|Publication number||US3053568 A|
|Publication date||11 Sep 1962|
|Filing date||5 Feb 1960|
|Priority date||5 Feb 1960|
|Publication number||US 3053568 A, US 3053568A, US-A-3053568, US3053568 A, US3053568A|
|Original Assignee||Clarence A Silva|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (6), Referenced by (109), Classifications (10)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Sept. 11, 1962 R. MILLER 3,053,568
CHAIR-BED COMBINATION Filed Feb. 5, 1960 2 Sheets-Sheet l /NVE/VTOR RETHA MILLER T a v" A T TOR/V575 P 11, 1962 R. MILLE? 3,053,568
CHAIR-BED COMBINATION Filed Feb. 5, 1960 2 Sheets-Sheet 2 Tiqfi. Q
I/VVE/VTOR RE THA M11. L ER ATTORNEYS United States Patent 3,053,568 CHAIR-BED COMBINATION Retha Miller, Alameda, Califi, assignor of one-half to Clarence A. Silva, Castro Valley, Calif. Filed Feb. 5, 1960, Ser. No. 7,005 2 Claims. (Cl. 297-78) This invention generally relates to apparatus which is capable of being used as a hospital bed or guerny for transporting a patient in a prone position and which is readily convertible into a wheel chair for supporting a patient in a sitting position.
Heretofore, it has been suggested to provide a combination bed and chair apparatus, the general purpose being to facilitate movement of a patient from a conventional hospital bed by first using the bed-chair apparatus in a flat patient-supporting position, similar to a guerny, and subsequently altering the apparatus to support the patient in a seated condition. Transfer of the patient back to the bed is done in the reverse. While such apparatus possesses theoretical advantages, certain shortcomings have prevented their commercial adoption to any substantial extent.
It is accordingly an object of the present invention to provide apparatus capable of supporting a patient in either a reclining or seated position in which means are provided for moving the patient-supporting surface through a large variety of movements thereby greatly facilitating the handling of the patient, including a fore and aft rocking motion.
Another object of the invention is to provide apparatus of the character described in which the patient-supporting surface may be brought into adjacent relation with a bed in selective positions of vertical adjustment, and then tilt-ed so as to aid in the loading or unloading of a patient thereon.
A further object of the invention is to provide apparatus as above defined in which the patient supporting surface is capable of lateral movement relative to the rest of the apparatus so as to properly receive a patient from a bed or place a patient in a bed, and which likewise may be rotated about a generally vertical axis of the apparatus.
A still further object of my invention is to provide apparatus of the type referred to in which the patient supporting surface is flat and unobstructed, yet in which portions of said surface form arm rests, etc. when converted from its flat position to a chair position.
The invention possesses other objects and features of advantage, some of which, with the foregoing, will be set forth in the following description of the preferred form of the invention which is illustrated in the drawings accompanying and forming part of the specification. It is to be understood, however, that variations in the showing made by the said drawings and description may be adopted within the scope of the invention as set forth in the claims.
Referring to said drawings:
FIGURE 1 is a top plan view of the apparatus with the parts shown in their flat position.
FIGURE 2 is a side elevational view of the apparatus when converted to a chair, portions of the base being broken away to illustrate the means for rotating the chair or bed, the position of the chair parts when converted back to the bed as shown in FIGURE 1 being illustrated in dot-dash lines.
FIGURE 3 is a transverse cross-sectional view taken substantially in the plane indicated by line 33 of FIG- URE 2, the bed shown in tilted position by the dot-dash lines.
FIGURE 4 is a cross-sectional view taken substantially in the plane indicated by line 4-4 of FIGURE 3; and
3,053,568 Patented Sept. 11, 1962 illustrating structural details of the bed rotating means, bed rocking means, and further details of the tilting mechanism.
As hereinabove explained, the apparatus of the present invention is adapted for ready conversion between the horizontal flat patient-supporting member shown in FIG- URE l and the chair structure illustrated in FIGURE 2, and while in both of these different positions (particularly the fiat position) be capable of a wide variety of movements. As will be later more fully explained, these movements are of great importance in the proper handling of a patient and particularly when the patient is being transferred from or to the apparatus from a hospital bed. In fact, even without its ability to convert into a wheel chair the apparatus possesses a flexibility not found in conventional guernys or the like.
Referring now to the drawings, a patient supporting mechanism 6 is shown adjustably positioned on a base structure 7. The latter may simply comprise a pair of longitudinally extending rails 8 having at least a center cross brace 9 for securing the rails together. Suitable depending brackets 12 are provided at the ends of the rails to receive wheels 13 for rollably supporting the entire unit. If desired, hand engaging elements may extend upwardly from the rails whereby an attendant may roll the apparatus along the floor, but such an arrangement is generally conventional and forms no part of the present invention.
In order to permit conversion of the mechanism 6 between its two positions of patient support, the same is constructed from a number of planar elements suitably pivoted together in a manner presently to be described. Commencing with the head end of the apparatus, a relatively large planar element 16 is provided which constitutes the back of the chair shown in FIGURE 2 or the head and upper torso supports when positioned flat as viewed in FIGURE 1. wardly offset portions at its forward end in order to receive projections 17 of a central planar seat element 18, such projections being pivotally attached to element 16 by pins 19 or the like. A foot element 21 includes a pair of side pieces 22, a cross bar 23 provided with projections 24 pivotally connected to the forward end of the seat element by pins 26. Additionally, a planar element 27 is pivoted to the sides 22 by pins 28.
Arm members are likewise provided on each side of the apparatus which can be moved from the arm rest position shown in FIGURE 2 to a completely planar position with the back, seat and foot supporting elements 16, 18 and 21. As here shown, each of such members include a first link 31 pivotally attached at one end to back element 16 as shown at 32 and a second link 33 pivotally attached at 34 to link 31 and likewise pivotally attached at 36 to the forward end portion of the seat element 18. Additional linkage is provided on the under side of link 33 and side piece 22 which includes an arm 38 attached to link 33, a like arm 39 fixedly secured to piece 22, the ends of arms 38 and 39 being pivotally interconnected by a link 41 by pins 42 and 43 respectively.
With the foregoing explanation, the ready conversion from a completely planar horizontally disposed patient supporting bed or guerny to a generally conventional chair may be understood.
Novel means are provided for adjustably supporting the mechanism 6 on the base structure 7 in order to permit the previously discussed movements of the bed or chair, and each of such adjustments may now be discussed.
Extending upwardly from the center of cross brace 9 is a vertical post 51 provided with a central well 52. in which a piston 53 is mounted for both vertical and rotary motion. Suitable seals (not shown) may be provided be- Element 16 is provided with intween the walls of well 52 and piston 53 to prevent leakage therebetween. A pair of conduits 54 and 56 communicate with the well beneath the piston 53, and the same are operatively associated with pedal actuators 57 and 58 for effecting hydraulic raising and gravital lowering of the piston in a conventional manner, and likewise effecting a vertical raising and lowering of mechanism 6 which is supported by the pistons. In general, the support of the mechanism is effected through a rotary disk 61 secured to the upper end of the piston, the latter supporting a bracket 62 having upstanding flanges 63 at the ends thereof and a central projection 64. A member 66 includes a pair of depending ears 67 pivotally secured to projection 64 by a pin 68. Member 66 is provided at its ends with depending arcuate segments 69 for a purpose later to be explained, and opposed parallel rails 71 extending parallel to the axis of pivot pin 68. Journalled at 75 between said rails at each end thereof is a pivot element 72 carrying a pair of rods 73 in parallel relation to the rails. A block 70 carried by the lower surface of the seat is provided with a pair of parallel bores 74 for slidably receiving selected pairs of the rods 73.
Completing the structure, the segments 69 are provided with arcuate segment gears 76 which are engaged by pinion gears 77 mounted on a shaft 78 journalled through flanges 63 and projection 64-. Attention is also directed towards disk 61 which is provided with an aperture 81 through which a shaft 82 normally extends in order to prevent disk rotation. The shaft is mounted for vertical reciprocation in lugs 83 carried by post 51 and interconnected through suitable linkage 84 to a crank 86 for effecting shaft movement between disk locking and release position.
With respect to the movement or adjustments, it will be clear that rotary movement about a central vertical axis is effected by rotating piston 53 in the post 51, by lowering the locking detent 82. Since the mechanism 6 is operatively supported on the disk 61 which is secured to the piston, free rotary adjustment of the mechanism is provided.
As to vertical adjustment, a pumping of pedal 57, for example, will create a pressure subjacent the lower end of piston 53 and raise the same, while actuation of pedal 58 releases the pressure in the well, permitting a gravital descent of the piston and the apparatus carried thereby.
A third type of movement, namely a rocking movement about a horizontal transverse axis is accomplished by actuation of a handle 91 of shaft 78, the latter causing the pinions 77 to move the segment gears 76 and consequently member 66 and block 70 and the seat element 18 about the shaft 78.
A further important movement is that of lateral horizontal movement which permits the mechanism 6 to be brought into overlying relation to a bed. As best seen in FIGURE 3 of the drawings, the block 70 has a length no greater than that of one pair of rods 73. When the block is centered, as illustrated in solid lines, the ends of each of the opposed pairs of rods are engaged by the bores in the blocks, and in such position, no pivoting of the elements 72 about pivots 75 is possible. However, by sliding the block to completely embrace one set of rods, the block will no longer be engaged with the other set, and in this latter position, i.e., one of lateral displacement, the element 72, rods 73, block and the supporting mechanism 18 may be tilted about a generally longitudinal axis. This will of course facilitate the transfer of a patient and the tilted movement is illustrated in dotdash lines in a greater than normal degree of tilt for purpose of clarity.
With the foregoing, it will be appreciated that substantially universal movement may he obtained, thereby materially increasing the utility and desirability of this type of apparatus.
What is claimed is:
1. Apparatus of the character described including a generally planar patient-supporting member, a base structure, means operatively supporting said member on said base structure including a post extending upwardly from said base, a vertical element mounted for vertical and rotary movement relative to said post, a bracket support member carried by the upper end of said element, and a bracket depending from said patient supporting member slidably engageable with said last named member whereby said members may be laterally adjusted relative to each other, said bracket supporting member including a pivotal connection interconnecting the same to said element.
2. Apparatus of the character described including a generally planar patient-supporting member, a base struo ture, means operatively supporting said member on said base structure including a post extending upwardly from said base, a vertical element mounted for vertical and rotary movement relative to said post, a bracket support member carried by the upper end of said element, and a bracket depending from said patient supporting member slidably engageable with said last named member whereby said members may be laterally adjusted relative to each other, said bracket supporting member including parallel pivot elements at opposite sides thereof, and said bracket being selectively movable into engagement with one of said elements for tilting movement therewith.
. References Cited in the file of this patent UNITED STATES PATENTS 1,981,271 Koenigkramer Nov. 20, 1934 2,053,852 Tracy Sept. 8, 1936 2,295,006 Philips Sept. 8, 1942 2,587,068 Sanders Feb. 26, 1952 2,672,917 Collura Mar. 23, 1954 2,691,782 West Oct. 19, 1954
|Cited Patent||Filing date||Publication date||Applicant||Title|
|US1981271 *||25 Oct 1932||20 Nov 1934||Frank Koenigkramer||Tractional hospital litter or carriage|
|US2053852 *||11 Feb 1935||8 Sep 1936||Tracy Thomas North||Mechanical chair|
|US2295006 *||4 Mar 1940||8 Sep 1942||Herman B Philips||Invalid support|
|US2587068 *||17 Oct 1947||26 Feb 1952||Lillie K Sanders||Invalid lift and transfer apparatus|
|US2672917 *||19 May 1950||23 Mar 1954||American Optical Corp||Adjustable chair|
|US2691782 *||26 Jun 1952||19 Oct 1954||Richard M West||Patient-carrying vehicle for hospitals|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US3536355 *||24 Jun 1968||27 Oct 1970||Osbeck Gunnar Ingemar Sigvard||Surgical chair or the like|
|US4544202 *||29 Jan 1982||1 Oct 1985||Keaton Tanya L||Semiautomatically actuated rotable lounge chair|
|US4760615 *||24 Dec 1986||2 Aug 1988||Josephine Furniss||Lift for use with patients|
|US5454773 *||4 Jun 1993||3 Oct 1995||Chattanooga Group, Inc.||Muscle exercise and rehabilitation apparatus|
|US5678894 *||8 Apr 1996||21 Oct 1997||Eley; Christopher D.||Dental chair with headrest|
|US5865505 *||9 Apr 1997||2 Feb 1999||Eley; Christopher D.||Method of dental treatment|
|US5996151 *||8 Jan 1998||7 Dec 1999||Stryker Corporation||Balanced fowler design|
|US6089593 *||10 Feb 1997||18 Jul 2000||Hill-Rom, Inc.||Ambulatory care chair|
|US6154899 *||19 Oct 1998||5 Dec 2000||Hill-Rom, Inc.||Resident transfer chair|
|US6185769||18 Oct 1999||13 Feb 2001||Hill-Rom, Inc.||Resident transfer chair|
|US6212714||22 Jul 1998||10 Apr 2001||Hill-Rom, Inc.||Hospital bed and mattress having a retracting foot section|
|US6315319||10 Apr 2000||13 Nov 2001||Hill-Rom Services, Inc.||Ambulatory care chair|
|US6336235||5 Sep 2000||8 Jan 2002||Hill-Rom Services, Inc.||Chair bed|
|US6375355||9 Mar 2000||23 Apr 2002||Joseph Fortin||Moveable table|
|US6427264||17 Mar 2000||6 Aug 2002||Hill-Rom Services, Inc.||Gap filler for bed|
|US6496993||5 Jan 2001||24 Dec 2002||Hill-Rom Services, Inc.||Hospital bed and mattress having a retracting foot section|
|US6565112||26 Sep 2001||20 May 2003||Hill-Rom Services, Inc.||Ambulatory care chair|
|US6611979||29 Dec 2000||2 Sep 2003||Hill-Rom Services, Inc.||Mattress having a retractable foot section|
|US6684427||20 Dec 2002||3 Feb 2004||Hill-Rom Services, Inc.||Hospital bed and matress having a retractable foot section|
|US6691346||29 Dec 2000||17 Feb 2004||Hill-Rom Services, Inc.||Foot controls for a bed|
|US6694549||20 Apr 2001||24 Feb 2004||Hill-Rom Services, Inc.||Bed frame with reduced-shear pivot|
|US6704954||3 Jul 2002||16 Mar 2004||Hill-Rom Services, Inc.||Gap filler for bed|
|US6726279||13 Sep 2000||27 Apr 2004||Hill-Rom Services, Inc.||Hydraulic controls for ambulatory care chair|
|US6739006||25 Jan 2002||25 May 2004||Hill-Rom Services, Inc.||Head section support for a surgical table apparatus|
|US6754923||25 Jan 2002||29 Jun 2004||Hill-Rom Services, Inc.||Leg section support for a surgical table|
|US6820293||26 Sep 2002||23 Nov 2004||Hill-Rom Services, Inc.||Bed siderail pad apparatus|
|US6846042||19 Sep 2002||25 Jan 2005||Hill-Rom Services, Inc.||Ambulatory care chair|
|US6880189||26 Aug 2003||19 Apr 2005||Hill-Rom Services, Inc.||Patient support|
|US6928673||25 Jul 2003||16 Aug 2005||Hill-Rom Services, Inc.||Siderail pad for hospital bed|
|US6978500||18 Dec 2003||27 Dec 2005||Hill-Rom Services, Inc.||Foot controls for a bed|
|US7000272||3 Feb 2004||21 Feb 2006||Hill-Rom Services, Inc.||Hospital bed and mattress having a retractable foot section|
|US7017208||20 Dec 2001||28 Mar 2006||Hill-Rom Services, Inc.||Hospital bed|
|US7028352||22 Aug 2002||18 Apr 2006||Hill-Rom Services, Inc.||Apparatus and method for closing hospital bed gaps|
|US7073220||26 Mar 2004||11 Jul 2006||Hill-Rom Services, Inc.||Bed siderail having a latch|
|US7100222||2 Jul 2004||5 Sep 2006||Hill-Rom Services, Inc.||Apparatus and method for mounting hospital bed accessories|
|US7107636||16 Mar 2004||19 Sep 2006||Hill-Rom Services, Inc.||Gap filler for bed|
|US7171708||23 Nov 2005||6 Feb 2007||Hill-Rom Services, Inc.||Foot controls for a bed|
|US7182404 *||30 May 2003||27 Feb 2007||Societe Industrielle Et Commerciale De Materiel Aeronautique||Seat which can be converted into a couchette with a deformable armrest|
|US7213279||30 Mar 2006||8 May 2007||Weismiller Matthew W||Hospital bed and mattress having extendable foot section|
|US7216384||22 Dec 2005||15 May 2007||Hill-Rom Services, Inc.||Hospital bed and mattress having a retractable foot section|
|US7222377||31 Mar 2005||29 May 2007||Hill-Rom Services, Inc.||Apparatus and method for closing hospital bed gaps|
|US7237287||13 Feb 2006||3 Jul 2007||Hill-Rom Services, Inc.||Patient care bed with network|
|US7293305||28 Aug 2006||13 Nov 2007||Hill-Rom Services, Inc.||Apparatus and method for mounting hospital bed accessories|
|US7296312||8 Sep 2003||20 Nov 2007||Hill-Rom Services, Inc.||Hospital bed|
|US7406731||30 Mar 2006||5 Aug 2008||Holl-Rom Services, Inc.||Hospital bed|
|US7480951||13 Apr 2007||27 Jan 2009||Hill-Rom Services, Inc.||Patient care bed with network|
|US7506390||28 Sep 2007||24 Mar 2009||Hill-Rom Services, Inc.||Patient support apparatus having controller area network|
|US7520006||30 Mar 2006||21 Apr 2009||Hill-Rom Services, Inc.||Hospital bed including moveable foot portion|
|US7523515||13 Apr 2007||28 Apr 2009||Hill-Rom Services, Inc.||Hospital bed and mattress having a retractable foot section|
|US7568246||21 May 2007||4 Aug 2009||Hill-Rom Services, Inc.||Bed with a networked alarm|
|US7591034||12 Apr 2007||22 Sep 2009||Hill-Rom Services, Inc.||Apparatus and method for closing hospital bed gaps|
|US7669263||30 Mar 2006||2 Mar 2010||Hill-Rom Services, Inc.||Mattress assembly including adjustable length foot|
|US7703158||28 Sep 2007||27 Apr 2010||Hill-Rom Services, Inc.||Patient support apparatus having a diagnostic system|
|US7784128||9 Jan 2009||31 Aug 2010||Hill-Rom Services, Inc.||Hospital bed|
