US3983968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bicycle wheel rim brake
Assignee: Weinmann Ltd
•
Filing: 1975-03-25
•
Granted: 1976-10-05
•
Expires: 1995-03-25
Abstract
Abstract A caliper brake for the rim of a bicycle wheel, the brake having a shaft and two brake stirrups comprising a ring rivetted to the end of the shaft to prevent axial movement of the brake stirrups and a protective plastic cover on the rivetted end of the shaft. As a further improvement a plastic bushing is disposed between the stirrups and the shaft and has a flange separating the stirrups one from the other.
Inventors
- 👤 Otto Weinmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:14
CPC Classifications
B; B62; B62L; B62L1/00; B62L1/02; B62L1/06; B62L1/10; B62L1/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
118 words
A caliper brake for use in braking the rim of a bicycle wheel having a shaft and two brake stirrups rotatably mounted adjacent each other on said shaft and retaining means mounted on said shaft at the outer side of the outer brake stirrup to provide an abutting surface to prevent movement of the brake stirrups in an axial direction, the improvement comprising: said retaining means comprising a ring and a rivet, said ring being rivetted by the head of said rivet between said rivet head and at least one of said two brake stirrups at the outer end of said shaft; and a cover disposed over not more than the outer surface of said rivet and ring.
Claim 2
Dependent Claim
118 words
A caliper brake for use in braking the rim of a bicycle wheel having a shaft and two brake stirrups rotatably mounted adjacent each other on said shaft and retaining means mounted on said shaft at the outer side of the outer brake stirrup to provide an abutting surface to prevent movement of the brake stirrups in an axial direction, the improvement comprising: said retaining means comprising a ring and a rivet, said ring being rivetted by the head of said rivet between said rivet head and at least one of said two brake stirrups at the outer end of said shaft; and a cover disposed over not more than the outer surface of said rivet and ring.
Claim 3
Dependent Claim
15 words
The caliper brake according to claim 1, wherein said cover is composed of plastic material.
Claim 4
Dependent Claim
30 words
The caliper brake according to claim 1 further comprising a bushing disposed between said brake stirrups and said shaft, said bushing defining a flange separating said stirrups from each other.
Claim 5
Dependent Claim
15 words
The caliper brake according to claim 3, wherein said bushing is composed of plastic material.
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) | 1979-10-05 | 1980-04-05 | 1980-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-05 | 1984-04-05 | 1984-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-05 | 1988-04-05 | 1988-10-05 | $7700.00 | Window Closed / Lapsed |