US3362238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed change gear mechanism for a bicycle
Assignee: Shimano Inc
•
Filing: 1966-03-25
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Granted: 1968-01-09
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Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Hayashi Kyoji
- 👤 Kimura Takehiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:25
CPC Classifications
B; B62; B62M; B62M25/00; B62M25/02; B62M25/04; B62K; B62K23/00; B62K23/02; B62K23/06; B62M9/00; B62M9/04; B62M9/06; B62M9/10; B62M9/12; B62M9/121; B62M9/124; B62M9/1242; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/2028; Y10T74/20287; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20438; Y10T74/20474; Y10T74/20486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN CONJUNCTION WITH A SPEED CHANGE MECHANISM COMPRISING A MULTISTAGE SPROCKET WHEEL MOUNTED ON ONE END OF A REAR WHEEL AXLE OF A BICYLE AND A CHAIN SHIFTING DEVICE HAVING A SPROCKET WHEEL SUPPORT FRAME ADAPTED TO BE SHIFTED BY MEANS OF A BOWDEN WIRE NORMALLY PULLED IN ONE DIRECTION BY MEANS OF A SPRING, A COMBINATION OF A WINDING DRUM TO WHICH ONE END OF SAID BOWDEN WIRE IS SECURED, A HAND LEVER PROJECTED SIDEWARDLY FROM SAID WINDING DRUM, A CONTROL PLATE INTEGRAL WITH OR FIXED TO SAID WINDING DRUM, A CONTROL PLATE INTEGRAL PLURALITY OF HOLES ARRANGED IN AN ARC OF CIRCLE, AND A SPRING-PRESSED CLIP-STOP BALL PROVIDED IN A RECEIVING BOX AND ADAPTED TO ENGAGE WITH SELECTED ONE OF SAID PLURALITY OF HOLES IN THE CONTROL PLATE, SAID RECEIVING BOX HAVING ITS WIDTH CONSIDERABLY LARGER THAN THE DIAMETER OF SAID CLIP-STOP BALL.
Claim 2
Dependent Claim
145 words
IN CONJUNCTION WITH A SPEED CHANGE MECHANISM COMPRISING A MULTISTAGE SPROCKET WHEEL MOUNTED ON ONE END OF A REAR WHEEL AXLE OF A BICYLE AND A CHAIN SHIFTING DEVICE HAVING A SPROCKET WHEEL SUPPORT FRAME ADAPTED TO BE SHIFTED BY MEANS OF A BOWDEN WIRE NORMALLY PULLED IN ONE DIRECTION BY MEANS OF A SPRING, A COMBINATION OF A WINDING DRUM TO WHICH ONE END OF SAID BOWDEN WIRE IS SECURED, A HAND LEVER PROJECTED SIDEWARDLY FROM SAID WINDING DRUM, A CONTROL PLATE INTEGRAL WITH OR FIXED TO SAID WINDING DRUM, A CONTROL PLATE INTEGRAL PLURALITY OF HOLES ARRANGED IN AN ARC OF CIRCLE, AND A SPRING-PRESSED CLIP-STOP BALL PROVIDED IN A RECEIVING BOX AND ADAPTED TO ENGAGE WITH SELECTED ONE OF SAID PLURALITY OF HOLES IN THE CONTROL PLATE, SAID RECEIVING BOX HAVING ITS WIDTH CONSIDERABLY LARGER THAN THE DIAMETER OF SAID CLIP-STOP BALL.
References Cited (Backward Citations)
US2428166A
Cited
US2431513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |