US20060080842A1 - Safety cutter with triple locking slider - Google Patents
Safety cutter with triple locking slider Download PDFInfo
- Publication number
- US20060080842A1 US20060080842A1 US10/966,733 US96673304A US2006080842A1 US 20060080842 A1 US20060080842 A1 US 20060080842A1 US 96673304 A US96673304 A US 96673304A US 2006080842 A1 US2006080842 A1 US 2006080842A1
- Authority
- US
- United States
- Prior art keywords
- housing
- cutter apparatus
- blade carrier
- channel
- shaped
- Prior art date
- 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.)
- Abandoned
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
- B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
- B26B5/003—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use comprising retraction means for the blade or the blade holder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
- B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
Abstract
Description
- The application is related to U.S. patent application Ser. No. 29/212602 entitled “Safety Cutter Handle” filed on Sep. 3, 2004.
- The invention relates generally to cutters and, in particular, to a safety cutter with a triple locking slider mechanism.
- A variety of cutting devices with retractable blades are known. However, many such devices include cumbersome mechanisms for extending a blade toward and/or retracting a blade from a cutting position. Additionally, cutting devices with retractable blades are often designed such that user intervention is required to retract the blade, thus resulting in a potential safety hazard. It would be useful to be able to provide a cutter which addresses one or more of the above concerns.
-
FIG. 1 is a perspective view of an example safety cutter with a triple locking slider mechanism; -
FIG. 2 is a perspective view of the safety cutter ofFIG. 1 shown operatively engaged with a clip holster, -
FIGS. 3A and 3B are front and side views, respectively, of the clip holster ofFIG. 2 ; -
FIGS. 4 and 5 are cross-sectional side views of the safety cutter ofFIG. 1 shown in a blade forward position and in a blade retracted position, respectively; -
FIGS. 6A and 6B are front and perspective views, respectively, the safety cutter ofFIG. 1 shown in an opened position; and -
FIGS. 7A and 7B are perspective and side views, respectively, of a blade carrier of the safety cutter ofFIG. 1 . - Referring to
FIGS. 1, 4 , 5, 6A and 6B, anexample cutter apparatus 100 includes ahousing 102, ablade carrier 104, and a mechanism for biasing theblade carrier 104 toward a retracted position away from adistal end 105 of the housing. In this example embodiment, and referring also toFIGS. 7A and 7B , theblade carrier 104 is a “triple locking slider” which includes a topengaging portion 106, a leftengaging portion 108, and a rightengaging portion 110 formed as shown. Thehousing 102 includes achannel 112 andopenings channel 112. In an example embodiment, theopenings distal end 105 of the housing. Theblade carrier 104 is sized to fit within and slide along thechannel 112 with its top, left and rightengaging portions openings housing 102 and theblade carrier 104 are shaped such that a cutting force (represented by arrow 119) applied to the housing when the blade carrier is in an extended position causes atop edge 120 of the blade carrier to come into contact with the housing frictionally locking the blade carrier in the extended position until the cutting force is removed. More specifically, when a counterforce (represented by arrow 121) is applied to a blade which is secured to theblade carrier 104, thetop edge 120 of the blade carrier is forced against the housing. Adjacent to thedistal end 105 of thehousing 102, aportion 122 of thechannel 112 is complementary in shape to thetop edge 120 of theblade carrier 104, which facilitates the friction locking described above. - In an example embodiment, a cutter apparatus includes a housing (e.g., sized to be hand-held) and a blade carrier. The housing includes a channel and openings adjacent to the channel at three different sides of the housing. The blade carrier is sized to fit within and slide along the channel, and includes three engaging portions that extend from the openings such that a force bearing upon any of the portions can cause the blade carrier to slide along the channel.
- In the example embodiment described herein, the
blade carrier 104 is configured to secure ablade 124 to thecutter apparatus 100 such that acutting edge 126 of the blade faces abottom side 128 of the housing, and the threeengaging portions top side 130, aleft side 132, and aright side 134 of the housing, respectively. One or more of theengaging portions - The
blade carrier 104 can include one or more surfaces that are complementary to theblade 124. In the example embodiment described herein, theblade carrier 104 includescomplementary surfaces blade 124 from sliding over the blade carrier. In this example embodiment, theblade carrier 104 also includes atab member 148 under which theblade 124 is fitted. Thetab member 148, in conjunction withrails housing 102, prevents theblade 124 from falling away from theblade carrier 104 when the housing is assembled. In this example embodiment, theblade carrier 104 also includes a detent 154, and the mechanism for biasing theblade carrier 104 is aspring 156 which mechanically couples the blade carrier (at the detent 154) to a back portion 158 (e.g., a post) of the housing. - In an example embodiment, the
housing 102 includes twohousing portions housing portions pin 164 is inserted to effect a pivotal interconnection. In this example embodiment, thehousing portion 162 includes anindented portion 166 sized to receivespare blades 168, and thehousing portion 160 is provided with aspring 170 which is compressed between thehousing portion 160 and anedge 172 of theindented portion 166. - The
cutter apparatus 100 further includes a mechanism for securing thehousing portions housing portion 162 includes a threadedchannel 174, and the mechanism for securing includes ascrew 176 with a threadedsurface 178 complementary to the threadedchannel 174. By way of example, thescrew 176 includes ahead 180 with aperimeter portion 182 that can be rotated by a user of the cutting apparatus, but which is also inset within arecess 183 formed in thehousing portion 160. Thus, in this example, thescrew 176 is fitted through anopening 184 in thehousing portion 160 and rotated into the threadedchannel 174 to secure thehousing portions screw 176 is loosened and removed, a force exerted by thespring 170 pushes thehousing portions surface 178 is formed within apost member 186, which also serves as a stop for theblade carrier 104 when the blade carrier is pulled by thespring 156 to its retracted position. In this example embodiment, thehousing portions outer surface portions 188. - In this example embodiment, the
perimeter portion 182 of thescrew 176 is shaped (with ridges) for gripping the screw. Thehead 180 of thescrew 176 can be shaped to include an ornamental design. In this example embodiment, the design is that of a tire on a rim. It should be appreciated, however, that other designs and appearances for the securing mechanism can be used. - In an example embodiment, a cutter apparatus includes a housing with two hand-grip portions that are shaped to be interfitted together, and a blade carrier. The housing includes a channel and openings facing the channel at three different locations around the housing. The blade carrier is sized to fit within and slide along the channel, and includes three engaging portions that extend from the openings such that a sufficient force bearing upon any of the three engaging portions causes the blade carrier to slide along the channel.
- In another example embodiment, a cutter apparatus includes a housing with two separable handle portions that define a channel within the housing, and a blade carrier. The housing includes openings facing the channel at top, left and right sides of the housing. The blade carrier is sized to fit within and slide along the channel, and includes three engaging portions that extend from the openings such that a sufficient force bearing upon any of the three engaging portions causes the blade carrier to slide along the channel.
- Referring to
FIGS. 2, 3A and 3B, in various embodiments, thecutter apparatus 100 further includes aclip holster 200 sized to receive thehousing 102 therein. In this example embodiment, a flexible clamp 202 (e.g., made of metal) is sized and configured to “snap fit” about thehousing 102. In this example embodiment, theclip holster 200 also includes aclip member 204 which is secured (e.g., riveted) to theflexible clamp 202. In this example embodiment, theclip member 204 is sized for securing to a belt or similar object. - Although the present invention has been described in terms of the example embodiments above, numerous modifications and/or additions to the above-described embodiments would be readily apparent to one skilled in the art. It is intended that the scope of the present invention extend to all such modifications and/or additions.
Claims (53)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/966,733 US20060080842A1 (en) | 2004-10-15 | 2004-10-15 | Safety cutter with triple locking slider |
US11/556,599 US8857064B2 (en) | 2004-10-15 | 2006-11-03 | Safety cutter apparatus |
US14/513,885 US9452540B2 (en) | 2004-10-15 | 2014-10-14 | Safety cutter apparatus and system |
US15/277,932 US10421201B2 (en) | 2004-10-15 | 2016-09-27 | Safety cutter apparatus and system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/966,733 US20060080842A1 (en) | 2004-10-15 | 2004-10-15 | Safety cutter with triple locking slider |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/247,764 Continuation-In-Part USD542029S1 (en) | 2004-10-15 | 2006-07-10 | Holster for safety cutter |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/556,599 Continuation-In-Part US8857064B2 (en) | 2004-10-15 | 2006-11-03 | Safety cutter apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060080842A1 true US20060080842A1 (en) | 2006-04-20 |
Family
ID=36179219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/966,733 Abandoned US20060080842A1 (en) | 2004-10-15 | 2004-10-15 | Safety cutter with triple locking slider |
Country Status (1)
Country | Link |
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US (1) | US20060080842A1 (en) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060150423A1 (en) * | 2003-02-18 | 2006-07-13 | Michael Dunn-Rankin | Adjustable blade utility knife |
US7155829B1 (en) * | 2005-10-04 | 2007-01-02 | Fu-Cheng Sun | Art design knife |
US20070068003A1 (en) * | 2004-10-15 | 2007-03-29 | Schmidt G G | Safety Cutter Apparatus and System |
US20080083119A1 (en) * | 2006-10-09 | 2008-04-10 | Schmidt G Gerry | Utility Knife |
US20090094840A1 (en) * | 2007-10-14 | 2009-04-16 | Glen Kanemoto | Safety Cutter Apparatus |
WO2009134804A1 (en) * | 2008-04-29 | 2009-11-05 | Pacific Handy Cutter, Inc. | Spring back safety and film cutter |
US20100037466A1 (en) * | 2008-08-15 | 2010-02-18 | The Stanley Works | Utility knife with blade lock |
US8006389B2 (en) | 2007-05-21 | 2011-08-30 | Pacific Handy Cutter, Inc. | Pocket safety cutter |
EP2409817A1 (en) * | 2010-07-19 | 2012-01-25 | Stanley Black & Decker, Inc. | Utility knife and fastener thereof |
US20120042522A1 (en) * | 2010-08-17 | 2012-02-23 | Irwin Industrial Tool Company | Utility Knife |
US20120102756A1 (en) * | 2008-04-29 | 2012-05-03 | Garavaglia Joseph P | Safety Cutter with Blade Depth Selector/Interlock Mechanism |
US20120279071A1 (en) * | 2009-02-26 | 2012-11-08 | Joe Garavaglia | Utility Knife |
US20130061479A1 (en) * | 2011-09-08 | 2013-03-14 | Joseph L. Lutgen | Safety Cutter with Improved Blade Storage Mechanism |
US20140053408A1 (en) * | 2011-06-15 | 2014-02-27 | Chun-Feng Ho | Blade-switchable utility knife |
US20140059864A1 (en) * | 2012-09-04 | 2014-03-06 | Florian SEGLER | Knife |
US20150258696A1 (en) * | 2014-03-12 | 2015-09-17 | Hangzhou Great Star Tools Co., Ltd. | Knife with Replaceable Blade |
US9676106B2 (en) | 2008-04-29 | 2017-06-13 | Pacific Handy Cutter, Inc. | Safety cutter with guard-actuated blade deployment |
US9840013B2 (en) | 2008-04-29 | 2017-12-12 | Pacific Handy Cutter, Inc. | Safety cutter with blade change/storage mechanism |
GB2544605B (en) * | 2015-09-23 | 2020-04-22 | Rovi Guides Inc | Systems and methods to detect events in programming from multiple channels |
US11141870B1 (en) * | 2019-06-22 | 2021-10-12 | Avraham Goldstein | Clips for multi-purpose tools |
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US20040250426A1 (en) * | 2003-05-22 | 2004-12-16 | Martor Kg | Utility knife |
US6832438B1 (en) * | 2001-06-05 | 2004-12-21 | Allway Tools, Inc. | Utility knife with quick release housing |
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US4509260A (en) * | 1983-07-12 | 1985-04-09 | Donald Gringer | Knife handle for accommodating different adjustable blade types |
US4663845A (en) * | 1986-03-05 | 1987-05-12 | Stanley Tools | Utility knife |
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Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060150423A1 (en) * | 2003-02-18 | 2006-07-13 | Michael Dunn-Rankin | Adjustable blade utility knife |
US8857064B2 (en) | 2004-10-15 | 2014-10-14 | Pacific Handy Cutter, Inc. | Safety cutter apparatus |
US20070068003A1 (en) * | 2004-10-15 | 2007-03-29 | Schmidt G G | Safety Cutter Apparatus and System |
US7155829B1 (en) * | 2005-10-04 | 2007-01-02 | Fu-Cheng Sun | Art design knife |
US7774942B2 (en) | 2006-10-09 | 2010-08-17 | Pacific Handy Cutter, Inc. | Utility knife |
US8234790B2 (en) | 2006-10-09 | 2012-08-07 | Pacific Handy Cutter, Inc. | Utility knife |
US20080083119A1 (en) * | 2006-10-09 | 2008-04-10 | Schmidt G Gerry | Utility Knife |
WO2008058038A3 (en) * | 2006-11-03 | 2009-04-09 | Pacific Handy Cutter Inc | Safety cutter apparatus and system |
WO2008058038A2 (en) * | 2006-11-03 | 2008-05-15 | Pacific Handy Cutter, Inc. | Safety cutter apparatus and system |
US9539733B2 (en) | 2007-05-21 | 2017-01-10 | Pacific Handy Cutter, Inc. | Pocket safety cutter |
US8006389B2 (en) | 2007-05-21 | 2011-08-30 | Pacific Handy Cutter, Inc. | Pocket safety cutter |
US20090094840A1 (en) * | 2007-10-14 | 2009-04-16 | Glen Kanemoto | Safety Cutter Apparatus |
US7987602B2 (en) | 2007-10-14 | 2011-08-02 | Pacific Handy Cutter, Inc. | Safety cutter apparatus |
US10093026B2 (en) * | 2008-04-29 | 2018-10-09 | Pacific Handy Cutter, Inc. | Safety cutter with blade depth selector/interlock mechanism |
US20120102756A1 (en) * | 2008-04-29 | 2012-05-03 | Garavaglia Joseph P | Safety Cutter with Blade Depth Selector/Interlock Mechanism |
WO2009134804A1 (en) * | 2008-04-29 | 2009-11-05 | Pacific Handy Cutter, Inc. | Spring back safety and film cutter |
US9840013B2 (en) | 2008-04-29 | 2017-12-12 | Pacific Handy Cutter, Inc. | Safety cutter with blade change/storage mechanism |
US8069571B2 (en) | 2008-04-29 | 2011-12-06 | Pacific Handy Cutter, Inc. | Spring back safety and film cutter |
US9956695B2 (en) | 2008-04-29 | 2018-05-01 | Pacific Handy Cutter, Inc. | Spring back safety and film cutter |
US9676106B2 (en) | 2008-04-29 | 2017-06-13 | Pacific Handy Cutter, Inc. | Safety cutter with guard-actuated blade deployment |
US8793881B2 (en) | 2008-08-15 | 2014-08-05 | Stanley Black & Decker, Inc. | Utility knife with blade lock |
US20100037466A1 (en) * | 2008-08-15 | 2010-02-18 | The Stanley Works | Utility knife with blade lock |
US20120279071A1 (en) * | 2009-02-26 | 2012-11-08 | Joe Garavaglia | Utility Knife |
US8904649B2 (en) * | 2009-02-26 | 2014-12-09 | Pacific Handy Cutter, Inc. | Utility knife |
EP2409817A1 (en) * | 2010-07-19 | 2012-01-25 | Stanley Black & Decker, Inc. | Utility knife and fastener thereof |
US8539677B2 (en) * | 2010-08-17 | 2013-09-24 | Irwin Industrial Tool Company | Utility knife |
US20120042522A1 (en) * | 2010-08-17 | 2012-02-23 | Irwin Industrial Tool Company | Utility Knife |
US20140053408A1 (en) * | 2011-06-15 | 2014-02-27 | Chun-Feng Ho | Blade-switchable utility knife |
US9149941B2 (en) * | 2011-06-15 | 2015-10-06 | Chun-Feng Ho | Blade-switchable utility knife |
US20130061479A1 (en) * | 2011-09-08 | 2013-03-14 | Joseph L. Lutgen | Safety Cutter with Improved Blade Storage Mechanism |
US9409299B2 (en) * | 2012-09-04 | 2016-08-09 | Martor Kg | Knife |
US20140059864A1 (en) * | 2012-09-04 | 2014-03-06 | Florian SEGLER | Knife |
US9808942B2 (en) * | 2014-03-12 | 2017-11-07 | Hangzhou Great Star Tools Co., Ltd. | Knife with replaceable blade |
US20150258696A1 (en) * | 2014-03-12 | 2015-09-17 | Hangzhou Great Star Tools Co., Ltd. | Knife with Replaceable Blade |
GB2544605B (en) * | 2015-09-23 | 2020-04-22 | Rovi Guides Inc | Systems and methods to detect events in programming from multiple channels |
US11141870B1 (en) * | 2019-06-22 | 2021-10-12 | Avraham Goldstein | Clips for multi-purpose tools |
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