CA1133238A - String pre-stretching apparatus and method for racket-stringing machine - Google Patents
String pre-stretching apparatus and method for racket-stringing machineInfo
- Publication number
- CA1133238A CA1133238A CA345,526A CA345526A CA1133238A CA 1133238 A CA1133238 A CA 1133238A CA 345526 A CA345526 A CA 345526A CA 1133238 A CA1133238 A CA 1133238A
- Authority
- CA
- Canada
- Prior art keywords
- string
- tension
- carriage
- arm
- brake
- 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
- 238000000034 method Methods 0.000 title claims abstract description 4
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 206010043268 Tension Diseases 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241000905957 Channa melasoma Species 0.000 description 1
- POSKOXIJDWDKPH-UHFFFAOYSA-N Kelevan Chemical compound ClC1(Cl)C2(Cl)C3(Cl)C4(Cl)C(CC(=O)CCC(=O)OCC)(O)C5(Cl)C3(Cl)C1(Cl)C5(Cl)C42Cl POSKOXIJDWDKPH-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000007 visual effect Effects 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
- A63B51/00—Stringing tennis, badminton or like rackets; Strings therefor; Maintenance of racket strings
- A63B51/14—Arrangements for stringing, e.g. for controlling the tension of the strings during stringing
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Stringed Musical Instruments (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Basic Packing Technique (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/011,145 US4249732A (en) | 1979-02-12 | 1979-02-12 | String pre-stretching apparatus and method for racket stringing machine |
| US11,145 | 1979-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1133238A true CA1133238A (en) | 1982-10-12 |
Family
ID=21749071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA345,526A Expired CA1133238A (en) | 1979-02-12 | 1980-02-12 | String pre-stretching apparatus and method for racket-stringing machine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4249732A (ref) |
| EP (1) | EP0024079B1 (ref) |
| JP (1) | JPS55501170A (ref) |
| AU (1) | AU534183B2 (ref) |
| CA (1) | CA1133238A (ref) |
| DE (1) | DE3068334D1 (ref) |
| WO (1) | WO1980001649A1 (ref) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4417729A (en) * | 1982-02-26 | 1983-11-29 | Prince Manufacturing, Inc. | Racket stringing apparatus |
| DE3835192A1 (de) * | 1988-10-15 | 1990-04-19 | Korte Jungermann Hans Werner | Verfahren zur bespannung von schlaegern fuer ballspiele sowie vorrichtung zur durchfuehrung des verfahrens |
| US5820500A (en) * | 1994-05-03 | 1998-10-13 | Raos; Davor | Non-rotating racquet and stringing machine and method |
| TW200829310A (en) * | 2007-01-09 | 2008-07-16 | zai-tian Li | Height adjustment device for line stretcher head of racket threader |
| TW200838583A (en) * | 2007-03-30 | 2008-10-01 | zai-tian Li | Height adjustment device of wire strainer for wire pulling head of racket stringing machine |
| CN100569320C (zh) * | 2007-07-06 | 2009-12-16 | 李俊杰 | 球拍穿线机的拉线机头的拉线器高度调节装置 |
| US7485055B1 (en) * | 2007-08-23 | 2009-02-03 | Min-Wei Lee | String clamping device |
| RU2392024C2 (ru) * | 2008-04-28 | 2010-06-20 | Громов Виктор Николаевич | Способ натяжки теннисной струны на ракетку |
| US9067111B2 (en) * | 2013-04-22 | 2015-06-30 | Vaclav Zdrazila | Racket stringing machine |
| US11666963B1 (en) | 2022-12-21 | 2023-06-06 | Joseph Anthony Zarola | Guitar string stretching assembly |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1545314A (en) * | 1923-06-29 | 1925-07-07 | Gower Francis William | Mode of or means for assembling and tensioning the wire striking faces of metallic rackets and the like |
| GB314595A (en) * | 1928-03-05 | 1929-07-04 | Lindsay Archibald Caldwell | Improvements in or relating to means for use in the stringing of tennis and other racquets |
| GB402593A (en) * | 1932-06-18 | 1933-12-07 | Wilhelm Hermann Conrad Enno Ro | Improvements relating to the stringing of lawn tennis and like rackets |
| US2154870A (en) * | 1936-06-10 | 1939-04-18 | Edmundo H Serrano | Apparatus for stringing tennis rackets |
| US2118164A (en) * | 1937-08-25 | 1938-05-24 | Us Rubber Prod Inc | Racket string |
| NL53445C (ref) * | 1938-11-02 | |||
| US2861417A (en) * | 1954-06-16 | 1958-11-25 | Ashaway Line & Twine Mfg | Manufacture of strings and the construction thereof |
| US2971760A (en) * | 1958-01-10 | 1961-02-14 | Boykin Mary Morris | Apparatus for stringing tennis rackets and the like |
| US3469001A (en) * | 1965-10-08 | 1969-09-23 | Du Pont | Process for making polyester cord for no-reset v-belts |
| US3441275A (en) * | 1967-03-03 | 1969-04-29 | Franklin W Held | Racket stringer |
| US3635080A (en) * | 1968-05-31 | 1972-01-18 | Court & Slope Inc | Racket-stringing machine with automatic locking |
| JPS4841783B1 (ref) * | 1969-10-08 | 1973-12-08 | ||
| CH596850A5 (ref) * | 1974-09-09 | 1978-03-31 | Malmstroem Sven Erik | |
| US3994495A (en) * | 1975-09-22 | 1976-11-30 | Stoffel Robert W | Tennis racket |
| US3964291A (en) * | 1975-10-02 | 1976-06-22 | Ogden John M | Tennis racquet stringing calibrator |
| FR2327803A1 (fr) * | 1975-10-13 | 1977-05-13 | Babolat Maillot Witt | Machine a corder les raquettes a reglage electronique |
| DE2805066C2 (de) * | 1977-02-10 | 1987-04-30 | Fischer Ges.m.b.H., Ried | Verfahren zur Herstellung von Bespannungssaiten aus Kunststoff für Ballschläger |
| US4168606A (en) * | 1977-05-31 | 1979-09-25 | The Goodyear Tire & Rubber Company | Process for forming string |
| US4140316A (en) * | 1977-08-26 | 1979-02-20 | Coupar Robert B | Tennis racquet |
| US4183200A (en) * | 1977-10-03 | 1980-01-15 | Pepsico, Inc. | Tennis racket string |
| US4156525A (en) * | 1977-10-03 | 1979-05-29 | Parnell Paul E | Racket stringing apparatus |
-
1979
- 1979-02-12 US US06/011,145 patent/US4249732A/en not_active Expired - Lifetime
-
1980
- 1980-02-07 DE DE8080900390T patent/DE3068334D1/de not_active Expired
- 1980-02-07 WO PCT/US1980/000131 patent/WO1980001649A1/en not_active Ceased
- 1980-02-07 JP JP50054880A patent/JPS55501170A/ja active Pending
- 1980-02-08 AU AU55347/80A patent/AU534183B2/en not_active Ceased
- 1980-02-12 CA CA345,526A patent/CA1133238A/en not_active Expired
- 1980-08-25 EP EP80900390A patent/EP0024079B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| WO1980001649A1 (en) | 1980-08-21 |
| AU5534780A (en) | 1980-08-21 |
| EP0024079B1 (en) | 1984-06-27 |
| AU534183B2 (en) | 1984-01-12 |
| EP0024079A4 (en) | 1982-01-11 |
| EP0024079A1 (en) | 1981-02-25 |
| JPS55501170A (ref) | 1980-12-25 |
| US4249732A (en) | 1981-02-10 |
| DE3068334D1 (en) | 1984-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |