CA1231354A - Racket having a longitudinally slidable grip shell - Google Patents
Racket having a longitudinally slidable grip shellInfo
- Publication number
- CA1231354A CA1231354A CA000457662A CA457662A CA1231354A CA 1231354 A CA1231354 A CA 1231354A CA 000457662 A CA000457662 A CA 000457662A CA 457662 A CA457662 A CA 457662A CA 1231354 A CA1231354 A CA 1231354A
- Authority
- CA
- Canada
- Prior art keywords
- racket
- racket according
- wedge
- guide
- grip
- 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
Links
Classifications
-
- 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
-
- 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
- A63B60/22—Adjustable handles
- A63B60/28—Adjustable handles with adjustable length
-
- 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
- A63B60/54—Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Golf Clubs (AREA)
- Fishing Rods (AREA)
- Laminated Bodies (AREA)
- Finger-Pressure Massage (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Abstract of the Disclosure A racket, especially a tennis racket, is constructed to be of a normal size, but has a lengthwise adjustable grip to offer the player the opportunity to adapt the length of the racket to his skills and to the development of his hitting arm. For this purpose, a hand-grip sleeve is arranged on a shaft of the racket frame in a longitudinally movable manner.
The position of the grip sleeve can be adjusted via an adjusting screw. On at least one side of the shaft, an imprinted guide is provided that spans at least the range of adjusting movement of the top edge of the grip sleeve.
The position of the grip sleeve can be adjusted via an adjusting screw. On at least one side of the shaft, an imprinted guide is provided that spans at least the range of adjusting movement of the top edge of the grip sleeve.
Description
This invention relates to a racket, especially a tennis racket, of the type having a grip shell that is slid ably adjustable on a shaft of the racket frame.
A racket of this type is disclosed in DUMMY 70 I 618.
In order to arrest the grip sleeve, an oval longitudinal Barlow is provided, on one side, between the grip sleeve and the shaft of the racket, the elliptical major axis of this longitudinal Barlow extending in the separating plane of the grip sleeve and the shaft. A pin that is adapted correspondingly oval in cross section can be inserted into this Barlow. By a rotation of the pin by up to 90, the grip sleeve can be wedged to the shaft by the pin. In this manner, the grip may be shortened from its nor-met length, which is indicated by a marking that is not described in detail. However, because of the hard impacts that occur dun-in play, and the resulting vibrations, a gradual shifting of the grip shell cannot be precluded. Thus, the short length of the grip that was adjusted for a young person, will noticeably be extended toward the normal length, which may result in over-straining of the wrists and the muscles of the arm. Finally, item also happen that the grip sleeve detaches itself completely from the shaft, since the end position cannot be recognized. In this case, the racket may be flung out of the grip sleeve during hitting and other players or other persons or objects may be endangered or damaged.
In this context, the invention , " Jo I
provides a racket of the corresponding type in such a way that a continuous adjustment of the grip sleeve is possible by simple means and that the danger of an unintended independent shifting of the grip sleeve on the shaft or the detaching of the grip sleeve from the shaft is safely avoided. In addition, the intended adjustment of the grip sleeve is able to be checked at any time.
According to the present invention there is provided a racket having a frame with a hand-grip shaft and a hand-grip sleeve which is longitudinally slid able and fixable on the shaft, wherein an adjusting screw device is provided for producing the longitudinal sliding of the hand-grip sleeve in an continuously adjustable manner and for fixing of the hand-grip sleeve in any arbitrary position along the shaft within a range of adjustment and wherein an imprinted guide is located on the shaft spanning at least a range of movement of a top end edge of the grip sleeve during said longitudinal sliding thereof. Desirably the guide has cross bars that are arranged at an equal distance ox 1 mm to 5 mm from one another.
Thus in accordance with the invention, an adjusting screw is used for producing the longitudinal sliding movement and for fixing the position of the hand-grip sleeve, an imprinted marking is used in the vicinity of the top end edge of the hand-grip sleeve.
Thy invention has the special advantage that each player can individually adapt a racket, such as a tennis racket, of a normal size to his or her game, playing method, etc. The imprint, will then serve as an adjustment marking for the length of the grip. Because of the arrangement of the imprint in the adjusting range of the end edge of the grip sleeve, no special display windows have to be provided in the grip sleeve.
In particular embodiments of the present invention the .1 owe- - 2 -~23~
guide has a rectangular shape or a wedge shape. In particular the guide may have two opposed wedge patterns. Suitably one opposed wedge pattern is differently imprinted from the other.
Desirably the difference in imprinting is one of color. Suitably the difference in imprinting is in the nature of cross bars thereon.
In a particular embodiment of the invention tongue means is secured within a recess in a bottom end of the tubular piece and engages within a pyrometric groove within a head of the adjusting screw in a manner precluding longitudinal and radial movement thereof. Suitably a threaded end of the adjusting screw is in threaded engagement with a threaded Barlow located at a bottom end of the hand-grip of the frame. Desirably the hand-grip shaft of the frame is a single bar-like member and said -threaded Barlow is formed in the bottom end thereof.
In a further aspect thereof the present invention provides a racket having a handle sleeve shiftable longitudinally along a shank of the racket and fixable in any position, a marking being provided for at least one position in which the longitudinal shifting and the fixing of the handle sleeve is effected by means of a setting-screw between the handle sleeve and the shank of the racket and the marking extends over at least the range of adjustment of the front and edge of the handle sleeve and is applied to the shank of the racket as at least one of an impression and imprint.
The present invention will be further illustrated by way of the accompanying drawings which show, for purposes of illustration only several embodiments in accordance with the present invention and in which:-. \ - pa -,. I
~7~3~3~
Figure 1 is a handle of a racket according to the invention, as a partial section in top view;
Figure 2 is a wedge-shaped or imprint on the shaft: and Figure 3 is an opposite double-wedge-shaped imprint on the shaft.
A hand-grip shaft of a racket, especially a tennis racket, that is part of a frame that surrounds the strung surface (only the hand-grip shaft of the frame being shown), has the reference number 1. On the end area 2 of said shaft 1, a hand-grip sleeve 3 is guided so that it can be longitudinally slid thrilling. The position of the grip shell 3 can be changed and fixed by means of an adjusting screw 4. This takes place by means of a tongue-and-groove connection between the adjusting screw 4 and the grip sleeve 3 and a threaded guiding of the adjusting screw 4 in a threaded Barlow 5 in the end of the shaft 1. In this regard, while the frame shaft 1 is illustrated as a single bar-like shaft of the type found on wood and molded plastic rackets, this invention is also applicable to rackets formed of bent metal wherein the hand-grip shaft is formed of a pair of rods or tubes, corresponding to the ends of the bent metal piece. In such a case, a plate or block with a threaded Barlow would be attached at the end of the shaft so as to function in an equivalent manner to Barlow 5 in the illustrated shaft 1.
The tongue-and-groove connection, as can be seen in Fig. 1, is provided by a pyrometric groove 6 in the head 7 of the adjusting screw 4 and one or several flange-like tongue means 10 that can be inserted, for ~3~3~
example, into a recess 8 of the bottom end 9 of the hand-grip sleeve 3. The flange-like tongue means may be developed as individual teeth or wall surfaces.
Because of this manner of mounting, the adjusting screw 4 can be turned in the grip sleeve or but it cannot be moved in axial and radial directions. By means of a screwing-in or screwing-out of the adjusting screw 4 in the tapped hole 5, the grip sleeve 3 can be moved longitudinally with respect to the frame shaft 1 and the length of the grip of the racket can be adjusted.
At least in the adjusting area 11 in the vicinity of the top edge 12 of the grip sleeve 3, an imprint 13 produced by engraving, embossing, printing, stamping, labeling or the like), is provided on the shaft 1 which, according to the adjusted position of the grip sleeve 3, is more or less covered by said grip sleeve 3. Advantageously, crossbars 14 are provided in order to obtain a clearer View of the adjusted position of the grip sleeve 3. The distance of the crossbars 14 from one another is expediently between lam and Sum, and the length of the crossbars 14 may possibly, in addition, as shown in Figure 1, progressively decrease in length.
Indicia, also, may expediently by used for marking the balance, i.e., the distribution of weight or the shifting of the center of gravity of the racket.
Therefore, as balancing or weight symbols, for example, from the top to the bottom, using L, LO and M for flown, low medium and Madame, may be used The imprint 13 may be rectangular or square/ or, as shown in Figure 2, wedge- or arrow-shaped, or may, according to Figure 3, have a double-wedge shape, in which case the two wedges 15 and 16 are preferably arranged with their major sides opposing one another ~23~3~!
thus creating rectangle in combination. It is advantageous for the two opposing wedges 15,16 to be imprinted differently, for example, for the one wedge 15 to have cross ribbing and for the other wedge 16 to have longitudinal ribbing and/or to provide each with a different coloration. In addition, ink stamping within recessed indicia (formed such as by engraving or emboss-in) has the advantage that it cannot be worn off very fast.
Even though the main area of application of the invent lion concerns tennis rackets, it may also, advantageously, be used in the case of other types of rackets, such as squash rack-eta, badminton rackets, racquetball rackets, etc.
While the illustrated and described embodiments relate to use of hand-grip sleeve 3 formed of a single tubular piece, it should be appreciated the imprinted adjustment position guide 13 may also be used with adjustable hand-grip sleeves formed from half-shells as shown and described in my co-pending Canadian application 457,657 filed on even date herewith. Likewise, the nature and manner of mounting of tongue means 10 within recess 8 may correspond to that described in said application.
A racket of this type is disclosed in DUMMY 70 I 618.
In order to arrest the grip sleeve, an oval longitudinal Barlow is provided, on one side, between the grip sleeve and the shaft of the racket, the elliptical major axis of this longitudinal Barlow extending in the separating plane of the grip sleeve and the shaft. A pin that is adapted correspondingly oval in cross section can be inserted into this Barlow. By a rotation of the pin by up to 90, the grip sleeve can be wedged to the shaft by the pin. In this manner, the grip may be shortened from its nor-met length, which is indicated by a marking that is not described in detail. However, because of the hard impacts that occur dun-in play, and the resulting vibrations, a gradual shifting of the grip shell cannot be precluded. Thus, the short length of the grip that was adjusted for a young person, will noticeably be extended toward the normal length, which may result in over-straining of the wrists and the muscles of the arm. Finally, item also happen that the grip sleeve detaches itself completely from the shaft, since the end position cannot be recognized. In this case, the racket may be flung out of the grip sleeve during hitting and other players or other persons or objects may be endangered or damaged.
In this context, the invention , " Jo I
provides a racket of the corresponding type in such a way that a continuous adjustment of the grip sleeve is possible by simple means and that the danger of an unintended independent shifting of the grip sleeve on the shaft or the detaching of the grip sleeve from the shaft is safely avoided. In addition, the intended adjustment of the grip sleeve is able to be checked at any time.
According to the present invention there is provided a racket having a frame with a hand-grip shaft and a hand-grip sleeve which is longitudinally slid able and fixable on the shaft, wherein an adjusting screw device is provided for producing the longitudinal sliding of the hand-grip sleeve in an continuously adjustable manner and for fixing of the hand-grip sleeve in any arbitrary position along the shaft within a range of adjustment and wherein an imprinted guide is located on the shaft spanning at least a range of movement of a top end edge of the grip sleeve during said longitudinal sliding thereof. Desirably the guide has cross bars that are arranged at an equal distance ox 1 mm to 5 mm from one another.
Thus in accordance with the invention, an adjusting screw is used for producing the longitudinal sliding movement and for fixing the position of the hand-grip sleeve, an imprinted marking is used in the vicinity of the top end edge of the hand-grip sleeve.
Thy invention has the special advantage that each player can individually adapt a racket, such as a tennis racket, of a normal size to his or her game, playing method, etc. The imprint, will then serve as an adjustment marking for the length of the grip. Because of the arrangement of the imprint in the adjusting range of the end edge of the grip sleeve, no special display windows have to be provided in the grip sleeve.
In particular embodiments of the present invention the .1 owe- - 2 -~23~
guide has a rectangular shape or a wedge shape. In particular the guide may have two opposed wedge patterns. Suitably one opposed wedge pattern is differently imprinted from the other.
Desirably the difference in imprinting is one of color. Suitably the difference in imprinting is in the nature of cross bars thereon.
In a particular embodiment of the invention tongue means is secured within a recess in a bottom end of the tubular piece and engages within a pyrometric groove within a head of the adjusting screw in a manner precluding longitudinal and radial movement thereof. Suitably a threaded end of the adjusting screw is in threaded engagement with a threaded Barlow located at a bottom end of the hand-grip of the frame. Desirably the hand-grip shaft of the frame is a single bar-like member and said -threaded Barlow is formed in the bottom end thereof.
In a further aspect thereof the present invention provides a racket having a handle sleeve shiftable longitudinally along a shank of the racket and fixable in any position, a marking being provided for at least one position in which the longitudinal shifting and the fixing of the handle sleeve is effected by means of a setting-screw between the handle sleeve and the shank of the racket and the marking extends over at least the range of adjustment of the front and edge of the handle sleeve and is applied to the shank of the racket as at least one of an impression and imprint.
The present invention will be further illustrated by way of the accompanying drawings which show, for purposes of illustration only several embodiments in accordance with the present invention and in which:-. \ - pa -,. I
~7~3~3~
Figure 1 is a handle of a racket according to the invention, as a partial section in top view;
Figure 2 is a wedge-shaped or imprint on the shaft: and Figure 3 is an opposite double-wedge-shaped imprint on the shaft.
A hand-grip shaft of a racket, especially a tennis racket, that is part of a frame that surrounds the strung surface (only the hand-grip shaft of the frame being shown), has the reference number 1. On the end area 2 of said shaft 1, a hand-grip sleeve 3 is guided so that it can be longitudinally slid thrilling. The position of the grip shell 3 can be changed and fixed by means of an adjusting screw 4. This takes place by means of a tongue-and-groove connection between the adjusting screw 4 and the grip sleeve 3 and a threaded guiding of the adjusting screw 4 in a threaded Barlow 5 in the end of the shaft 1. In this regard, while the frame shaft 1 is illustrated as a single bar-like shaft of the type found on wood and molded plastic rackets, this invention is also applicable to rackets formed of bent metal wherein the hand-grip shaft is formed of a pair of rods or tubes, corresponding to the ends of the bent metal piece. In such a case, a plate or block with a threaded Barlow would be attached at the end of the shaft so as to function in an equivalent manner to Barlow 5 in the illustrated shaft 1.
The tongue-and-groove connection, as can be seen in Fig. 1, is provided by a pyrometric groove 6 in the head 7 of the adjusting screw 4 and one or several flange-like tongue means 10 that can be inserted, for ~3~3~
example, into a recess 8 of the bottom end 9 of the hand-grip sleeve 3. The flange-like tongue means may be developed as individual teeth or wall surfaces.
Because of this manner of mounting, the adjusting screw 4 can be turned in the grip sleeve or but it cannot be moved in axial and radial directions. By means of a screwing-in or screwing-out of the adjusting screw 4 in the tapped hole 5, the grip sleeve 3 can be moved longitudinally with respect to the frame shaft 1 and the length of the grip of the racket can be adjusted.
At least in the adjusting area 11 in the vicinity of the top edge 12 of the grip sleeve 3, an imprint 13 produced by engraving, embossing, printing, stamping, labeling or the like), is provided on the shaft 1 which, according to the adjusted position of the grip sleeve 3, is more or less covered by said grip sleeve 3. Advantageously, crossbars 14 are provided in order to obtain a clearer View of the adjusted position of the grip sleeve 3. The distance of the crossbars 14 from one another is expediently between lam and Sum, and the length of the crossbars 14 may possibly, in addition, as shown in Figure 1, progressively decrease in length.
Indicia, also, may expediently by used for marking the balance, i.e., the distribution of weight or the shifting of the center of gravity of the racket.
Therefore, as balancing or weight symbols, for example, from the top to the bottom, using L, LO and M for flown, low medium and Madame, may be used The imprint 13 may be rectangular or square/ or, as shown in Figure 2, wedge- or arrow-shaped, or may, according to Figure 3, have a double-wedge shape, in which case the two wedges 15 and 16 are preferably arranged with their major sides opposing one another ~23~3~!
thus creating rectangle in combination. It is advantageous for the two opposing wedges 15,16 to be imprinted differently, for example, for the one wedge 15 to have cross ribbing and for the other wedge 16 to have longitudinal ribbing and/or to provide each with a different coloration. In addition, ink stamping within recessed indicia (formed such as by engraving or emboss-in) has the advantage that it cannot be worn off very fast.
Even though the main area of application of the invent lion concerns tennis rackets, it may also, advantageously, be used in the case of other types of rackets, such as squash rack-eta, badminton rackets, racquetball rackets, etc.
While the illustrated and described embodiments relate to use of hand-grip sleeve 3 formed of a single tubular piece, it should be appreciated the imprinted adjustment position guide 13 may also be used with adjustable hand-grip sleeves formed from half-shells as shown and described in my co-pending Canadian application 457,657 filed on even date herewith. Likewise, the nature and manner of mounting of tongue means 10 within recess 8 may correspond to that described in said application.
Claims (28)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A racket having a frame with a hand-grip shaft and a hand-grip sleeve which is longitudinally slidable and fixable on the shaft, wherein an adjusting screw device is provided for achieving the longitudinal sliding and fixing of the hand-grip sleeve and wherein an imprinted guide is located on the shaft spanning at least a range of movement of a top end edge of the grip sleeve during said longitudinal sliding thereof.
2. A racket according to claim 1, the guide has cross bars that are arranged at an equal distance of 1mm to 5mm from one another.
3. A racket according to claim 2, wherein the guide has a rectangular shape.
4. A racket according to claim 2, wherein the guide has a wedge-shape.
5. A racket according to claim 2, wherein the guide has two opposed wedge patterns,
6. A racket according to claim 5, wherein in one opposed wedge pattern is differently imprinted from the other.
7. A racket according to claim 6, wherein the difference in imprinting is one of color.
8. A racket according to claim 6, wherein the difference in imprinting is in the nature of cross bars thereon.
9. A racket according to claim 1 wherein the guide has a rectangular shape.
10. A racket according to claim 1, wherein the guide has a wedge-shape.
11. A racket according to claim 1, wherein the guide has two opposed wedge patterns.
12. A racket according to claim 11, wherein one opposed wedge pattern is differently imprinted from the other.
13. A racket according to claim 12, wherein the difference in imprinting is one of color.
14. A racket according to claim 3, wherein the guide has two opposed wedge patterns.
15. A racket according to claim 14, wherein one opposed wedge pattern is differently imprinted from the other.
16. A racket according to claim 15, wherein the difference in imprinting is one of color.
17. A racket according to claim 1, wherein the hand-grip sleeve is formed of a single tubular piece.
18. A racket according to claim 17, wherein tongue means is secured within a recess in a bottom end of the tubular piece and engages within a perimetric groove within a head of the adjusting screw in a manner precluding longitudinal and radial movement thereof.
19. A racket according to claim 18, wherein a threaded end of the adjusting screw is in threaded engagement with a threaded borehole located at a bottom end of the hand-grip of the frame.
20. A racket according to claim 19, wherein the hand grip shaft of the frame is a single bar-like member and said threaded borehole is formed in the bottom end thereof.
21. racket according to claim 1, 2 or 3 which is a tennis racket.
22. A racket having a handle sleeve shiftable longitudinally along a shank of the racket and fixable in any position, a marking being provided for at least one position, in which the longitudinal shifting and the fixing of the handle sleeve is effected by means of a setting-screw between the handle sleeve and the shank of the racket and the marking extends over at least the range of adjustment of the front and edge of the handle sleeve and is applied to the shank of the racket as at least one of an impression and imprint.
23. A racket according to claim 22, in which the impression or the imprint exhibit crossbars arranged at equal distances of from 1 mm to 5 mm apart.
24. A racket according to claim 22 or 23, in which the impression or the imprint exhibit a rectangular shape.
25. A racket according to claim 22 or 23, in which the impression exhibits a wedge shape.
26. A racket according to claim 22, in which the impression exhibits a double wedge shape in opposite directions.
27. A racket according to claim 26, in which the one wedge has an impression or imprint or both of another type from the other wedge in the opposite direction.
