US4442732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pedal for a bicycle
Assignee: Shimano Inc
•
Filing: 1981-02-27
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Granted: 1984-04-17
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Expires: 2001-02-27
Abstract
Abstract A pedal for a bicycle, having a pedal body and a bearing mechanism for rotatably supporting the pedal body to a crank arm, the pedal body being equipped with a toe clip and a toe strap. The pedal body is displaced with respect to the bearing mechanism and the bearing mechanism comprises a bearing cylinder extending from the pedal body and having a threaded bore, a spindle screwable therewith, and a tubular member fixed to the crank arm, the spindle having at its outer periphery a first ball race, the bearing cylinder having at its outer periphery a second ball race larger in diameter than the first ball race, so that the bearing cylinder and spindle may be rotatably supported to the fixed tubular member through balls carried by the ball races.
Inventors
- 👤 Shinpei Okajima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:14
CPC Classifications
B; B62; B62M; B62M3/00; B62M3/08; B62M3/083; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2164; Y10T74/2168; Y10T74/2169; Y10T74/217; Y10T74/2172
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
158 words
A pedal for a bicycle, having a pedal body and a bearing mechanism for rotatably supporting said pedal body to a crank arm, the pedal body being equipped with a toe clip and a toe strap, said pedal body being displaced downwardly with respect to an axis of rotation of said bearing mechanism, and having at opposite longitudinal ends a front side-plate and a rear side-plate, each having a respective foot bearing surface, said pedal body having a substantially triangular shaped forward extension extending forwardly of said axis, said extension having an upper surface and a bottom surface which tapers away from said upper surface in a direction of moving away from a fore end of said extension, said bottom surface of said extension being in continuation of and forming part of a bottom surface of said pedal body, said front side-plate being mounted on said extension and being curved forward along the outer edge of said extension.
Claim 2
Dependent Claim
158 words
A pedal for a bicycle, having a pedal body and a bearing mechanism for rotatably supporting said pedal body to a crank arm, the pedal body being equipped with a toe clip and a toe strap, said pedal body being displaced downwardly with respect to an axis of rotation of said bearing mechanism, and having at opposite longitudinal ends a front side-plate and a rear side-plate, each having a respective foot bearing surface, said pedal body having a substantially triangular shaped forward extension extending forwardly of said axis, said extension having an upper surface and a bottom surface which tapers away from said upper surface in a direction of moving away from a fore end of said extension, said bottom surface of said extension being in continuation of and forming part of a bottom surface of said pedal body, said front side-plate being mounted on said extension and being curved forward along the outer edge of said extension.
Claim 3
Dependent Claim
37 words
A pedal for a bicycle according to claim 1, wherein said foot bearing surfaces of said side-plates at both longitudinal ends of said pedal body are positioned to be substantially level with the axis of said spindle.
Claim 4
Dependent Claim
105 words
A pedal for a bicycle according to claim 1, wherein a flat surface is provided at the upper surface of said pedal body, and at said flat surface are provided mounting bores for said toe clip, said bores being arranged to connect a center of each of said bores in a triangular pattern, said toe clip having a mounting portion extending horizontally, said mounting portion having three elongate slots parallel to each other, so that said toe clip may be mounted to said flat surface at said pedal body in relation of being adjustable at three points in extending direction of each of said slots.
Claim 5
Dependent Claim
42 words
A pedal for a bicycle according to claim 1, wherein said pedal body is provided at both widthwise sides of its rear with legs extending rearward thereof, and to said legs is mounted a said rear side-plate having a foot bearing surface.
Claim 6
Dependent Claim
33 words
A pedal body for a bicycle according to claim 4, wherein said legs are inclined rearward inwardly to restrain a driver's foot placed on said rear side-plate foot bearing surface from moving rearwards.
Claim 7
Dependent Claim
37 words
A pedal body for a bicycle according to claim 1, wherein said toe strap is formed of a thin tape and has at one lengthwise end thereof a ring and at the other end a detachable fastener.
References Cited (Backward Citations)
FR482323A
Cited
FR558880A
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FR920499A
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FR898926A
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FR970293A
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FR1013908A
Cited
DE1089653B
Cited
US3827107A
Cited
JPS5010416A
Cited
JPS51101250A
Cited
FR2302904A1
Cited
US4269084A
Cited
DE2938126A1
Cited
JPS63956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-17 | 1987-10-17 | 1988-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-17 | 1991-10-17 | 1992-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-17 | 1995-10-17 | 1996-04-17 | $7700.00 | Window Closed / Lapsed |