 43 to define a bottom closure of thehead frame 26. In another embodiment, the mesh is coupled to thehead frame 26 by fasteners (not shown). In general, the mesh can be coupled to thehead frame 26 using any suitable means. - The
upper rim 37 of thehead frame 26 defines amouth 46 in which a lacrosse ball is received into and shot from thelacrosse stick 10. Themouth 46 is generally divisible into two functional portions. The first is athroat portion 50 adjacent the juncture of thewall member 30 with thedistal end 22 of thestem 14. The mesh suspended from thethroat 50 of thehead frame 26 defines apocket 52, where the lacrosse ball resides during the player's retention of the ball in thelacrosse stick 10. Thethroat portion 50 of thehead frame 26 terminates in anarcuate contour 54, the radius of curvature of thecontour 54 being selected to define an accommodating surface against which the lacrosse ball rests while retained in thepocket 52. Typically, thecontour 54 is lined with a soft, resilient padding which assists a player in maintaining the ball in thethroat portion 50. - The
mouth 46 also includes a receiving and shootingportion 58 defined by the portion of the mesh distally to thethroat portion 50 and extending to thenose element 38 of thehead frame 26. The receiving and shootingportion 58 is the location at which the lacrosse ball is initially received and entrapped by the player and from which the ball is ultimately passed or shot. - The
nose element 38 of thehead frame 26 has a generallyflexible wall portion 61; for example, thewall portion 61 may be thinner than other portions of thewall member 30. Thewall portion 61 is angled such that theupper rim 37 of thehead frame 26 protrudes distally of thelower rim 39. The angle a of thewall 61 can range from about 10 degrees to about 80 degrees (FIG. 2 ). The thin,angled wall portion 61 of thenose element 38 assists a player in scooping a ball off the turf, since the flexibility of thewall portion 61 allows it to yield without excessive effort, sparing the player the need to excessively lean forward. Moreover, thewall portion 61 of thenose element 38 facilitates the fielding of ground balls since there is less of a lip for the ball to pass over before reaching the receiving and shootingportion 58. - The
stem 14 and thehead frame 26 of thelacrosse stick 10 of the present invention have a unique construction that enables differential stiffness to be achieved between thestem 14 and thehead frame 26. In particular,lacrosse sticks 10 according to the present invention feature astem 14 that has greater stiffness and rigidity than at least thedistal end 23 of thehead frame 26, and more preferably, thestem 14 has greater stiffness than the shooting and receivingportion 58 of thehead frame 26. - With continued reference to
FIGS. 1 and 2 , alacrosse stick 10 that has a continuously formedstem 14 andhead frame 26 is depicted where thestem 14 has greater stiffness than at least thedistal end 23 of thehead frame 26. In some embodiments, thestem 14 has greater rigidity than theentire head frame 26. At least the exterior of thestem 14 andhead frame 26 are preferably made from composite materials, which generally consist of a thermoplastic or thermoset polymer-based resin matrix impregnated with a material, such as a fiber, to reinforce the matrix. Preferred fibers include glass, polymer arimides such as KEVLAR, carbon, boron, or ceramics. A composite may include two or more different types of fibers in a single matrix. - In one embodiment which has a unitary structure, the
lacrosse stick 10 is molded (typically by injection molding) from a plastic material, for example, CAPRON polymer produced by Honeywell Plastics (Morristown, USA). To provide greater stiffness to thestem 14 than thehead frame 26, the composite material used to form thestem 14 can contain a greater concentration of fiber than the material used to form the head frame 26 (which may, particularly toward thedistal end 23, lack fiber altogether), or can contain a reinforcing material providing reduced stiffness. Techniques for varying the composition of a polymer during the course of molding operations are well-understood in the art. In one exemplary embodiment, thestem 14 is formed from CAPRON polymer containing fiberglass (also provided by Honeywell Plastics) while thehead frame 26 has a progressively reduced amount of reinforcing material. - In another embodiment, the
lacrosse stick 10 is manufactured by co-injection molding, where materials are injected sequentially to create a core surrounded by a skin. In this embodiment, the core and skin combination in thehead frame 26 is fabricated to be less rigid than thestem 14. In another embodiment, thelacrosse stick 10 is fabricated through the process of bi-injection molding, where different materials are injected through different gates. Using this technique, the combination of materials injected to form thestem 14 provide greater rigidity than the materials injected to form thehead frame 26. In general, any injection molding process can be used that results in thestem 14 having greater rigidity than thehead frame 26. - In still another embodiment of a continuously formed
stem 14 andhead frame 26, thestem 14 is formed around a metal rod or mandrel, which acts as a stiff backbone for a composite sheath, and which continues in extent to form thehead frame 26. For example, KEVLAR in either unidirectional pre-preg tape, or bidirectional prepreg fabric forms may be used. In this embodiment, a plurality of composite material layers are rolled in a stacked fashion around a mandrel having the desired shape of at least thestem 14. Each of the layers may be similar, or may differ with respect to one or more of the included materials and/or properties. During the fabrication of the laminate, plies of unidirectional tape or fabric plies may be selectively oriented in the direction that provides the curedlacrosse stick 10 with the properties desired. The layers also may be of similar size and shape and stacked one on top of another, or may be of different size and shape. In addition, the stacking of the layers may be performed by using a plurality of pieces of composite material for a layer, or using only a single piece for a layer. The layers of composite materials may also be of any suitable thickness, or thicknesses. The laminate is then cured by heating, for instance in an autoclave, to form the finished product. It will be appreciated that by varying the method of construction of thestem 14 and thehead frame 26,lacrosse sticks 10 with stems 14 having greater stiffness than thehead frame 26 may be fabricated. - In another embodiment, the
stem 14 and thehead frame 26 are mechanically joined, and a composite sheath is formed over thestem 14 andhead frame 26 to define a unitary external structure as depicted inFIGS. 3 and 4 . For example, thestem 14 of thelacrosse stick 10 may be fabricated from aluminum or another lightweight metal, wood, a composite material, etc. Thestem 14 may also be tubular in construction throughout the longitudinal length of thestem 14 to reduce weight. Thestem 14 may further have a circular, rectangular, octagonal or any other cross section desirable. Thehead frame 26 in this embodiment is preferably fabricated from a composite material that has a reduced stiffness is comparison to thestem 14 of thelacrosse stick 10. Thestem 14 is then coupled to thehead frame 26 by any suitable means. For example, thestem 14 may be attached to thehead frame 26 by an adhesive bonding. Alternatively, the head portion may have a shape that facilitates attachment to the stem. For instance, as shown inFIGS. 3 and 4 , thehead frame 26 may terminate in aplug 60 that is received in asocket 64 formed within thedistal end 68 of thestem 14, so that when so joined, the outer surface of thestem 14 is substantially flush with theouter surface 76 of thehead frame 26. After the head frame 26 (which may be made, for example, from a flexible plastic such as polyethylene or copolymers of polypropylene) is attached to thestem 14, a sheath, for example, fabricated from a composite material like KEVLAR is layered onto thehead frame 26 andstem 14 and cured to produce alacrosse stick 10 with a unitary external structure. In another embodiment, a sheath covering made from a polymer, such as polyethylene, covers thehead frame 26 and stem 14 portions so as to define a unitary structure. - Having described certain embodiments of the invention, it will be apparent to those of ordinary skill in the art that other embodiments incorporating the concepts disclosed herein may be used without departing from the spirit and scope of the invention. The described embodiments are to be considered in all respects as only illustrative and not restrictive.
Claims (15)
1. A lacrosse stick comprising:
a. a head portion comprising a head frame for receiving a mesh thereon, at least a distal end of the head frame being flexible; and
b. a rigid, elongated stem portion extending from a proximal end of the head frame, the stem and head frame sharing at least a common continuous exterior material so as to define a unitary structure.
2. The lacrosse stick of claim 1 , wherein the head frame and stem are mechanically joined, the stick comprising a continuous sheath covering the head frame and stem so as to define a unitary external structure.
3. The lacrosse stick of claim 2 , wherein the sheath comprises a polymer.
4. The lacrosse stick of claim 2 , wherein the sheath comprises a composite material.
5. The lacrosse stick of claim 1 , wherein the head frame and stem are integrally continuous portions of a single mechanical structure.
6. The lacrosse stick of claim 5 , wherein the head frame and stem are integrally fabricated by injection molding.
7. The lacrosse stick of claim 1 , wherein the head frame contains a progressively reduced amount of reinforcing material.
8. The lacrosse stick of claim 6 , wherein a combination of materials injected to form the stem provide greater rigidity than materials injected to form the head frame.
9. The lacrosse stick of claim 1 , wherein the stem is formed around a tubular metal mandrel.
10. The lacrosse stick of claim 2 , wherein the stem is fabricated from aluminum, a light weight metal, wood, or a composite material.
11. The lacrosse stick of claim 2 , wherein at least a portion of the head frame is fabricated from a flexible plastic.
12. The lacrosse stick of claim 1 , wherein the entire head frame has greater flexibility than at least a portion of the stem.
13. The lacrosse stick of claim 1 , wherein the distal end of the head frame is angled such that an upper rim of the head frame protrudes distally of a lower rim of the head frame.
14. The lacrosse stick of claim 1 , wherein the stem and head frame comprise composite materials.
15. The lacrosse stick of claim 14 , wherein the composite materials comprise glass, polymer, arimides, carbon, boron, or ceramics.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/645,969 US20050043123A1 (en) | 2003-08-22 | 2003-08-22 | Lacrosse stick |
PCT/US2004/026712 WO2005021110A1 (en) | 2003-08-22 | 2004-08-17 | Lacrosse stick |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/645,969 US20050043123A1 (en) | 2003-08-22 | 2003-08-22 | Lacrosse stick |
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US20050043123A1 true US20050043123A1 (en) | 2005-02-24 |
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US10/645,969 Abandoned US20050043123A1 (en) | 2003-08-22 | 2003-08-22 | Lacrosse stick |
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WO (1) | WO2005021110A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060070198A1 (en) * | 2004-10-06 | 2006-04-06 | Deroma Flavio | Broom with a flexible neck |
US20060156499A1 (en) * | 2005-01-18 | 2006-07-20 | Deroma Flavio | Broom with a flexible neck |
US20090298623A1 (en) * | 2008-05-29 | 2009-12-03 | Warrior Sports, Inc. | Lacrosse head having a ball stop |
USD629855S1 (en) | 2009-10-01 | 2010-12-28 | Reebok International, Ltd. | Lacrosse stick |
US20110124446A1 (en) * | 2009-11-23 | 2011-05-26 | Entrotech Composites, Llc | Reinforced Objects |
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-
2003
- 2003-08-22 US US10/645,969 patent/US20050043123A1/en not_active Abandoned
-
2004
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Cited By (17)
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US20060070198A1 (en) * | 2004-10-06 | 2006-04-06 | Deroma Flavio | Broom with a flexible neck |
US20060156499A1 (en) * | 2005-01-18 | 2006-07-20 | Deroma Flavio | Broom with a flexible neck |
US8021250B2 (en) | 2008-05-29 | 2011-09-20 | Warrior Sports, Inc. | Lacrosse head having a ball stop |
US20110136600A1 (en) * | 2008-05-29 | 2011-06-09 | Warrior Sports, Inc. | Lacrosse head having a ball stop |
US7905801B2 (en) * | 2008-05-29 | 2011-03-15 | Warrior Sports, Inc. | Lacrosse head having a ball stop |
US20090298623A1 (en) * | 2008-05-29 | 2009-12-03 | Warrior Sports, Inc. | Lacrosse head having a ball stop |
USD692075S1 (en) | 2009-10-01 | 2013-10-22 | Reebok International Limited | Lacrosse stick |
USD671999S1 (en) | 2009-10-01 | 2012-12-04 | Reebok International Limited | Lacrosse stick |
USD629855S1 (en) | 2009-10-01 | 2010-12-28 | Reebok International, Ltd. | Lacrosse stick |
US20110124446A1 (en) * | 2009-11-23 | 2011-05-26 | Entrotech Composites, Llc | Reinforced Objects |
US8747261B2 (en) * | 2009-11-23 | 2014-06-10 | Entrotech Composites, Llc | Reinforced objects |
US20110218060A1 (en) * | 2010-03-05 | 2011-09-08 | Reebok International Ltd. | Lacrosse Head And Stick |
US8267813B2 (en) | 2010-03-05 | 2012-09-18 | Reebok International Limited | Lacrosse head and stick |
US8852035B2 (en) | 2010-03-05 | 2014-10-07 | Reebok International Limited | Lacrosse head and stick |
US20130012342A1 (en) * | 2010-08-19 | 2013-01-10 | Rotanz Thomas H | Universal weighted lacrosse training handle |
USD756472S1 (en) | 2015-03-02 | 2016-05-17 | Matthew Daniel Romo-Nichols | Lacrosse head shield |
US11351428B2 (en) | 2019-05-23 | 2022-06-07 | W.m. T. Burnett IP, LLC | Lacrosse head with enhanced pocket channel and sweet spot |
Also Published As
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WO2005021110A1 (en) | 2005-03-10 |
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