US3800618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake operating device for bicycle
Assignee: Individual
•
Filing: 1973-01-22
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Granted: 1974-04-02
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Expires: 1993-01-22
Abstract
Abstract Bicycle hand brake means in which a brake lever is pivoted to a bracket secured to a bicycle handle; an elongated slot is formed through the front wall of the bracket; and a locking lever having its one end pivoted to the brake lever and a toothed engaging portion is extended through the slot so that the locking lever may be selectively engaged with the bracket, thereby maintaining the brake application.
Inventors
- 👤 K Yoshigai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:41
CPC Classifications
B; B62; B62K; B62K23/00; B62K23/02; B62K23/06; B62L; B62L3/00; B62L3/02; B62L3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/2028; Y10T74/20287; Y10T74/20576; Y10T74/20636; Y10T74/20714; Y10T74/2072
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
141 words
A brake operating device for bicycle comprising a. brake lever means connected directly to a release wire for actuating brake means, b. housing means adapted to be secured to a handle of a bicycle in which is pivotably secured said brake lever means and which has a locking slot formed through a front wall portion thereof, and c. locking lever means having one end thereof pivoted to said brake lever means and an engaging member for interlocking engagement with said slot formed at the upper side surface thereof and extending through said locking slot wherein the free end of sAid locking lever remote from its pivotal point to said brake lever means is bent in one direction so as to provide a member which may be easily operable by one finger of an operator''s hand gripping the handle of the bicycle.
Claim 2
Dependent Claim
141 words
A brake operating device for bicycle comprising a. brake lever means connected directly to a release wire for actuating brake means, b. housing means adapted to be secured to a handle of a bicycle in which is pivotably secured said brake lever means and which has a locking slot formed through a front wall portion thereof, and c. locking lever means having one end thereof pivoted to said brake lever means and an engaging member for interlocking engagement with said slot formed at the upper side surface thereof and extending through said locking slot wherein the free end of sAid locking lever remote from its pivotal point to said brake lever means is bent in one direction so as to provide a member which may be easily operable by one finger of an operator''s hand gripping the handle of the bicycle.
Claim 3
Dependent Claim
34 words
A brake operating device as set forth in claim 1 wherein said engaging member comprises a plurality of teeth so that said brake lever means may be locked at an arbitrary brake applying position.
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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |