US4244235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for attaching a brake lever stay to a handle bar of a bicycle
Assignee: YOSHIKAWA SEISAKUSHO KK
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Filing: 1978-10-25
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Granted: 1981-01-13
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Expires: 1998-10-25
Abstract
Abstract Apparatus for attaching a stay for a brake lever to a handle bar of a bicycle in which a non-ferrous metal or synthetic resin stay pivotably supports a brake lever through a pivot shaft by a fastening band mounted in a cavity portion formed in the bottom of the stay. A spacer is mounted within the cavity portion and has first support elements for abutting against the handle bar and second support elements for engaging the pivot shaft such that when the band is secured to the pivot shaft frictional engagement is obtained between the first supporting elements and the handle bar and the stay becomes secured to the handle bar through the spacer.
Inventors
- 👤 Kunihiko Yoshikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:55
CPC Classifications
B; B62; B62L; B62L3/00; B62L3/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/2028; Y10T74/20287
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
145 words
In apparatus for attaching a stay for a brake lever to a tubular handle bar in which said stay is constructed of a non-ferrous metal or synthetic resin, said stay supporting a pivot shaft on which the brake lever is pivotably mounted, said stay having a cavity portion in which projects a fastening band engaging the handle bar, the fastening band being secured to the pivot shaft by an adjustable tightening fastener, the improvement comprising a spacer element engaged in said cavity and including first means for engaging the handle bar and second means for engaging the pivot shaft, said spacer element being constituted of a material which develops friction with said handle bar such that when the adjustable fastener is tightened frictional engagement is developed between the spacer element and said handle bar to hold the stay on the handle bar in secured position.
Claim 2
Dependent Claim
145 words
In apparatus for attaching a stay for a brake lever to a tubular handle bar in which said stay is constructed of a non-ferrous metal or synthetic resin, said stay supporting a pivot shaft on which the brake lever is pivotably mounted, said stay having a cavity portion in which projects a fastening band engaging the handle bar, the fastening band being secured to the pivot shaft by an adjustable tightening fastener, the improvement comprising a spacer element engaged in said cavity and including first means for engaging the handle bar and second means for engaging the pivot shaft, said spacer element being constituted of a material which develops friction with said handle bar such that when the adjustable fastener is tightened frictional engagement is developed between the spacer element and said handle bar to hold the stay on the handle bar in secured position.
Claim 3
Dependent Claim
15 words
The improvement as claimed in claim 1 wherein said spacer element is a ferrous material.
Claim 4
Dependent Claim
15 words
The improvement as claimed in claim 2 wherein said spacer element is iron or steel.
Claim 5
Dependent Claim
23 words
The improvement as claimed in claim 3 wherein said first means is contituted by curved recesses shaped to conform to the handle bar.
Claim 6
Dependent Claim
22 words
The improvement as claimed in claim 4 wherein said second means includes projections provided with recesses shaped to receive the pivot shaft.
Claim 7
Dependent Claim
21 words
The improvement as claimed in claim 5 wherein said spacer element is provided with grooves for passage of the fastening band.
Claim 8
Dependent Claim
22 words
The improvement as claimed in claim 6 wherein said spacer element is of box shape and has open upper and lower ends.
Claim 9
Dependent Claim
63 words
The improvement as claimed in claim 7 wherein said spacer element includes front and rear walls and opposite side walls, said walls having respective upper and lower edges, said projections being on the upper edges of the side walls, said recesses being in the lower edges of the front and rear walls, said grooves being in the lower edges of the side walls.
Claim 10
Dependent Claim
28 words
The improvement as claimed in claim 8 wherein said stay has side walls provided with openings for passage of said projections therethrough for engagement with said pivot shaft.
Claim 11
Dependent Claim
25 words
The improvement as claimed in claim 9 wherein said cavity portion of said stay is of box shape and substantially confines the spacer element therewithin.
References Cited (Backward Citations)
US2699203A
Cited
US4005613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-01-13 | 1984-07-14 | 1985-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-13 | 1988-07-14 | 1989-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-13 | 1992-07-14 | 1993-01-13 | $7700.00 | Window Closed / Lapsed |