28. A racket according to claim 26, in which the one wedge is in a different colour from the other wedge in the opposite direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3324141.4 | 1983-07-05 | ||
| DE3324141A DE3324141C1 (en) | 1983-07-05 | 1983-07-05 | Ball racket with longitudinally adjustable grip sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1231354A true CA1231354A (en) | 1988-01-12 |
Family
ID=6203160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000457662A Expired CA1231354A (en) | 1983-07-05 | 1984-06-28 | Racket having a longitudinally slidable grip shell |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0130623B1 (en) |
| JP (1) | JPS6036072A (en) |
| KR (1) | KR850001000A (en) |
| AT (1) | ATE24841T1 (en) |
| AU (1) | AU568659B2 (en) |
| CA (1) | CA1231354A (en) |
| DE (2) | DE8319336U1 (en) |
| ES (1) | ES289152Y (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3324143A1 (en) * | 1983-07-05 | 1985-01-17 | Puma-Sportschuhfabriken Rudolf Dassler Kg, 8522 Herzogenaurach | BALL RACKETS, IN PARTICULAR TENNIS RACKETS |
| DE3332291A1 (en) * | 1983-09-07 | 1985-03-28 | Puma-Sportschuhfabriken Rudolf Dassler Kg, 8522 Herzogenaurach | BALL RACKETS, IN PARTICULAR TENNIS RACKETS |
| US5037097A (en) * | 1988-08-18 | 1991-08-06 | Athletic Alternatives, Inc. | Sports racket |
| JP4732212B2 (en) * | 2006-03-28 | 2011-07-27 | 株式会社東和電機製作所 | Fish collection method and fish collection lamp device used therefor |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7014618U (en) * | 1900-01-01 | Winter H | ||
| US2475927A (en) * | 1945-05-31 | 1949-07-12 | Verderber Joseph | Golf club |
| DE1112435B (en) * | 1957-01-18 | 1961-08-03 | Willy Harnisch | Handle for the stick of a racket, especially a tennis racket |
| AU1155966A (en) * | 1967-09-21 | 1969-03-27 | Stromberg Alexander | Improvements relating to extensible handles for brooms andother articles |
| JPS4934937B1 (en) * | 1969-11-17 | 1974-09-18 | ||
| US3674267A (en) * | 1970-07-08 | 1972-07-04 | Bancroft Racket Co | Adjustable grip for an elongated handle of a game device |
| JPS534475B2 (en) * | 1971-10-28 | 1978-02-17 | ||
| US3833218A (en) * | 1973-03-14 | 1974-09-03 | R Frenkel | Game racket |
| JPS5828666B2 (en) * | 1975-06-26 | 1983-06-17 | ソニー株式会社 | Eizojiyouhousaiseisouchi |
| DE2753192A1 (en) * | 1977-11-29 | 1979-06-07 | Fritzmeier Ag | Tennis racquet with adjustable centre of gravity - has adjustable weight located in hollow inside shaft and moved by guide rod |
| DE3324143A1 (en) * | 1983-07-05 | 1985-01-17 | Puma-Sportschuhfabriken Rudolf Dassler Kg, 8522 Herzogenaurach | BALL RACKETS, IN PARTICULAR TENNIS RACKETS |
| US4691926A (en) * | 1983-09-07 | 1987-09-08 | Puma Ag Rudolf Dassler Sport | Racket, especially a tennis racket, having a grip sleeve with spring elements |
-
1983
- 1983-07-05 DE DE8319336U patent/DE8319336U1/en not_active Expired
- 1983-07-05 DE DE3324141A patent/DE3324141C1/en not_active Expired
-
1984
- 1984-06-28 CA CA000457662A patent/CA1231354A/en not_active Expired
- 1984-07-04 EP EP84107793A patent/EP0130623B1/en not_active Expired
- 1984-07-04 ES ES1984289152U patent/ES289152Y/en not_active Expired
- 1984-07-04 AT AT84107793T patent/ATE24841T1/en not_active IP Right Cessation
- 1984-07-04 AU AU30282/84A patent/AU568659B2/en not_active Ceased
- 1984-07-05 JP JP59138070A patent/JPS6036072A/en active Pending
- 1984-07-05 KR KR1019840003877A patent/KR850001000A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6036072A (en) | 1985-02-25 |
| KR850001000A (en) | 1985-03-14 |
| DE3324141C1 (en) | 1985-01-31 |
| ES289152Y (en) | 1986-10-01 |
| AU568659B2 (en) | 1988-01-07 |
| EP0130623A1 (en) | 1985-01-09 |
| EP0130623B1 (en) | 1987-01-14 |
| ES289152U (en) | 1986-02-16 |
| ATE24841T1 (en) | 1987-01-15 |
| DE8319336U1 (en) | 1985-11-14 |
| AU3028284A (en) | 1985-01-10 |
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