USRE34194E - Universal handle for hand-held implement - Google Patents
Universal handle for hand-held implement Download PDFInfo
- Publication number
- USRE34194E USRE34194E US07/710,466 US71046691A USRE34194E US RE34194 E USRE34194 E US RE34194E US 71046691 A US71046691 A US 71046691A US RE34194 E USRE34194 E US RE34194E
- Authority
- US
- United States
- Prior art keywords
- handle
- grip
- hand
- shank
- implement
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20732—Handles
- Y10T74/2078—Handle bars
- Y10T74/20828—Handholds and grips
Definitions
- This invention relates generally to household and other hand-held implements which to be used effectively must be securely grasped by the user, and more particularly to a universal handle applicable to such implements to ergonomically render them usable by individuals who, because of physical or other disabilities have difficulty in firmly grasping a conventional implement handle.
- Human factors engineering or ergonomics is an applied science that deals with the interaction between machines or tools and their users, taking into the account the capabilities or limitations of these individuals. It seeks to insure that the nature of the tool or machine is such that is effectively matched to the physical and cognitive abilities of the user to manipulate it.
- the main object of this invention is to provide a universal handle that is ergonomically adapted to render hand-held implements usable by individuals who are incapable of firmly grasping a conventional handle.
- a significant feature of a handle in accordance with the invention is that it is relatively stocky, so that a user who has difficulty in making a tight fist can make enough of a fist in clenching the handle with his fingers to firmly engage the handle. Also an advantage of the handle, which is fabricated of elastomeric material, is that is has both cushioning and thermal insulation properties, thereby minimizing any pain that may be experienced in grasping the handle and at the same time thermally isolating the hand of the user from the implement.
- an object of this invention is to provide a universal handle having an elliptical cross section to create a stocky handle form that conforms to the internal region of the user's fist when the fingers of the hand are clenched about the handle, whereby the handle can be securely gripped.
- an object of the invention is to provide an elastomeric handle of the above type having depressible grip sites that are engaged by the thumb and forefinger of the user's hand to enhance the gripping action.
- Still another object of the invention is to provide a universal handle that may be mass produced at relatively low cost.
- a universal handle for household and other hand-held implements the handle being adapted to ergonomically render the implement to which it is applied usable by individuals who have difficulty in firmly grasping a conventional handle.
- the universal handle which is fabricated of elastomeric material having good thermal insulation and cushioning properties, includes an internal cavity to socket the core shank of the implement.
- the handle has an elliptical cross section, the opposing sides of the handle adjacent its upper end each having a concave depression, in each of which an array of spaced, flexible fins is anchored to define a depressible grip site.
- the internal region of the resultant fist conforms to the form of the handle to provide a good grip thereon, the thumb and forefinger pressing into the grip sites to enhance the user's grip on the handle.
- FIG. 1 is a side view of an implement serving as a pot brush, the implement including a universal handle in accordance with the invention
- FIG. 2 is a bottom view of this implement:
- FIG. 3 separately shows the core shank of the implement which is socketed in the universal handle
- FIG. 4 is an end view of the handle which has an elliptical cross section having a long and a short axis:
- FIG. 5 is a longitudinal section taken through the long axis of the handle
- FIG. 6 is a longitudinal section taken through the short arc of the handle
- FIG. 7 illustrates how the handle is grasped by a user
- FIG. 8 is a side view of a spatual provided with a universal handle in accordance with the invention.
- FIG. 9 is a top view of the spatual
- FIG. 10 is a side view of a spoon provided with a universal handle according to the invention.
- FIG. 11 is a top view of the spoon
- FIG. 12 shows a modified core shank in accordance with the invention for an implement
- FIG. 13 shows a modified handle in accordance with the invention which complements the core shank shown in FIG. 12.
- a universal handle in accordance with the invention is applicable to any hand-held tool or implement that includes a core shank that can be socketed in the handle.
- the universal handle will, by way of example, be illustrated as applied to a pot brush, a spatula and a spoon, it is to be understood that the handle is by no means limited to these implements but may be applied to various hand-held tools and implements such as hammers and screwdrivers, garden tools, such as spades, and various kinds of handled household implement such as bottle openers, kitchen knives, potato peelers and cheese knives.
- FIGS. 1 and 2 shown therein is a pot brush provided with a universal handle in accordance with the invention, generally identified by reference numeral 10.
- This implement includes an arcuate array of bristle clusters 11 formed of nylon filaments or similar material, the clusters being anchored in a synthetic plastic base 12 having an extension arm 13. Arm 13, as best seen in FIG. 3, is joined to the enlarged head 14 of a core shank 15, the shank being securely socketed in handle 10.
- handle 10 which is formed of elastomeric material such as neoprene or synthetic rubber, has an elliptical cross section, the ellipse having a long axis X and a short axis Y that intersects axis X at the center line of the handle.
- the handle is stocky, and its dimensions are related to those of the typical adult handle, so that when the handle is clenched by the fingers of the hand, the resultant fist has an internal region that conforms to the contours of the handle.
- jointed fingers are such that when one makes a tight fist, there is then no internal region or open space, but when the firt embraces a stocky handle, the internal region has a generally elliptical cross section that conforms to the form of the handle.
- Handle 10 is provided with an internal cavity 16 that extends longitudinally along the center line of the handle.
- the dimensions of this cavity substantially match those of extension arm 13 inserted therein, so as to securely socket the shank in the cavity.
- the enlarged head 14 of the shank which has an elliptical cross section, matches that of the handle. Head 14 abuts the flat end of the handle and is bonded thereto by a suitable epoxy or other bonding agent.
- an opening 17 Adjacent the lower end of the handle is an opening 17 whose geometric form, as best seen in FIG. 6, is that of a pair of truncated cones. This opening makes it possible to suspend the handle from a hook, or to grasp the handle between the thumb and forefinger which enter the opposing truncated cones, so that the user can, if necessary, pull on the handle or otherwise manipulate it. It is sometimes useful to be able to so grip the handle of an implement, rather than to clench the body of the handle.
- concave depressions 18A and 18B Formed in opposing sides of handle 10 adjacent its upper end are concave depressions 18A and 18B, whose outlines are best seen in FIGS. 2 and 5.
- the periphery of these concave depressions are elliptical in shape to generally conform to the tips of the thumb and forefinger.
- Anchored in each concave depression is an array of equi-spaced fins 19. Because the handle is formed of elastomeric material, fins 19 ar highly flexible. The array of fins forms a grip site whereby when the fins are pressed in by the forefinger and thumb of a user's hand, this action enhances the user's grip on the handle.
- a user grasps handle 10 with the fingers of his hand 20, the handle is then nested within the palm of the hand. Fingers 21, 22 and 23 are then clenched about the handle to form an open fist whose internal cavity matches the elliptical form of the handle.
- the forefinger 24 is pressed into the grip site on one side of the handle, while the thumb 25 is pressed in the grip site on the opposing side to enhance the user's grip on the handle.
- FIGS. 8 and 9 show an implement is the form of a spatual having a flat blade 26 provided with an array of slots 27, the blade being cantilevered from an extension arm 28 terminating in the head 29 of a core shank 30 that is socketed in a universal handle 10 in accordance with the invention.
- core shank 30 is somewhat curved, so that the handle, which is of elastomeric material, assumes a curvature conforming to that of the curved shank.
- the spoon is cantilevered from an arm 32 that terminates in the head of a core shank that is curved, as in the spatula shown in FIG. 8 so that again the handle is curved.
- the handle has a length of 33/4 inches, a width of 13/8 inches, and a thickness of 1/3 of an inch, so that is is relatively stocky.
- the universal handle not only affords a good grip on the implement, but because it is of elastomeric material, it acts to cushion the hand of the user to minimize any pain that might be experienced in handling the implement.
- Such material unlike hard plastic or metal, has non-slip characteristics, so that the fingers clenching the handle even when the grip is weak, do not slide on the surface of the handle.
- the handle thermally isolates the hands of the user from the metal blade or other working component of the implement.
- the core shank 15 of the implement is of uniform diameter, and the core shank is snugly socketed in the internal cavity of the elastomeric handle 10 which has a cylindrical cross section. Hence to insure that the handle cannot be pulled off the core shank, it may be necessary to bond the shank to the handle.
- the core shank 15' has a cylindrical upper section whose diameter is slightly smaller than the diameter of the lower section to define a shoulder or step S a at the junction of these sections.
- the cylindrical cavity 16' in handle 10 has a section whose diameter is slightly smaller than the diameter of the lower section to define a reverse step S b .
- step S a and reverse step S b are then in abutting relation and serve to resist withdrawal of the handle.
- the elliptical cross section of a handle in accordance with the invention enhances the user's ability to control lateral rotation of the handled implement.
- a knife having a conventional round handle it is difficult to rotate the edge of the knife when it meets resistance in the material being cut. But with a handle in accordance with the invention, the handle will not slip in the hand of the user when resistance to cutting is encountered.
- the length of the handle in accordance with the invention and the rounded shape of its end are such that the end fits in the palm of the user's hand and the user can therefore comfortably apply a force in the longitudinal direction of the implement.
- This is of advantage when, for example, the implement is a fruit corer and is being pushed through an apple, or when the implement is a cleaning brush and has to be pushed into the corner of a pan or recess.
- the large hole in the handle makes its end somewhat more flexible, thereby providing for shock absorption when the implement is used in this fashion.
- the conical hole in the handle also has the advantage of making it easier for a user whose hands are shaky and whose eyesight is failing, to guide the handle onto a supporting hook.
Abstract
Description
Claims (5)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/710,466 USRE34194E (en) | 1990-03-26 | 1991-06-05 | Universal handle for hand-held implement |
US07/985,918 USRE37190E1 (en) | 1990-03-26 | 1992-12-04 | Universal handle for hand-held implement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/498,729 US4974286A (en) | 1990-03-26 | 1990-03-26 | Universal handle for hand-held implement |
US07/710,466 USRE34194E (en) | 1990-03-26 | 1991-06-05 | Universal handle for hand-held implement |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/498,729 Reissue US4974286A (en) | 1990-03-26 | 1990-03-26 | Universal handle for hand-held implement |
US07/710,466 Continuation USRE34194E (en) | 1990-03-26 | 1991-06-05 | Universal handle for hand-held implement |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/498,729 Reissue US4974286A (en) | 1990-03-26 | 1990-03-26 | Universal handle for hand-held implement |
US07/710,466 Continuation USRE34194E (en) | 1990-03-26 | 1991-06-05 | Universal handle for hand-held implement |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE34194E true USRE34194E (en) | 1993-03-16 |
Family
ID=27052926
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/710,466 Expired - Lifetime USRE34194E (en) | 1990-03-26 | 1991-06-05 | Universal handle for hand-held implement |
US07/985,918 Expired - Lifetime USRE37190E1 (en) | 1990-03-26 | 1992-12-04 | Universal handle for hand-held implement |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/985,918 Expired - Lifetime USRE37190E1 (en) | 1990-03-26 | 1992-12-04 | Universal handle for hand-held implement |
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US (2) | USRE34194E (en) |
Cited By (20)
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US5390746A (en) * | 1993-01-29 | 1995-02-21 | Ardle E. Page | Side chop hoe |
US5626061A (en) * | 1995-07-13 | 1997-05-06 | Stanley Mechanics Tools | Composite ratchet |
US5857241A (en) * | 1997-02-19 | 1999-01-12 | The Wooster Brush Company | Soft grip handle |
US5862571A (en) * | 1997-01-10 | 1999-01-26 | Hp Intellectual Corp. | Comfort grip handle and process |
US5865945A (en) * | 1997-10-30 | 1999-02-02 | Mcconaughy; Drew B. | Pressure sensitive film applicator tool handle |
USD408998S (en) * | 1998-09-09 | 1999-05-04 | J.W. Pet Company | Pet grooming brush handle |
USD417602S (en) * | 1998-04-30 | 1999-12-14 | The Testor Corporation | Decorative handle for hand tool |
US6170123B1 (en) * | 1998-03-07 | 2001-01-09 | Felo Werkzeugfabrik Holland-Letz Gmbh | Handle for a hand tool |
US6273626B1 (en) * | 1998-10-09 | 2001-08-14 | Zebra Co., Ltd. | Grip for a writing instrument |
US6534747B1 (en) * | 2001-05-30 | 2003-03-18 | Richard B. Rehrig | Welding torch and handle |
USRE38093E1 (en) | 1999-03-30 | 2003-04-29 | Ding Wei Enterprises, Inc. | Mason's hand tool |
US20030210947A1 (en) * | 2002-05-08 | 2003-11-13 | Calendrille John L. | Cleaning utensil |
US20050016782A1 (en) * | 2003-07-22 | 2005-01-27 | Gallagher Michael P. | Operator support pad for a vehicle |
WO2005030023A2 (en) | 2003-09-26 | 2005-04-07 | Helen Of Troy Limited | Soap dispensing apparatus |
US20050273960A1 (en) * | 2004-06-14 | 2005-12-15 | Dillon John J | Automobile duster with reversible handle |
US20070068958A1 (en) * | 2005-09-29 | 2007-03-29 | John Besser | Ribbed sleeve providing insulation |
US20070182121A1 (en) * | 2006-02-03 | 2007-08-09 | Crown Equipment Corporation | Movable step for a materials handling vehicle |
US20070207024A1 (en) * | 2006-02-03 | 2007-09-06 | Crown Equipment Corporation | Operator backrest and knee support pad for a materials handling vehicle |
US20080131842A1 (en) * | 2003-10-14 | 2008-06-05 | Steven Joseph Edwards | Multiple grip dental handle |
US20190150677A1 (en) * | 2017-11-22 | 2019-05-23 | Lawrence Mc Donell | Soap Dispensing Bathing Wand |
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GB0015774D0 (en) * | 2000-06-28 | 2000-08-16 | Reckitt & Colmann Prod Ltd | Appliance |
US20030234188A1 (en) * | 2002-06-20 | 2003-12-25 | Mcguyer Carter W. | Multi-tool kitchen utensil kit and container |
US6709125B2 (en) * | 2002-07-25 | 2004-03-23 | Harold Jarvis | Easy open device for beverage cans |
US7294110B2 (en) | 2002-11-20 | 2007-11-13 | Boston Scientific Scimed Inc. | Medical instruments |
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US20040177515A1 (en) * | 2003-03-12 | 2004-09-16 | Mark Horton | Manual food cutting device and method of using same |
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US7065825B2 (en) | 2003-06-23 | 2006-06-27 | The Clorox Company | Cleaning tool with gripping assembly for a disposable scrubbing head |
US7386910B2 (en) | 2003-09-30 | 2008-06-17 | The Clorox Company | Cleaning tool assembly with a disposable cleaning implement |
US20080115302A1 (en) * | 2004-01-16 | 2008-05-22 | Andrew Kilkenny | Cleaning Tool With Disposable Cleaning Head and Composition |
US20060123634A1 (en) * | 2004-09-20 | 2006-06-15 | Peterson Michael E | Scissors with handle opening overmold and ribbing |
DE102004049001A1 (en) * | 2004-10-06 | 2006-04-13 | Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh | Circular knitting machine with a dedusting device |
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US7121009B2 (en) * | 2005-02-11 | 2006-10-17 | Robbins Industries, Inc. | Can opener |
US7252156B2 (en) * | 2005-03-31 | 2007-08-07 | Makita Corporation | Vibration isolation handle |
US7494081B2 (en) * | 2005-06-15 | 2009-02-24 | Reel Grip, Ltd. | Grips for fishing reels |
US8051538B2 (en) | 2006-03-27 | 2011-11-08 | Chih-Ching Hsieh | Handle with asymmetrical configuration |
US20070220710A1 (en) * | 2006-03-27 | 2007-09-27 | Chih-Ching Hsieh | Handle for hand tool |
US20070250079A1 (en) * | 2006-04-21 | 2007-10-25 | Dagmar Kern | Dermabrasive tool and method of use |
US20090249572A1 (en) * | 2008-04-03 | 2009-10-08 | Minkler Douglas J | Cleaning Tool Assembly With A Disposable Cleaning Implement |
US20120110787A1 (en) * | 2010-11-05 | 2012-05-10 | Clipper Corporation | Implement handle with ergonomic grip providing rotational leverage |
GB2492980A (en) * | 2011-07-14 | 2013-01-23 | David Stephen Warren | A grip wherein in use a use'rs fingers and thumbs don't quite et |
US8616098B1 (en) * | 2011-07-14 | 2013-12-31 | Mystic Apparel LLC | Handle for tools |
US9850602B2 (en) * | 2014-03-14 | 2017-12-26 | Thomas Wrobel | Braiding disk handle |
USD744243S1 (en) | 2014-03-25 | 2015-12-01 | Unger Marketing International, Llc | Brush handle |
USD744760S1 (en) | 2014-03-25 | 2015-12-08 | Unger Marketing International, Llc | Brush handle |
USD743703S1 (en) | 2014-03-25 | 2015-11-24 | Unger Marketing International, Llc | Brush handle |
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USD754976S1 (en) | 2014-03-25 | 2016-05-03 | Unger Marketing International, Llc | Brush handle |
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US5390746A (en) * | 1993-01-29 | 1995-02-21 | Ardle E. Page | Side chop hoe |
US5626061A (en) * | 1995-07-13 | 1997-05-06 | Stanley Mechanics Tools | Composite ratchet |
US5862571A (en) * | 1997-01-10 | 1999-01-26 | Hp Intellectual Corp. | Comfort grip handle and process |
US5857241A (en) * | 1997-02-19 | 1999-01-12 | The Wooster Brush Company | Soft grip handle |
US5865945A (en) * | 1997-10-30 | 1999-02-02 | Mcconaughy; Drew B. | Pressure sensitive film applicator tool handle |
US6170123B1 (en) * | 1998-03-07 | 2001-01-09 | Felo Werkzeugfabrik Holland-Letz Gmbh | Handle for a hand tool |
USD417602S (en) * | 1998-04-30 | 1999-12-14 | The Testor Corporation | Decorative handle for hand tool |
USD408998S (en) * | 1998-09-09 | 1999-05-04 | J.W. Pet Company | Pet grooming brush handle |
US6273626B1 (en) * | 1998-10-09 | 2001-08-14 | Zebra Co., Ltd. | Grip for a writing instrument |
USRE38093E1 (en) | 1999-03-30 | 2003-04-29 | Ding Wei Enterprises, Inc. | Mason's hand tool |
US6534747B1 (en) * | 2001-05-30 | 2003-03-18 | Richard B. Rehrig | Welding torch and handle |
US20030210947A1 (en) * | 2002-05-08 | 2003-11-13 | Calendrille John L. | Cleaning utensil |
US6663309B2 (en) * | 2002-05-08 | 2003-12-16 | Wki Holding Company, Inc. | Cleaning utensil |
US7267369B2 (en) | 2003-07-22 | 2007-09-11 | Crown Equipment Corporation | Operator support pad for a vehicle |
US20050016782A1 (en) * | 2003-07-22 | 2005-01-27 | Gallagher Michael P. | Operator support pad for a vehicle |
US6948739B2 (en) * | 2003-07-22 | 2005-09-27 | Crown Equipment Corporation | Operator support pad for a vehicle |
US20050236197A1 (en) * | 2003-07-22 | 2005-10-27 | Gallagher Michael P | Operator support pad for a vehicle |
WO2005030023A2 (en) | 2003-09-26 | 2005-04-07 | Helen Of Troy Limited | Soap dispensing apparatus |
US20080131842A1 (en) * | 2003-10-14 | 2008-06-05 | Steven Joseph Edwards | Multiple grip dental handle |
US20050273960A1 (en) * | 2004-06-14 | 2005-12-15 | Dillon John J | Automobile duster with reversible handle |
US20070068958A1 (en) * | 2005-09-29 | 2007-03-29 | John Besser | Ribbed sleeve providing insulation |
US20070207024A1 (en) * | 2006-02-03 | 2007-09-06 | Crown Equipment Corporation | Operator backrest and knee support pad for a materials handling vehicle |
US20070182121A1 (en) * | 2006-02-03 | 2007-08-09 | Crown Equipment Corporation | Movable step for a materials handling vehicle |
US7740259B2 (en) | 2006-02-03 | 2010-06-22 | Crown Equipment Corporation | Movable step for a materials handling vehicle |
US20100171283A1 (en) * | 2006-02-03 | 2010-07-08 | Crown Equipment Corporation | Movable step for a materials handling vehicle |
US7793979B2 (en) * | 2006-02-03 | 2010-09-14 | Crown Equipment Corporation | Operator backrest and knee support pad for a materials handling vehicle |
US8991843B2 (en) | 2006-02-03 | 2015-03-31 | Crown Equipment Corporation | Movable step for a materials handling vehicle |
US20190150677A1 (en) * | 2017-11-22 | 2019-05-23 | Lawrence Mc Donell | Soap Dispensing Bathing Wand |
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