Patent US4325267A successfully refreshed from Google Patents.
US4325267A
Expired / Lapsed
US
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Bicycle control lever device having control lever movement conforming to a cyclist's fingers
Assignee: Shimano Inc
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Filing: 1980-04-21
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Granted: 1982-04-20
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Expires: 2000-04-21
Abstract
Abstract A control lever device has a lever shaft supported to a fixing member attached in the vicinity of a grip at a handle bar and a control lever having a boss and a control portion supported rotatably to the lever shaft. The lever shaft is slanted with respect to the axis of the handle bar, and the control portion of the control lever is directed toward the grip and positioned radially outwardly of the handle bar with respect to the boss, so that movement of the control portion may match movement of the fingers of a cyclist's hand gripping the handle grip.
Inventors
- 👤 Masao Kojima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:28
CPC Classifications
B; B62; B62M; B62M25/00; B62M25/02; B62M25/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20037; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/2028; Y10T74/20287
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
121 words
A control lever device for a bicycle mounted on a handle bar in the vicinity of a grip thereat, said device comprising: a fixing member attached to said handle bar; a lever shaft mounted on said fixing member, said lever shaft being slanted at the foremost end thereof in the direction away from said grip with respect to the axis of said handle bar; and a control lever for moving a control wire, said control lever having a boss and a control portion supported rotatably to said lever shaft through said boss, said control portion of said control lever being positioned adjacent to said grip, said control portion being positioned radially outwardly of said handle bar with respect to said boss.
Claim 2
Dependent Claim
121 words
A control lever device for a bicycle mounted on a handle bar in the vicinity of a grip thereat, said device comprising: a fixing member attached to said handle bar; a lever shaft mounted on said fixing member, said lever shaft being slanted at the foremost end thereof in the direction away from said grip with respect to the axis of said handle bar; and a control lever for moving a control wire, said control lever having a boss and a control portion supported rotatably to said lever shaft through said boss, said control portion of said control lever being positioned adjacent to said grip, said control portion being positioned radially outwardly of said handle bar with respect to said boss.
Claim 3
Dependent Claim
66 words
A control lever device for a bicycle according to claim 1, wherein said fixing member comprises a tightening band attached to said handle bar and a supporting member fixed to said band, said supporting member having a receiving surface slanted with respect to the axis of said handle bar, and having at said receiving surface a lever shaft extending perpendicularly with respect to said receiving surface.
Claim 4
Dependent Claim
36 words
A control lever device for a bicycle according to claims 1 and 2, wherein the angle of inclination of said lever shaft with respect to the axis of said handle bar is 70 to 75 degrees.
Claim 5
Dependent Claim
48 words
A control lever device for a bicycle according to claim 1, wherein said lever shaft is slanted with respect to the axis of said handle bar, and also slanted forwardly of said handle bar with respect to a vertical line passing through the axis of said handle bar.
Claim 6
Dependent Claim
39 words
A control lever device for a bicycle according to claim 4, wherein the angle of inclination of said lever shaft with respect to a vertical line passing through the axis of said handle bar is 10 to 15 degrees.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-19 | 1985-10-19 | 1986-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-19 | 1989-10-19 | 1990-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-19 | 1993-10-19 | 1994-04-20 | $7700.00 | Window Closed / Lapsed |