US3122774A - Handles - Google Patents

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Publication number
US3122774A
US3122774A US130169A US13016961A US3122774A US 3122774 A US3122774 A US 3122774A US 130169 A US130169 A US 130169A US 13016961 A US13016961 A US 13016961A US 3122774 A US3122774 A US 3122774A
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triangles
pair
handle
apices
conic
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US130169A
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Lamb Thomas
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    • 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
    • B25G1/102—Handle constructions characterised by material or shape the shape being specially adapted to facilitate handling or improve grip
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/12—Hand grips, preformed and semi-permanent

Definitions

  • FIGURE 1 is an exploded perspective view of a handle embodying my invention.
  • FIGURE 2 is a top plan view of the handle.
  • FIGURE 3 is a side elevation.
  • FIGURES 4 and 5 are a top plan view and side elevation, respectively, of a modified form of handle.
  • FIGURES 6 and 7 are an exploded perspective View and a side elevation, respectively, of another modified form of handle.
  • FIG. 1 the essential features of the invention have been illustrated in FIG. 1 by splitting the handle into a plurality of pieces, shown in exploded form.
  • the same handle, with the pieces assembled or formed integrally is shown in FIGS. 2 and 3.
  • the handle comprises a tetrahedron 1, the faces of which are four isosceles triangles which are bounded by edges joining the apices of the isosceles triangles.
  • the four apices 2, 3, 4, 5 of the triangles are joined by edges which form a pair of isosceles triangles 243 and 2-5-3 having a common base 23, and an additional pair of isosceles triangles 425 and 43-5 having a common base 4-5.
  • the legs of the triangles are substantially longer than their bases, and the apices of the pairs of triangles point in opposite directions.
  • the apices of triangles 24-3 and Z53 point in one direction, while the apices of triangles 435 and 425 point in the opposite direction.
  • the apices of each of the pairs of triangles are spaced apart a distance equal to the length of the common base of the other pair of triangles.
  • the apices 2 and 3 of the pair of triangles 425 and 435 are spaced apart by the length of the base common 23 of the other pair of triangles 243 and 2-53.
  • each of the triangular surfaces of the tetrahedron 1 is covered, in whole or in part, by a conic member which is essentially a portion of a cone or conoid formed by taking a longitudinal section therethrough.
  • the conic members 6 and 7 are portions of cones, while members 8 and 9 are portions of conoids.
  • the conic members 6 and 7 are portions of cones each having a base 10, the diameter of which is approximately equal to the length of the base 23 of the pair of triangles 2-43 and 25--3.
  • each conic member from the base 10 to the apex 11 is substantially equal to the height of the triangles 243 and 2-5-3 from the base to the apex, so that the fiat faces of the cones sections are triangles of the same size and shape as the pair of triangles 24--3 and Z53.
  • the conic members 8 and 9 are portions of conoids, and while the diameter of the base 12 of each member is approximately equal to the length of the base 4-5 of the pair of triangles 425 and 435, the height of each of the conic members from the base to the apex 13 is substantially less than the height of the triangles 425 and 43-5 from the base to the apex.
  • the flat faces of the conic members are of less area than that of the said triangles and they each have curved edges extending from the apex 13 to the base 12.
  • the exposed surfaces form gripping surfaces for the hand, and particularly for the thumb, forefinger and middle finger of the hand.
  • the hand grip portion of the handle above described constitutes the novel features of the invention, but if desired, the handle may be extended at either or both ends by appropriately shaped members adapted for connection to an article to be manipulated, andadapted, if desired, to provide additional gripping surfaces for engagement by the third and fourth fingers and by the heel of the hand.
  • Typical extensions 14 and 15 are illustrated in FIGS. 1, 2 and 3, the extension 14 at the front end of the handle being adapted to receive the end of a member to be manipulated such as a tool, a knife blade or a shaft, for example.
  • the extension 15 at the rear end of the handle provides additional gripping surfaces.
  • the surfaces of the extensions may be shaped as desired, but are formed to merge smoothly into the adjacent surfaces of the handle.
  • the conic members 6 and 7 of the preferred embodiment are portions of cones, while the conic members 8 and 9 are portions of conoids, it will be understood that members 6 and 7 may be sections of conoids, or members 8 and 9 may be sections of cones.
  • the members of each pair such as the pair 6 and 7, or the pair 8 and 9, will be similar.
  • the height of the members of one pair, such as the pair 8 and 9, from base to apex will be shorter than the height of the other pair, such as the pair 6 and 7.
  • the shorter pair will be located at the rear of the handle with the apex pointed toward the front, while the longer pair will be located at the front of the handle with the apex pointed toward the rear.
  • each of the members 6, 7, 8 and 9 may be modified in order to fair into and merge smoothly with the exposed surface of the next adjacent member and with the exposed sur face of the tetrahedron 1, or in order to conform to design requirements for specific purposes or uses.
  • FIGS. 4 and 5 One example of a typical modification is illustrated in FIGS. 4 and 5 in which the surface contours of each of the conic members 6a, 7a, 8a and 911 have been modified to fair into and merge smoothly with the surfaces of the next adjacent member.
  • FIGS. 6 and 7 A different type of modification is illustrated in FIGS. 6 and 7.
  • the handles of FIGS. 1 to 5 are intended primarily for uses in which the handle is to be rotated, as for example in the use of a screw driver, or for other uses in which a straight handle is required, such as tennis racquets, golf clubs, and fishing rods.
  • handles having a slightly curved longitudinal axis are required or are desirable, particularly when such handles are used for pushing, pulling or lifting operations.
  • Such handles are frequently required for flatiron handles, door handles, electric tool handles, luggage handles and the like.
  • FIGS. 6 and 7 I have illustrated the manner in which the invention may be modified to satisfy such requirements, merely by slightly curving the longitudinal axes of the tetrahedron 21 and of the conic members 26, 27, 28 and 29, as shown in the exploded view of FIG. 6.
  • FIGS. 6 and 7 are also illustrated typical extensions 34 and 35 of such handle as might be suitable for use as a flatiron handle, for example.
  • a handle having a hand grip portion, said hand grip. portion comprising a tetrahedron the faces of which are four isosceles triangles which are bounded by edges joining the apices of the triangles, the legs of the triangles being substantially longer than their bases, said triangles comprising two pairs in which the triangles of each pair have a common base and in whichv the apices of the triangles of one pair point in the opposite direction from the apices of the triangles of the other pair, the apices of the pairs of triangles being spaced apart a distance equal to the length of the common base of the other pair, each of the triangular surfaces being covered, at least in part, by a conic member having an exposed conic surface forming a gripping surface for a portion of the hand.
  • a handle as claimed in claim 1 in which certain of said conic members comprise a portion of a cone formed by taking a longitudinal section therethrough.
  • a handle as claimed in elaim l in which certain of said conic members comprise a portion of a cone formed by taking a longitudinal section therethrough and certain other of said conic members comprise a portion of a conoid formed by taking a longitudinal section therethrough.
  • a handle as claimed in claim 1 in which the height from base to apex of certain of said conic members is less than the height from base to apex of the triangles at least partially covered thereby, and in which a portion of said triangles is exposed as a gripping surface for a portion of the hand. 7
  • a handle as claimed in claim 1 in which certain of said conic membeps comprise a portion of a cone formed by taking a longitudinal section therethrough and certain other of 'said conic members comprise a portion of a conoid formed by taking a longitudinal section therethrough, and in which the height from base to apex of said conoid portions is less than the height from base to apex of the triangles at least partially covered thereby, and in which a portion of said triangles is exposed as a gripping surface for a portion of the hand.
  • a handle as claimed in claim 1 in which the longitudinal axis of said tetrahedron is curved slightly.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Description

