CA1312635C - Tennis racket - Google Patents
Tennis racketInfo
- Publication number
- CA1312635C CA1312635C CA000597005A CA597005A CA1312635C CA 1312635 C CA1312635 C CA 1312635C CA 000597005 A CA000597005 A CA 000597005A CA 597005 A CA597005 A CA 597005A CA 1312635 C CA1312635 C CA 1312635C
- Authority
- CA
- Canada
- Prior art keywords
- bow
- handle
- strip
- tennis racket
- grommet
- 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 - Fee Related
Links
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000004417 polycarbonate Substances 0.000 claims abstract description 9
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 14
- 229910002804 graphite Inorganic materials 0.000 abstract description 14
- 239000010439 graphite Substances 0.000 abstract description 14
- 239000000835 fiber Substances 0.000 abstract description 5
- 230000035939 shock Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 235000009854 Cucurbita moschata Nutrition 0.000 description 1
- 240000001980 Cucurbita pepo Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000143957 Vanessa atalanta Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- -1 graphite/glass Chemical compound 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000020354 squash Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- A63B49/10—Frames made of non-metallic materials, other than wood
-
- 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
- A63B49/022—String guides on frames, e.g. grommets
-
- 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
- A63B60/02—Ballast means for adjusting the centre of mass
-
- 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
- A63B60/14—Coverings specially adapted for handles, e.g. sleeves or ribbons
-
- 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
-
- 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
- A63B60/24—Weighted handles
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Golf Clubs (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19461788A | 1988-05-16 | 1988-05-16 | |
| US07/194,617 | 1988-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1312635C true CA1312635C (en) | 1993-01-12 |
Family
ID=22718268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000597005A Expired - Fee Related CA1312635C (en) | 1988-05-16 | 1989-04-18 | Tennis racket |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0217152U (enrdf_load_html_response) |
| CA (1) | CA1312635C (enrdf_load_html_response) |
| GB (2) | GB2218642A (enrdf_load_html_response) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4037568A1 (de) * | 1990-11-26 | 1992-05-27 | Donnay Int Sa | Tennisschlaeger |
| US5135223A (en) * | 1991-04-15 | 1992-08-04 | You Chin San | Sports racket frame |
| US5133552A (en) * | 1991-11-25 | 1992-07-28 | Lisco, Inc. | Floating yoke piece for a racket |
| JP6906091B1 (ja) * | 2020-07-20 | 2021-07-21 | 株式会社ゴーセン | ラケット用グロメット及びこれを装着したラケット |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702701A (en) * | 1969-08-28 | 1972-11-14 | Maark Corp | Metal tennis racket with plastic throat piece and molded plastic handle |
| US3899172A (en) * | 1969-08-28 | 1975-08-12 | Maark Corp | Tennis racket having improved strength factor |
| US4204681A (en) * | 1978-07-13 | 1980-05-27 | Amf Incorporated | Game ball racket wherein certain racket components are structurally integrated with the racket frame by the string with which the racket is strung |
-
1989
- 1989-04-18 CA CA000597005A patent/CA1312635C/en not_active Expired - Fee Related
- 1989-05-15 GB GB8911094A patent/GB2218642A/en not_active Withdrawn
- 1989-05-16 JP JP1989055377U patent/JPH0217152U/ja active Pending
-
1990
- 1990-08-22 GB GB9018394A patent/GB2236487A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2236487A (en) | 1991-04-10 |
| GB2218642A (en) | 1989-11-22 |
| JPH0217152U (enrdf_load_html_response) | 1990-02-05 |
| GB8911094D0 (en) | 1989-06-28 |
| GB9018394D0 (en) | 1990-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |