US3203697A - Stable grip tennis racket handle - Google Patents

Stable grip tennis racket handle Download PDF

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US3203697A
US3203697A US256704A US25670463A US3203697A US 3203697 A US3203697 A US 3203697A US 256704 A US256704 A US 256704A US 25670463 A US25670463 A US 25670463A US 3203697 A US3203697 A US 3203697A
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handle
seat
support member
nut
screw
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US256704A
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Paul G Berzatzy
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00—Stringed rackets, e.g. for tennis
    • A63B49/02—Frames
    • A63B49/08—Frames with special construction of the handle
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/10—Handles with means for indicating correct holding positions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/16—Caps; Ferrules
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4001—Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor
    • A63B21/4017—Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor to the upper limbs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/08—Handles characterised by the material
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/12—Handles contoured according to the anatomy of the user's hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/32—Handles with means for changing the angular position of the handle about its longitudinal axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/34—Handles with the handle axis different from the main axis of the implement
    • 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

  • the problems in the art to which this invention appertains are the need for a tennis racket handle that will not slip in a circular direction within the hand; the need for a handle that will not fly out of the hand due to the centrifugal force arising out of a fast and powerful stroke; the need for a handle that will permit the racket to be held in a constant position; the need for a handle that will permit of manipulation of the racket by a player having a weak grip; the need for a handle that can be comfortably gripped by the player; the need for a handle which will help eliminate blisters and calluses on the players hand; the need for a handle assembly that is adjustable in a longitudinal direction relative to the longitudinal axis of the handle; the need for a handle assembly that is adjustable in a radial direction relative to the longitudinal axis of the handle; and a handle assembly having a support member for the hand that is adjustable in radial directions relative to the longitudinal axis of the handle.
  • the conventional handle has a circular or semicircular cross section which varies from circular to octagonal or hexagonal shape.
  • This type of bar handle allows the racket to slip in a circular direction within the hand and also allows the racket to fly out of the hand due to the centrifugal force of a fast stroke.
  • the conventional handle does not afford a constant racket position with respect to the hand of the tennis player because of its cross-sectional configuration. Accordingly, with the speed of play, concentration of foot movement and on the position on the court with which the mind of the tennis player is occupied, the tennis player must rely on instinct and experience for purposes of racket position and these factors usually result in the incorrect position of the racket during the stroke.
  • the players grip on the handle is quite unstable during a forehand drive for a hand which is not strong and powerful.
  • a further object of the invention is to provide a tennis racket handle that will permit the racket to be held in a constant position.
  • a still further object of this invention is to provide a tennis racket handle that will permit of manipulation by a player having a weak grip.
  • Another object of this invention is to provide a tennis racket handle that can be comfortably gripped by the player.
  • a further object of the invention is to provide a tennis racket handle which will help eliminate blisters and calluses on the players hand.
  • a still further object of the invention is to provide a tennis racket handle that has a handle assembly adjustable in a longitudinal direction relative to the longitudinal axis of the handle.
  • Another object of the invention is to provide a tennis racket handle that has a handle assembly adjustable in a radial direction relative to the longitudinal axis of the handle.
  • a still further object of the invention is to provide a tennis racket handle with a handle assembly having a support member for the hand that is adjustable in radial directions relative to the longitudinal axis of the handle.
  • FIG. 1 is a view of the invention wherein the handle is shown gripped by a player;
  • FIG. 2 is a partial sectional view taken along the line 2-2 of FIG. 1;
  • FIG. 3 is a sectional view taken along the line 33 of FIG. 2.
  • Reference numeral 1 generally refers to the invention having a wooden handle 3 having rounded end portions and conformable to the flat palm portion of the hand and whose longitudinal axis is tilted at an angle alpha of approximately 2 /2 degrees relative to the longitudinal axis of the racket itself. Understandably, the flat elliptical configuration of the handle permits of easier gripping and manipulation by the player.
  • the grip of the players hand on the handle 3, as shown in FIG. 1, is known as the continental grip. In the continental grip, the longitudinal axis of the tennis racket is raised upwardly in comparison to the longitudinal axis maintained on the tennis racket in the eastern grip.
  • This angular upward movement of the tennis racket is compensated for by the angular declination alpha of the longitudinal axis of the handle 3 relative to the longitudinal axis of the racket itself.
  • the angular declination alpha of the longitudinal axis of the handle 3 relative to the longitudinal axis of the racket itself.
  • a hole 5 suitably formed in the outward end of handle 3 receives therein a metal cylindrical insert 7 open at the outward end, as shown. Cylindrical insert 7 is suitably secured to the wooden handle 3 by a suitable metal through pin 9.
  • An L-shaped support member 11 of light metal is padded over the inside surface of member 11 as indicated at 13 with the padding suitably covered by non-irritating material.
  • the inside padded surface of member 11 rests against the players hand as shown and is adjustable for the comfort of the player and use of same while playing as will be hereinafter described.
  • the construction of the support member 11, and the arrangement and disposition of the support member 11, is an added stability factor in addition to the flat elliptical handle 3 because the support member it rests or abuts against the exterior lateral portion of the proximal phalanx of the little finger, rests or abuts against the upper peripheral portion of the proximal phalanx of the little finger, rests or abuts against the upper peripheral portion of the proximal phalanx of the ring finger, rests or abuts against the exterior lateral portion of the fifth metacarpal, rests or abuts against the upper peripheral portion of the fifth metacarpal, rests or abuts against the upper peripheral portion of the fourth metacarpal, thereby providing stability and strength to the individuals grip where most needed.
  • a cap screw 27 extends through an oversized hole 29 formed in member 11, the hole formed in seat 21 and engages the nut 25, as shown.
  • a thrust washer 31 is interposed between head of screw 27 and the outer surface of one of the legs of member 11.
  • the handle assembly is positionable in a longitudinal direction relative to the longitudinal axis of handle 3 by loosening screw 27, movement of the handle assembly in the longitudinal direction and tightening of screw 27 until the handle assembly is locked.
  • the handle assembly is positionable in a radial direction relative to the longitudinal axis of handle 3 by similarly loosening screw 27, rotating the handle assembly and tightening screw 27 until the handle assembly is locked.
  • the support member 11 may be adjustably positioned in a radial direction, and which movement and positioning may also be referred to as a translatory relationship, by loosening screw 27 sufficiently to allow movement of serrations 15 of member 11 along and relative to the engagement with serrations 17 of end portion 19 of seat 21 and tightening screw 27. Screw 27 can be loosened to permit the serrations 15 to ride over serrations 17 to a desired position and the screw 27 tightened.
  • the handle 3 with its handle assembly has a built-in stable grip.
  • the handle and handle assembly allow positive positioning of the tennis racket during any type of stroke.
  • the tennis player can achieve an accurately constant position with respect to his hand without paying too much attention and concern to his grip allowing concentration to the ball and the game.
  • the flat elliptical cross-section of the handle 3 and the padded support member 11 make it easy for the player to lock his grip around the longitudinal axis of the handle 3 and to maintain thereby a constant grip.
  • the padded support member 11 prevents outward slipping of the racket due to the centrifugal force effected by a fast stroke action. And the padded support member 11 provides the additional stabilizing point required at the inner section of the hand grip, thus preventing the opening of a gap between the palm and the handle when accomplishing a fast forehand drive. Accordingly, the grip of the tennis player will be stable throughout the whole width of the hand.
  • a handle for a tennis racket having adjustably positionable therewith a handle assembly; said handle assembly including an L-shaped support member, seat, screw and nut; said handle having a cylindrical insert inserted in the rear of said handle, said L-shaped support member being attached to said seat by said screw and nut, said cylindrical insert attachably receiving therein said seat whereby one leg of said L-shaped support member is parallel to said handle and the other leg of said L- shaped support member is perpendicular to said handle, said seat being slidable within said cylindrical insert, a portion of said seat being slotted, said nut being disposed interiorly of said seat at said slotted portion of said seat, said screw engaging said nut, said screw and nut therebetween carrying said L-shaped support member, said slotted portion of said seat being in locking engagement with said cylindrical insert upon said nut radially expanding said slotted portion, said support member thusly being discretely movable and positionable in longitudinal, radial and/ or translatory directions relative to the longitudinal axis of said handle.

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  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
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Description

Aug. 31, 1965 P. s. BERZATZY 3,203,597
STABLE GRIP TENNIS RACKET HANDLE Filed Feb. 6, 1963 INVENTOR. PAUL G. BER ZATZY United States Patent 0 3,293,697 STABLE GR TENNIS RACKET HANDLE Paul G. Berzatzy, 231 N. Robinson St, Schenectady, N.Y. Filed Feh. 6, 1963, Ser. No. 256,704 4 Claims. (Cl. 27375) This invention relates to a tennis racket handle.
The problems in the art to which this invention appertains are the need for a tennis racket handle that will not slip in a circular direction within the hand; the need for a handle that will not fly out of the hand due to the centrifugal force arising out of a fast and powerful stroke; the need for a handle that will permit the racket to be held in a constant position; the need for a handle that will permit of manipulation of the racket by a player having a weak grip; the need for a handle that can be comfortably gripped by the player; the need for a handle which will help eliminate blisters and calluses on the players hand; the need for a handle assembly that is adjustable in a longitudinal direction relative to the longitudinal axis of the handle; the need for a handle assembly that is adjustable in a radial direction relative to the longitudinal axis of the handle; and a handle assembly having a support member for the hand that is adjustable in radial directions relative to the longitudinal axis of the handle.
In understanding the contribution to the art of this invention, it would be helpful to digress and delineate some of the disadvantages of the conventional tennis racket handle. The conventional handle has a circular or semicircular cross section which varies from circular to octagonal or hexagonal shape.
This type of bar handle allows the racket to slip in a circular direction within the hand and also allows the racket to fly out of the hand due to the centrifugal force of a fast stroke. The conventional handle does not afford a constant racket position with respect to the hand of the tennis player because of its cross-sectional configuration. Accordingly, with the speed of play, concentration of foot movement and on the position on the court with which the mind of the tennis player is occupied, the tennis player must rely on instinct and experience for purposes of racket position and these factors usually result in the incorrect position of the racket during the stroke. The players grip on the handle is quite unstable during a forehand drive for a hand which is not strong and powerful. This factor is attributable to the circumference of the crosssection of a conventional handle being approximately 4 /2 inches. With the fingers and thumb Wrapped around the handle, the grip around the outer section of the hand defined by the thumb and forefinger is stable inasmuch as the thumb and forefinger together can overlap the circumference of the handle; however, the grip is unstable at the inner section of the hand defined by the little finger because the little finger alone cannot overlap the circumference of the handle. Consequently, the grip of a less than powerful hand can loosen and open a gap between the palm and the handle at the inner section of the hand during an attempted fast forehand drive.
Therefore, it is an object of this invention to provide a tennis racket handle that will not slip in a circular direction with the hand.
It is another object of this invention to provide a tennis racket handle that will not fly out of the hand due to the centrifugal force that arises out of a fast and powerful stroke.
A further object of the invention is to provide a tennis racket handle that will permit the racket to be held in a constant position.
A still further object of this invention is to provide a tennis racket handle that will permit of manipulation by a player having a weak grip.
Another object of this invention is to provide a tennis racket handle that can be comfortably gripped by the player.
A further object of the invention is to provide a tennis racket handle which will help eliminate blisters and calluses on the players hand.
A still further object of the invention is to provide a tennis racket handle that has a handle assembly adjustable in a longitudinal direction relative to the longitudinal axis of the handle.
Another object of the invention is to provide a tennis racket handle that has a handle assembly adjustable in a radial direction relative to the longitudinal axis of the handle.
A still further object of the invention is to provide a tennis racket handle with a handle assembly having a support member for the hand that is adjustable in radial directions relative to the longitudinal axis of the handle.
These and other objects of the invention should be appreciated from the detailed specification taken in conjunction with the drawings, wherein like reference numerals refer to similar parts throughout the several views, in which:
FIG. 1 is a view of the invention wherein the handle is shown gripped by a player;
FIG. 2 is a partial sectional view taken along the line 2-2 of FIG. 1;
FIG. 3 is a sectional view taken along the line 33 of FIG. 2.
Reference numeral 1 generally refers to the invention having a wooden handle 3 having rounded end portions and conformable to the flat palm portion of the hand and whose longitudinal axis is tilted at an angle alpha of approximately 2 /2 degrees relative to the longitudinal axis of the racket itself. Understandably, the flat elliptical configuration of the handle permits of easier gripping and manipulation by the player. The grip of the players hand on the handle 3, as shown in FIG. 1, is known as the continental grip. In the continental grip, the longitudinal axis of the tennis racket is raised upwardly in comparison to the longitudinal axis maintained on the tennis racket in the eastern grip. This angular upward movement of the tennis racket is compensated for by the angular declination alpha of the longitudinal axis of the handle 3 relative to the longitudinal axis of the racket itself. To provide maximum stability of the hand in the gripping of the racket handle 3, one should ultilize the continental grip.
A hole 5 suitably formed in the outward end of handle 3 receives therein a metal cylindrical insert 7 open at the outward end, as shown. Cylindrical insert 7 is suitably secured to the wooden handle 3 by a suitable metal through pin 9.
An L-shaped support member 11 of light metal is padded over the inside surface of member 11 as indicated at 13 with the padding suitably covered by non-irritating material. The inside padded surface of member 11 rests against the players hand as shown and is adjustable for the comfort of the player and use of same while playing as will be hereinafter described.
It should be appreciated that the stability of the individuals grip on a tennis racket handle varies from a condition of instability from the inner section of his hand defined by the little finger to a condition of stability at the outer section of the hand defined by the thumb and forefinger. Accordingly, ith reference to and as shown by FIGS. 1 and 2, it should be noted and appreciated that the construction of the support member 11, and the arrangement and disposition of the support member 11, is an added stability factor in addition to the flat elliptical handle 3 because the support member it rests or abuts against the exterior lateral portion of the proximal phalanx of the little finger, rests or abuts against the upper peripheral portion of the proximal phalanx of the little finger, rests or abuts against the upper peripheral portion of the proximal phalanx of the ring finger, rests or abuts against the exterior lateral portion of the fifth metacarpal, rests or abuts against the upper peripheral portion of the fifth metacarpal, rests or abuts against the upper peripheral portion of the fourth metacarpal, thereby providing stability and strength to the individuals grip where most needed.
Serrations formed on the inside surface of a leg of member 11 engage complemental serrations 17 formed on the end portion 19 of seat 21 slidable within insert 7. In excess of one-third of the longitudinal dimension of cylindrical seat 21 is slotted as indicated at 23 to permit thereby radial expansion of this slotted portion 23 of seat 21 and locking engagement by engagement of the periphery of the slotted portion 23 with the inside surface of insert 7 effected upon inward movement and engagement interiorly by nut 25 configured in the shape of a truncated right circular cone with the interior surface of the slotted portion of the seat of which a substantial portion is complemental to the truncated shape of the nut 25.
A cap screw 27 extends through an oversized hole 29 formed in member 11, the hole formed in seat 21 and engages the nut 25, as shown. A thrust washer 31 is interposed between head of screw 27 and the outer surface of one of the legs of member 11.
The term handle assembly referred to herein and in the claims comprises member 11, seat 21., nut 25, screw 27 and thrust washer 31.
The handle assembly is positionable in a longitudinal direction relative to the longitudinal axis of handle 3 by loosening screw 27, movement of the handle assembly in the longitudinal direction and tightening of screw 27 until the handle assembly is locked. The handle assembly is positionable in a radial direction relative to the longitudinal axis of handle 3 by similarly loosening screw 27, rotating the handle assembly and tightening screw 27 until the handle assembly is locked. Also the support member 11 may be adjustably positioned in a radial direction, and which movement and positioning may also be referred to as a translatory relationship, by loosening screw 27 sufficiently to allow movement of serrations 15 of member 11 along and relative to the engagement with serrations 17 of end portion 19 of seat 21 and tightening screw 27. Screw 27 can be loosened to permit the serrations 15 to ride over serrations 17 to a desired position and the screw 27 tightened.
It should be appreciated that the handle 3 with its handle assembly has a built-in stable grip. The handle and handle assembly allow positive positioning of the tennis racket during any type of stroke. The tennis player can achieve an accurately constant position with respect to his hand without paying too much attention and concern to his grip allowing concentration to the ball and the game. The flat elliptical cross-section of the handle 3 and the padded support member 11 make it easy for the player to lock his grip around the longitudinal axis of the handle 3 and to maintain thereby a constant grip.
The padded support member 11 prevents outward slipping of the racket due to the centrifugal force effected by a fast stroke action. And the padded support member 11 provides the additional stabilizing point required at the inner section of the hand grip, thus preventing the opening of a gap between the palm and the handle when accomplishing a fast forehand drive. Accordingly, the grip of the tennis player will be stable throughout the whole width of the hand.
It is within the concept of this invention to utilize this invention for other sports equipment where the needs arise for problems encountered in gripping similar to the problems of the tennis racket.
Having thusly described my invention, I claim:
1. A handle for a tennis racket having adjustably positionable therewith a handle assembly; said handle assembly including an L-shaped support member, seat, screw and nut; said handle having a cylindrical insert inserted in the rear of said handle, said L-shaped support member being attached to said seat by said screw and nut, said cylindrical insert attachably receiving therein said seat whereby one leg of said L-shaped support member is parallel to said handle and the other leg of said L- shaped support member is perpendicular to said handle, said seat being slidable within said cylindrical insert, a portion of said seat being slotted, said nut being disposed interiorly of said seat at said slotted portion of said seat, said screw engaging said nut, said screw and nut therebetween carrying said L-shaped support member, said slotted portion of said seat being in locking engagement with said cylindrical insert upon said nut radially expanding said slotted portion, said support member thusly being discretely movable and positionable in longitudinal, radial and/ or translatory directions relative to the longitudinal axis of said handle.
2. A handle in accordance with claim 1, wherein said support member and seat have serrations efiecting upon mutual engagement translatory movement and positioning of said support member relative to said handles longitudinal axis.
3. A handle in accordance with claim 1, wherein said handle in cross-section is of fiat elliptical configuration.
4. A handle in accordance with claim 1, wherein said handle is tilted at an angle of 2 /2 degrees relative to the longitudinal axis of said tennis racket.
References Cited by the Examiner UNITED STATES PATENTS 760,161 5/04 Smith 273 739,450 9/22 Schnek 27373 2,780,464 2/57 Ashley 273--165 2,938,728 5/60 Green 273-81 X 3,084,938 4/63 Kapanowski 273-165 X 3,109,653 11/63 Biggs 273165 FOREIGN PATENTS 1,929 1888 Great Britain. 294,791 8/28 Great Britain.
RICHARD C. PINKHAM, Primary Examiner.
DELBERT B. LOWE, Examiner.

Claims (1)

1. A HANDLE FOR A TENNIS RACKET HAVING ADJUSTABLY POSITIONABLE THEREWITH A HANDLE ASSEMBLY; SAID HANDLE ASSMEBLY INCLUDING AN L-SHAPED SUPORT MEMBER, SEAT, SCREW AND NUT; SAID HANDLE HAVING A CYLINDRICAL INSERT INSERTED IN THE REAR OF SAID HANDLE, SAID L-SHAPED SUPPORT MEMBER BEING ATTACHED TO SAID SEAT BY SAID SCREW AND NUT, SAID CYLINDRICAL INSERT ATTACHABLY RECEIVING THEREIN SAID SEAT WHEREBY ONE LEG OF SAID L-SHAPED SUPPORT MEMBER IS PARALLEL TO SAID HANDLE AND THE OTHER LEG OF SAID LSHAPED SUPPORT MEMBER IS PERPENDICULAR TO SAID HANDLE, SAID SEAT BEING SLIDABLE WITHIN SAID CYLINDRICAL INSERT, A PORTION OF SAID SEAT BEING SLOTTED, SAID NUT BEING DISPOSED INTERIORLY OF SAID SEAT AT SAID SLOTTED PORTION OF SAID SEAT, SAID SCREW ENGAGING SAID NUT, SAID SCREW AND NUT THEREBETWEEN CARRYING SAID L-SHAPED SUPPORT MEMBER, SAID SLOTTED PORTION OF SAID SEAT BEING IN LOCKING ENGAGEMENT WITH SAID CYLINDRICAL INSERT UPON SAID NUT RADIALLY EXPANDING SAID SLOTTED PORTION, SAID SUPPORT MEMBER THUSLY BEIHG DISCRETELY MOVABLY AND POSITIONABLE IN LONGITUDINAL, RADIAL AND/OR TRANSLATORY DIRECTIONS RELATIVE TO THE LONGITUDINAL AXIS OF SAID HANDLE.
US256704A 1963-02-06 1963-02-06 Stable grip tennis racket handle Expired - Lifetime US3203697A (en)

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Cited By (42)

* Cited by examiner, † Cited by third party
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US3469839A (en) * 1966-09-20 1969-09-30 Joseph A Pietronuto Baseball bat choke device
US3534960A (en) * 1969-02-19 1970-10-20 Fletcher Hanks Rotatable handle for tennis racket
DE2162932A1 (en) * 1971-01-04 1972-07-20 Berzatzy, Paul G, Schenectady, N Y (V St A ) Tennis racket accessory
US3693973A (en) * 1970-08-20 1972-09-26 Willard Harvey Wattenburg Tennis stroke training device
US4101125A (en) * 1975-11-12 1978-07-18 George Heath Adjustable tennis racket
US4147348A (en) * 1975-12-17 1979-04-03 Lee J Kelly Tennis racket providing increased hitting power
US4149721A (en) * 1977-05-09 1979-04-17 Strickland Gordon E Replaceable grip piece for racket
US4183528A (en) * 1978-01-26 1980-01-15 An Benjamin J Natural physiological grip for game rackets
US4226418A (en) * 1978-11-20 1980-10-07 Balfour Ronald S Game racket hand grip
US4365807A (en) * 1980-07-31 1982-12-28 Melby Phillip J Golf club including rotatable grip
US4374589A (en) * 1977-05-09 1983-02-22 Strickland Gordon E Handle for tennis racket with anti-torsion grip portion
EP0074339A1 (en) * 1981-09-04 1983-03-16 Carlo Gibello Tennis racket
US4709925A (en) * 1984-12-17 1987-12-01 Gatlin C Elmon Tactile training device for a tennis racket handle
US4720106A (en) * 1986-04-16 1988-01-19 Bickham Lane A Vibration dampening device for attachment to a racket
US4743021A (en) * 1986-06-19 1988-05-10 Gonzales Jr Frank Sports racket having arcuately curved handle
FR2623092A1 (en) * 1987-11-12 1989-05-19 Machenaud Jean Claude Tennis-racket shaft with a grip with angulations, flared parts and anchoring slot for the fingers
US4850079A (en) * 1988-09-14 1989-07-25 Thompson Franklin B Fatigue-reducing handle grip and handle attachment for same
US4943058A (en) * 1988-09-21 1990-07-24 Italo Carbonetti Tennis racket with fixed grip and movable frame
US5018734A (en) * 1987-05-13 1991-05-28 Allsop John R Grip locating apparatus for sporting article handle
US5143375A (en) * 1991-04-16 1992-09-01 Wilkins Judd R Golf club finger support device
US5163685A (en) * 1991-10-16 1992-11-17 Rhodes Stephen B Sports grip training device
US5257782A (en) * 1992-02-18 1993-11-02 Schicketanz J Scott Racket grip-enhancing device
US5366218A (en) * 1992-09-28 1994-11-22 Gong Shao Wei Tennis racket
US5413339A (en) * 1994-03-03 1995-05-09 Martin; Dennis J. Rotating golf club handle
US5412839A (en) * 1994-01-07 1995-05-09 General Electric Company Soft touch appliance handle assembly
US6059675A (en) * 1997-07-23 2000-05-09 Finn; Daniel E. Baseball batting system for abating accidental release of a bat from a player's hand following a swing
US6152831A (en) * 1998-10-13 2000-11-28 Arcenas; Rafael T. Handlocking method of increasing a golf club's rotational force
US6261188B1 (en) * 2000-01-20 2001-07-17 Mark Badura Expandable baton with handle grip cap
US6321417B1 (en) * 2000-06-21 2001-11-27 Genlyte Thomas Group Llc Ergonomical tool handle
US6482113B1 (en) * 1997-07-23 2002-11-19 Daniel E. Finn Baseball batting system for abating accidental release of a bat from a player's hand following a swing
WO2004090462A1 (en) * 2003-04-08 2004-10-21 Clausen Daniel Protective frame
US20070068912A1 (en) * 2005-09-23 2007-03-29 Lincoln Global, Inc. Ergonomic handle attachment with adjustment feature
US20070068333A1 (en) * 2005-08-30 2007-03-29 Ken Hunter Design Inc. Flat handlebar grips
US20090258734A1 (en) * 2008-04-15 2009-10-15 Honor Life, Inc. Batter training device and method
US8323130B1 (en) 2011-08-11 2012-12-04 Wilson Sporting Goods Co. Racquet handle assembly including a plurality of support members
US8449411B2 (en) 2011-08-11 2013-05-28 Wilson Sporting Goods Co. Racquet handle assembly including a plurality of support members
US8602925B1 (en) * 2010-03-29 2013-12-10 James Franklin Rickon, Jr. Grip training device
US9205315B2 (en) * 2014-02-25 2015-12-08 Michael J. McNulty Lacrosse stick with teaching aid
US20160166901A1 (en) * 2014-12-15 2016-06-16 Daniel J. Grady, JR. Method and Apparatus for Increased Swing Velocity, Hand Speed, and Time to Impact When Swinging Weighted Equipment
US20200047042A1 (en) * 2018-08-09 2020-02-13 Lock-In Golf Grip, Llc Golf training aid
USD931966S1 (en) * 2020-02-21 2021-09-28 Hunter Carey Bat grip
US11857854B2 (en) 2021-12-09 2024-01-02 Paolo Angelelli Handle extension

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US760161A (en) * 1903-03-09 1904-05-17 Harrison Brooks Smith Golf-club.
GB294791A (en) * 1927-09-15 1928-08-02 Walter George Morrison Improvements in racquet handles
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US2938728A (en) * 1958-08-05 1960-05-31 Green Barney Golf club attachment
US3084938A (en) * 1962-03-26 1963-04-09 Edward C Kapanowski Safety handgrip
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US760161A (en) * 1903-03-09 1904-05-17 Harrison Brooks Smith Golf-club.
GB294791A (en) * 1927-09-15 1928-08-02 Walter George Morrison Improvements in racquet handles
US2780464A (en) * 1954-01-04 1957-02-05 Merwin F Ashley Grip attachments for golf clubs
US2938728A (en) * 1958-08-05 1960-05-31 Green Barney Golf club attachment
US3109653A (en) * 1961-01-23 1963-11-05 Biggs Stanley Champion Hand grip for a golfer's putter
US3084938A (en) * 1962-03-26 1963-04-09 Edward C Kapanowski Safety handgrip

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469839A (en) * 1966-09-20 1969-09-30 Joseph A Pietronuto Baseball bat choke device
US3534960A (en) * 1969-02-19 1970-10-20 Fletcher Hanks Rotatable handle for tennis racket
US3693973A (en) * 1970-08-20 1972-09-26 Willard Harvey Wattenburg Tennis stroke training device
JPS5651785B1 (en) * 1971-01-04 1981-12-08
DE2162932A1 (en) * 1971-01-04 1972-07-20 Berzatzy, Paul G, Schenectady, N Y (V St A ) Tennis racket accessory
US3712618A (en) * 1971-01-04 1973-01-23 P Berzatzy Tennis racket attachment
US4101125A (en) * 1975-11-12 1978-07-18 George Heath Adjustable tennis racket
US4147348A (en) * 1975-12-17 1979-04-03 Lee J Kelly Tennis racket providing increased hitting power
US4374589A (en) * 1977-05-09 1983-02-22 Strickland Gordon E Handle for tennis racket with anti-torsion grip portion
US4149721A (en) * 1977-05-09 1979-04-17 Strickland Gordon E Replaceable grip piece for racket
US4183528A (en) * 1978-01-26 1980-01-15 An Benjamin J Natural physiological grip for game rackets
US4226418A (en) * 1978-11-20 1980-10-07 Balfour Ronald S Game racket hand grip
US4365807A (en) * 1980-07-31 1982-12-28 Melby Phillip J Golf club including rotatable grip
EP0074339A1 (en) * 1981-09-04 1983-03-16 Carlo Gibello Tennis racket
US4709925A (en) * 1984-12-17 1987-12-01 Gatlin C Elmon Tactile training device for a tennis racket handle
US4720106A (en) * 1986-04-16 1988-01-19 Bickham Lane A Vibration dampening device for attachment to a racket
US4743021A (en) * 1986-06-19 1988-05-10 Gonzales Jr Frank Sports racket having arcuately curved handle
US5018734A (en) * 1987-05-13 1991-05-28 Allsop John R Grip locating apparatus for sporting article handle
FR2623092A1 (en) * 1987-11-12 1989-05-19 Machenaud Jean Claude Tennis-racket shaft with a grip with angulations, flared parts and anchoring slot for the fingers
US4850079A (en) * 1988-09-14 1989-07-25 Thompson Franklin B Fatigue-reducing handle grip and handle attachment for same
US4943058A (en) * 1988-09-21 1990-07-24 Italo Carbonetti Tennis racket with fixed grip and movable frame
US5143375A (en) * 1991-04-16 1992-09-01 Wilkins Judd R Golf club finger support device