T. LAMB HANDLES March 3, 1964 2 Sheets-Sheet 1 Filed Aug. 8, 1961 INVENTOR.
THOMAS LAMB F/G. 3 By 6 l c ATTORNEYS March 3, 1964 T. LAMB HANDLES Filed Aug. 8, 1961 2 SheetsSheet 2 THOMAS LAMB A770 NEYS I I i ZALZZZ L Q United States Patent 3,122,774 I MNDLES Thoma Lamb, Mariomi Road, New Canaan, Conn. Filed Aug. 8, 1961, Ser. No. 130,169 7 Claims. (Cl. 16-110) This invention relates to handles.
It is an object of the invention to provide an all purpose handle which, when grasped by the human hand, may be used in various relationships to perform a variety of hand operations such as lifting, pushing, pulling, twisting, turning and combinations of such operations, and which enables the hand to perform such operations comfortabl eificiently and with a minimum of fatigue.
Other objects and advantages of the invention will appear hereinafter.
A preferred embodiment of the invention selected for purposes of illustration is shown in the accompanyin drawings, in which FIGURE 1 is an exploded perspective view of a handle embodying my invention.
FIGURE 2 is a top plan view of the handle.
FIGURE 3 is a side elevation.
FIGURES 4 and 5 are a top plan view and side elevation, respectively, of a modified form of handle.
FIGURES 6 and 7 are an exploded perspective View and a side elevation, respectively, of another modified form of handle.
Referring to the drawings, the essential features of the invention have been illustrated in FIG. 1 by splitting the handle into a plurality of pieces, shown in exploded form. The same handle, with the pieces assembled or formed integrally is shown in FIGS. 2 and 3.
As shown in the exploded view of FIG. 1, the handle comprises a tetrahedron 1, the faces of which are four isosceles triangles which are bounded by edges joining the apices of the isosceles triangles. Thus the four apices 2, 3, 4, 5 of the triangles are joined by edges which form a pair of isosceles triangles 243 and 2-5-3 having a common base 23, and an additional pair of isosceles triangles 425 and 43-5 having a common base 4-5. The legs of the triangles are substantially longer than their bases, and the apices of the pairs of triangles point in opposite directions. Thus, the apices of triangles 24-3 and Z53 point in one direction, while the apices of triangles 435 and 425 point in the opposite direction. Also, the apices of each of the pairs of triangles are spaced apart a distance equal to the length of the common base of the other pair of triangles. For example, the apices 2 and 3 of the pair of triangles 425 and 435 are spaced apart by the length of the base common 23 of the other pair of triangles 243 and 2-53.
Each of the triangular surfaces of the tetrahedron 1 is covered, in whole or in part, by a conic member which is essentially a portion of a cone or conoid formed by taking a longitudinal section therethrough. Thus, for example, the conic members 6 and 7 are portions of cones, while members 8 and 9 are portions of conoids. In the embodiment illustrated, the conic members 6 and 7 are portions of cones each having a base 10, the diameter of which is approximately equal to the length of the base 23 of the pair of triangles 2-43 and 25--3. The height of each conic members from the base 10 to the apex 11 is substantially equal to the height of the triangles 243 and 2-5-3 from the base to the apex, so that the fiat faces of the cones sections are triangles of the same size and shape as the pair of triangles 24--3 and Z53.
On the other hand, in the embodiment illustrated, the conic members 8 and 9 are portions of conoids, and while the diameter of the base 12 of each member is approximately equal to the length of the base 4-5 of the pair of triangles 425 and 435, the height of each of the conic members from the base to the apex 13 is substantially less than the height of the triangles 425 and 43-5 from the base to the apex. Hence, the flat faces of the conic members are of less area than that of the said triangles and they each have curved edges extending from the apex 13 to the base 12.
When the members 1, 6, 7, 8 and 9 are assembled as shown in FIGS. 2 and 3, the exposed surfaces form gripping surfaces for the hand, and particularly for the thumb, forefinger and middle finger of the hand. The hand grip portion of the handle above described constitutes the novel features of the invention, but if desired, the handle may be extended at either or both ends by appropriately shaped members adapted for connection to an article to be manipulated, andadapted, if desired, to provide additional gripping surfaces for engagement by the third and fourth fingers and by the heel of the hand. Typical extensions 14 and 15 are illustrated in FIGS. 1, 2 and 3, the extension 14 at the front end of the handle being adapted to receive the end of a member to be manipulated such as a tool, a knife blade or a shaft, for example. The extension 15 at the rear end of the handle provides additional gripping surfaces. The surfaces of the extensions may be shaped as desired, but are formed to merge smoothly into the adjacent surfaces of the handle.
While the conic members 6 and 7 of the preferred embodiment are portions of cones, while the conic members 8 and 9 are portions of conoids, it will be understood that members 6 and 7 may be sections of conoids, or members 8 and 9 may be sections of cones. Preferably, however, the members of each pair, such as the pair 6 and 7, or the pair 8 and 9, will be similar. Preferably, also, the height of the members of one pair, such as the pair 8 and 9, from base to apex, will be shorter than the height of the other pair, such as the pair 6 and 7. Preferably, also, the shorter pair will be located at the rear of the handle with the apex pointed toward the front, while the longer pair will be located at the front of the handle with the apex pointed toward the rear.
It will be understood that the exposed surfaces of each of the members 6, 7, 8 and 9 may be modified in order to fair into and merge smoothly with the exposed surface of the next adjacent member and with the exposed sur face of the tetrahedron 1, or in order to conform to design requirements for specific purposes or uses. One example of a typical modification is illustrated in FIGS. 4 and 5 in which the surface contours of each of the conic members 6a, 7a, 8a and 911 have been modified to fair into and merge smoothly with the surfaces of the next adjacent member.
A different type of modification is illustrated in FIGS. 6 and 7. The handles of FIGS. 1 to 5 are intended primarily for uses in which the handle is to be rotated, as for example in the use of a screw driver, or for other uses in which a straight handle is required, such as tennis racquets, golf clubs, and fishing rods. In many cases, however, handles having a slightly curved longitudinal axis are required or are desirable, particularly when such handles are used for pushing, pulling or lifting operations. Such handles are frequently required for flatiron handles, door handles, electric tool handles, luggage handles and the like.
In FIGS. 6 and 7, I have illustrated the manner in which the invention may be modified to satisfy such requirements, merely by slightly curving the longitudinal axes of the tetrahedron 21 and of the conic members 26, 27, 28 and 29, as shown in the exploded view of FIG. 6. In FIGS. 6 and 7 are also illustrated typical extensions 34 and 35 of such handle as might be suitable for use as a flatiron handle, for example.
It will be understood that the invention may be variously modified and embodied within the scope of the subi n fl l i I claim as my invention:
1. A handle having a hand grip portion, said hand grip. portion comprising a tetrahedron the faces of which are four isosceles triangles which are bounded by edges joining the apices of the triangles, the legs of the triangles being substantially longer than their bases, said triangles comprising two pairs in which the triangles of each pair have a common base and in whichv the apices of the triangles of one pair point in the opposite direction from the apices of the triangles of the other pair, the apices of the pairs of triangles being spaced apart a distance equal to the length of the common base of the other pair, each of the triangular surfaces being covered, at least in part, by a conic member having an exposed conic surface forming a gripping surface for a portion of the hand.
2. A handle as claimed in claim 1 in which certain of said conic members comprise a portion of a cone formed by taking a longitudinal section therethrough.
3. A handle as claimed in claim 1 in which certain of said conic members comprise a portion of a conoid formed by taking a longitudinal section therethrough.
4. A handle as claimed in elaim l in which certain of said conic members comprise a portion of a cone formed by taking a longitudinal section therethrough and certain other of said conic members comprise a portion of a conoid formed by taking a longitudinal section therethrough.
5. A handle as claimed in claim 1 in which the height from base to apex of certain of said conic members is less than the height from base to apex of the triangles at least partially covered thereby, and in which a portion of said triangles is exposed as a gripping surface for a portion of the hand. 7
6. A handle as claimed in claim 1 in which certain of said conic membeps comprise a portion of a cone formed by taking a longitudinal section therethrough and certain other of 'said conic members comprise a portion of a conoid formed by taking a longitudinal section therethrough, and in which the height from base to apex of said conoid portions is less than the height from base to apex of the triangles at least partially covered thereby, and in which a portion of said triangles is exposed as a gripping surface for a portion of the hand.
7. A handle as claimed in claim 1 in which the longitudinal axis of said tetrahedron is curved slightly.
References Cited in the file of this patent UNITED STATES PATENTS D. 100,685 Curtiss Aug. 4, 1936 D. 104,484, Weinig May 11, 1937 1,860,561 Warner May 31, 1932

Claims (1)

1. A HANDLE HAVING A HAND GRIP PORTION, SAID HAND GRIP PORTION COMPRISING A TETRAHEDRON THE FACES OF WHICH ARE FOUR ISOSCELES TRIANGLES WHICH ARE BOUNDED BY EDGES JOINING THE APICES OF THE TRIANGLES, THE LEGS OF THE TRIANGLES BEING SUBSTANTIALLY LONGER THAN THEIR BASES, SAID TRIANGLES COMPRISING TWO PAIRS IN WHICH THE TRIANGLES OF EACH PAIR HAVE A COMMON BASE AND IN WHICH THE APICES OF THE TRIANGLES OF ONE PAIR POINT IN THE OPPOSITE DIRECTION FROM THE APICES OF THE TRIANGLES OF THE OTHER PAIR, THE APICES OF THE PAIRS OF TRIANGLES BEING SPACED APART A DISTANCE EQUAL TO THE LENGTH OF THE COMMON BASE OF THE OTHER PAIR, EACH OF THE TRIANGULAR SURFACES BEING COVERED, AT LEAST IN PART, BY A CONIC MEMBER HAVING AN EXPOSED CONIC SURFACE FORMING A GRIPPING SURFACE FOR A PORTION OF THE HAND.
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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269399A (en) * 1964-08-03 1966-08-30 Alfred A Smith Combined handle and hand grip for crutches
DE1298060B (en) * 1967-07-31 1969-06-19 Werner Fa Hermann Tool handle
US3517678A (en) * 1968-12-31 1970-06-30 Robert B Gilsdorf Hand grip for crutch
US3995650A (en) * 1975-09-10 1976-12-07 Lumex, Inc. Adjustable positioned handgrip for canes, crutches, walkers and other ambulatory aids
US4038719A (en) * 1973-09-24 1977-08-02 Bennett John F Handle for tools and sporting equipment
US4117593A (en) * 1977-05-17 1978-10-03 Dimi Piligrino Knife
US4934222A (en) * 1985-07-24 1990-06-19 Snap-On Tools Corporation Ergonomic tool
US5036446A (en) * 1988-08-24 1991-07-30 Roberto Quintanilla Lamp handle cover system for surgical lamps
US5230154A (en) * 1990-09-28 1993-07-27 Bettcher Industries, Inc. Modular power-driven rotary knife, improved handle and method
FR2723391A1 (en) * 1994-08-03 1996-02-09 M Beraud Ets Ergonomic trowel used in masonry field
US5791055A (en) * 1995-02-06 1998-08-11 Zwilling J.A. Henckels Ag Knife handle
US5862571A (en) * 1997-01-10 1999-01-26 Hp Intellectual Corp. Comfort grip handle and process
USD418416S (en) * 1998-08-05 2000-01-04 Estee Lauder Inc. Perfume cap
USD420913S (en) * 1998-08-05 2000-02-22 Estee Lauder, Inc. Cologne bottle cap
US7228632B2 (en) 2002-05-31 2007-06-12 Calphalon Corporation Cutlery implement
US20100325901A1 (en) * 2009-06-30 2010-12-30 Carol Catalano Impaired grip knife
US20140069065A1 (en) * 2012-09-07 2014-03-13 Ryan Michael Laverty Can opening device
USD764701S1 (en) * 2013-12-17 2016-08-23 Anil K. Malhi Electronic smoking device
US9952618B2 (en) * 2015-01-02 2018-04-24 Extreme Steering, Inc. Handlebar grips and handlebar assemblies including the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1860561A (en) * 1930-07-26 1932-05-31 Stanley Works Handgrip