|US7788747||21 Sep 2009||7 Sep 2010||Hill-Rom Services, Inc.||Apparatus and method for closing hospital bed gaps|
|US7788748||5 Apr 2006||7 Sep 2010||Piedmont Global Solutions, Inc.||Hospital beds with a rotating sleep surface that can translate into a chair configuration|
|US7904978||30 Jul 2010||15 Mar 2011||Piedmont Global Solutions, Inc.||Hospital beds with a rotating sleep surface that can translate into a chair configuration|
|US7917978||2 Mar 2005||5 Apr 2011||Hill-Rom Services, Inc.||Variable height siderail for a bed|
|US7930778||7 Dec 2007||26 Apr 2011||Hill-Rom Services, Inc.||Pinch-preventing unit for bed guardrail|
|US7934276||7 Feb 2007||3 May 2011||Hill-Rom Services, Inc.||End panel for a patient-support apparatus|
|US7979931||29 Jul 2010||19 Jul 2011||Piedmont Global Solutions, Inc.||Hospital beds with a rotating sleep surface that can translate into a chair configuration|
|US8065764||20 Aug 2010||29 Nov 2011||Hill-Rom Services, Inc.||Hospital bed|
|US8091162||4 Aug 2010||10 Jan 2012||Piedmont Global Solutions, Inc.||Arm rail mechanisms for hospital beds|
|US8104122||18 Dec 2006||31 Jan 2012||Hill-Rom Services, Inc.||Patient support having an extendable foot section|
|US8127380||22 Feb 2011||6 Mar 2012||Piedmont Global Solutions, Inc.||Hospital beds with a rotating sleep surface that can translate into a chair configuration|
|US8239986||13 Mar 2009||14 Aug 2012||Hill-Rom Services, Inc.||Siderail assembly for a patient-support apparatus|
|US8286282||11 Nov 2011||16 Oct 2012||Hill-Rom Services, Inc.||Bed frame and mattress synchronous control|
|US8327479||2 Dec 2011||11 Dec 2012||Piedmont Global Solutions, Inc.||Steering mechanisms for hospital beds|
|US8341778||23 Jan 2012||1 Jan 2013||Hill-Rom Services, Inc.||Bed gap filler and footboard pad|
|US8413274||28 Nov 2011||9 Apr 2013||Hill-Rom Services, Inc.||Hospital bed|
|US8438680||9 Nov 2012||14 May 2013||Piedmont 361, Llc||Hospital beds with four corner braking|
|US8495774||11 Sep 2009||30 Jul 2013||Piedmont 361, Llc||Hospital chair beds with articulating foot sections|
|US8635725 *||28 Oct 2009||28 Jan 2014||Tony Y. Tannoury||Prone and laterally angled surgical device and method|
|US8887329||2 Jul 2013||18 Nov 2014||Piedmont 361, Llc||Methods of translating hospital chair beds with articulating foot sections|
|US9009893||15 Mar 2012||21 Apr 2015||Hill-Rom Services, Inc.||Hospital bed|
|US9060619||10 Feb 2014||23 Jun 2015||Hill-Rom Services, Inc.||Variable height siderail|
|US9089459||13 Nov 2014||28 Jul 2015||Völker GmbH||Person support apparatus|
|US9265677||3 Dec 2010||23 Feb 2016||Piedmont 361, Llc||Hospital chair beds with stowable stand-assist supports|
|US20040004383 *||30 May 2003||8 Jan 2004||Ligonniere Laurent||Seat which can be converted into a couchette with a deformable armrest|
|US20040020708 *||29 Mar 2001||5 Feb 2004||Szabela William A.||Electric steering apparatus|
|US20040034936 *||26 Aug 2003||26 Feb 2004||Hill-Rom Services, Inc.||Patient support|
|US20040128765 *||18 Dec 2003||8 Jul 2004||Hill-Rom Services, Inc.||Foot controls for a bed|