US5163685A (en) * 1991-10-16 1992-11-17 Rhodes Stephen B Sports grip training device
WO1993007936A1 (en) * 1991-10-16 1993-04-29 Rhodes Stephen B Sports grip training device
US5257782A (en) * 1992-02-18 1993-11-02 Schicketanz J Scott Racket grip-enhancing device
US5366218A (en) * 1992-09-28 1994-11-22 Gong Shao Wei Tennis racket
US5412839A (en) * 1994-01-07 1995-05-09 General Electric Company Soft touch appliance handle assembly
US5413339A (en) * 1994-03-03 1995-05-09 Martin; Dennis J. Rotating golf club handle
US6059675A (en) * 1997-07-23 2000-05-09 Finn; Daniel E. Baseball batting system for abating accidental release of a bat from a player's hand following a swing
US6482113B1 (en) * 1997-07-23 2002-11-19 Daniel E. Finn Baseball batting system for abating accidental release of a bat from a player's hand following a swing
US6152831A (en) * 1998-10-13 2000-11-28 Arcenas; Rafael T. Handlocking method of increasing a golf club's rotational force
US6261188B1 (en) * 2000-01-20 2001-07-17 Mark Badura Expandable baton with handle grip cap
US6321417B1 (en) * 2000-06-21 2001-11-27 Genlyte Thomas Group Llc Ergonomical tool handle
WO2004090462A1 (en) * 2003-04-08 2004-10-21 Clausen Daniel Protective frame
US20070068333A1 (en) * 2005-08-30 2007-03-29 Ken Hunter Design Inc. Flat handlebar grips
WO2007040584A3 (en) * 2005-09-23 2007-09-20 Lincoln Global Inc Ergonomic handle attachment with adjustment feature
WO2007040584A2 (en) * 2005-09-23 2007-04-12 Lincoln Global, Inc. Ergonomic handle attachment with adjustment feature
US20070068912A1 (en) * 2005-09-23 2007-03-29 Lincoln Global, Inc. Ergonomic handle attachment with adjustment feature
US7446280B2 (en) 2005-09-23 2008-11-04 Lincoln Global, Inc. Ergonomic handle attachment with adjustment feature
US20090258734A1 (en) * 2008-04-15 2009-10-15 Honor Life, Inc. Batter training device and method
US8602925B1 (en) * 2010-03-29 2013-12-10 James Franklin Rickon, Jr. Grip training device
US8449411B2 (en) 2011-08-11 2013-05-28 Wilson Sporting Goods Co. Racquet handle assembly including a plurality of support members
US8323130B1 (en) 2011-08-11 2012-12-04 Wilson Sporting Goods Co. Racquet handle assembly including a plurality of support members
US9205315B2 (en) * 2014-02-25 2015-12-08 Michael J. McNulty Lacrosse stick with teaching aid
US20160166901A1 (en) * 2014-12-15 2016-06-16 Daniel J. Grady, JR. Method and Apparatus for Increased Swing Velocity, Hand Speed, and Time to Impact When Swinging Weighted Equipment
US9550100B2 (en) * 2014-12-15 2017-01-24 Daniel J. Grady, JR. Method and apparatus for increased swing velocity, hand speed, and time to impact when swinging weighted equipment
US20200047042A1 (en) * 2018-08-09 2020-02-13 Lock-In Golf Grip, Llc Golf training aid
US10702754B2 (en) * 2018-08-09 2020-07-07 Lock-In Golf Grip, Llc Golf training aid
USD931966S1 (en) * 2020-02-21 2021-09-28 Hunter Carey Bat grip
US11857854B2 (en) 2021-12-09 2024-01-02 Paolo Angelelli Handle extension

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