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1860561A (en) * 1930-07-26 1932-05-31 Stanley Works Handgrip

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269399A (en) * 1964-08-03 1966-08-30 Alfred A Smith Combined handle and hand grip for crutches
DE1298060B (en) * 1967-07-31 1969-06-19 Werner Fa Hermann Tool handle
US3517678A (en) * 1968-12-31 1970-06-30 Robert B Gilsdorf Hand grip for crutch
US4038719A (en) * 1973-09-24 1977-08-02 Bennett John F Handle for tools and sporting equipment
US3995650A (en) * 1975-09-10 1976-12-07 Lumex, Inc. Adjustable positioned handgrip for canes, crutches, walkers and other ambulatory aids
US4117593A (en) * 1977-05-17 1978-10-03 Dimi Piligrino Knife
US4934222A (en) * 1985-07-24 1990-06-19 Snap-On Tools Corporation Ergonomic tool
US5036446A (en) * 1988-08-24 1991-07-30 Roberto Quintanilla Lamp handle cover system for surgical lamps
US5230154A (en) * 1990-09-28 1993-07-27 Bettcher Industries, Inc. Modular power-driven rotary knife, improved handle and method
US5400511A (en) * 1990-09-28 1995-03-28 Bettcher Industries, Inc. Thumbpiece for modular power-driven knife
FR2723391A1 (en) * 1994-08-03 1996-02-09 M Beraud Ets Ergonomic trowel used in masonry field
US5791055A (en) * 1995-02-06 1998-08-11 Zwilling J.A. Henckels Ag Knife handle
US5862571A (en) * 1997-01-10 1999-01-26 Hp Intellectual Corp. Comfort grip handle and process
US6024903A (en) * 1997-01-10 2000-02-15 Hp Intellectual Corp. Process for making a comfort grip handle
USD418416S (en) * 1998-08-05 2000-01-04 Estee Lauder Inc. Perfume cap
USD420913S (en) * 1998-08-05 2000-02-22 Estee Lauder, Inc. Cologne bottle cap
US7228632B2 (en) 2002-05-31 2007-06-12 Calphalon Corporation Cutlery implement
US20100325901A1 (en) * 2009-06-30 2010-12-30 Carol Catalano Impaired grip knife
US8615888B2 (en) * 2009-06-30 2013-12-31 Dexter-Russell, Inc. Impaired grip knife
US20140069065A1 (en) * 2012-09-07 2014-03-13 Ryan Michael Laverty Can opening device
US9260282B2 (en) * 2012-09-07 2016-02-16 Ryan Michael Laverty Method of opening a can with an opening device
USD764701S1 (en) * 2013-12-17 2016-08-23 Anil K. Malhi Electronic smoking device
US9952618B2 (en) * 2015-01-02 2018-04-24 Extreme Steering, Inc. Handlebar grips and handlebar assemblies including the same

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