|US20040158923 *||19 Feb 2004||19 Aug 2004||Hill-Rom Services, Inc.||Patient support having a siderail|
|US20040221391 *||3 Feb 2004||11 Nov 2004||Allen E. David||Hospital bed and matress having a retractable foot section|
|US20050071921 *||25 Jul 2003||7 Apr 2005||Hill-Rom Services, Inc.||Siderail pad for hospital bed|
|US20060096030 *||22 Dec 2005||11 May 2006||Allen E D||Hospital bed and mattress having a retractable foot section|
|US20060150332 *||13 Feb 2006||13 Jul 2006||Weismiller Matthew W||Patient care bed with network|
|US20060168729 *||30 Mar 2006||3 Aug 2006||Weismiller Matthew W||Hospital bed and mattress having extendable foot section|
|US20070017029 *||5 Apr 2006||25 Jan 2007||Wurdeman Byron W||Hospital beds with a rotating sleep surface that can translate into a chair configuration|
|US20070180618 *||13 Apr 2007||9 Aug 2007||Weismiller Matthew W||Patient care bed with network|
|US20070180624 *||7 Feb 2007||9 Aug 2007||Hill-Rom Services, Inc.||End panel for a patient-support apparatus|
|US20080052831 *||21 May 2007||6 Mar 2008||Weismiller Matthew W||Bed with a networked alarm|
|US20080201847 *||28 Sep 2007||28 Aug 2008||Menkedick Douglas J||Patient support apparatus having a diagnostic system|
|US20090151073 *||9 Jan 2009||18 Jun 2009||Kramer Kenneth L||Hospital bed|
|US20090229051 *||13 Mar 2009||17 Sep 2009||Hill-Rom Services, Inc.||Siderail assembly for a patient-support apparatus|
|US20100192300 *||28 Oct 2009||5 Aug 2010||Tannoury Tony Y||Prone and laterally angled surgical device and method|
|US20100275371 *||30 Apr 2009||4 Nov 2010||Turner Jonathan D||Transfer assist apparatus|
|US20100287705 *||30 Jul 2010||18 Nov 2010||Byron Wade Wurdeman||Hospital beds with a rotating sleep surface that can translate into a chair configuration|
|US20100293718 *||29 Jul 2010||25 Nov 2010||Byron Wade Wurdeman||Hospital beds with a rotating sleep surface that can translate into a chair configuration|
|US20100306921 *||20 Aug 2010||9 Dec 2010||Kramer Kenneth L||Hospital bed|
|US20100313355 *||4 Aug 2010||16 Dec 2010||Byron Wade Wurdeman||Arm rail mechanisms for hospital beds|
|US20110138537 *||22 Feb 2011||16 Jun 2011||Byron Wade Wurdeman||Hospital beds with a rotating sleep surface that can translate into a chair configuration|
|US20140364781 *||22 Aug 2014||11 Dec 2014||Family Inada Co., Ltd.||Chair type massage machine|
|US20150082539 *||18 Sep 2014||26 Mar 2015||Lerado (Zhong Shan) Industrial Co., Ltd.||Multi-use convertible frame for a baby carrier|
|USRE43155 *||6 Aug 2009||7 Feb 2012||Hill-Rom Services, Inc.||Hospital bed and mattress having a retractable foot section|
|USRE43532||3 Jun 2009||24 Jul 2012||Hill-Rom Services, Inc.||Hospital bed|
|WO1984002647A1 *||14 Jan 1983||19 Jul 1984||Lemercier Daniel||Foldable wheeled chair|
|WO2007082667A1 *||11 Jan 2007||26 Jul 2007||Elmarflötotto Gmbh||Furniture for sitting and lying on|
|WO2012131333A2||22 Mar 2012||4 Oct 2012||Daniel Sebastian Chadwick||Oven for baking bread products|
|U.S. Classification||297/78, 5/613, 5/607, 297/344.24, 601/24, 5/610|
|Cooperative Classification||A61G5/1075, A61G5/006|