US3677103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear change for bicycle or like machine
Assignee: Individual
•
Filing: 1970-12-28
•
Granted: 1972-07-18
•
Expires: 1990-12-28
Abstract
Abstract The invention relates to a gear change for bicycle or like machine comprising two rollers linked together by a support, movement of said unit being controlled cross-wise to the free wheel of the bicycle or like machine by means of a control wire, and the support linking the two rollers being made up of two parts articulated one on the other, a spring being positioned between these two parts in order to keep the two rollers constantly separated from each other.
Inventors
- 👤 Jacques Andre Huret
- 👤 Roger Henri Huret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:37
CPC Classifications
B; B62; B62M; B62M9/00; B62M9/16
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
78 words
A gear change unit for a bicycle having a free wheel, comprising two rollers linked tOgether by a support, movement of said unit being controlled cross-wise to the free wheel of the bicycle by means of a control wire, gear change wherein the support linking the rollers is made up of two parts articulated one on the other, a spring being positioned between these two parts in order to keep the two rollers constantly separated from each other.
Claim 2
Dependent Claim
78 words
A gear change unit for a bicycle having a free wheel, comprising two rollers linked tOgether by a support, movement of said unit being controlled cross-wise to the free wheel of the bicycle by means of a control wire, gear change wherein the support linking the rollers is made up of two parts articulated one on the other, a spring being positioned between these two parts in order to keep the two rollers constantly separated from each other.
Claim 3
Dependent Claim
34 words
A gear change in accordance with claim 1, wherein the return spring connecting the two parts of the support articulated one on the other is hooked onto each of these parts by each end.
Claim 4
Dependent Claim
69 words
A gear change in accordance with claim 1, wherein the unit comprising rollers and their support, made up of two parts articulated one on the other, is mounted on a spindle identical with that of one of the rollers, the distance between this roller and the articulating spindle of the support parts being shorter than the distance between the other roller and the articulating spindle of the support parts.
Claim 5
Dependent Claim
53 words
A gear change in accordance with claim 3, wherein a spring is positioned around the pivoting spindle of the unit comprising rollers and support, in order constantly to place the articulating spindle of the two parts of the support behind the roller whose spindle is identical with the pivoting spindle of the unit.
Claim 6
Dependent Claim
46 words
A gear change in accordance with claim 4, wherein stops are fitted to restrict articulation of the two support parts articulated one on the other and to prevent the articulation spindle of the two support parts coming into alignment with the spindles of the two rollers.
Claim 7
Dependent Claim
74 words
A gear change in accordance with claim 5, wherein one stop is provided near to the pivoting spindle for the unit comprising rollers and support, in order to limit the action of the return spring controlling the pivoting of this unit and to ensure that the lower edge of the roller, whose spindle is identical with the unit''s pivoting spindle, is always at a higher level than the lower edge of the other roller.
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |