US3709530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary retention for a c-washer
Assignee: Individual
•
Filing: 1971-06-25
•
Granted: 1973-01-09
•
Expires: 1991-06-25
Abstract
Abstract A C-washer normally retained behind a shoulder on a shaft by an end recess on a member carried by the shaft, the C-washer having means adapted to narrow the gap adjacent the opening of the Cwasher after assembly to the shaft, in order to close the gap of the washer to a distance less than the shaft diameter and prevent disengagement of the washer on axial displacement on the member carried by the shaft.
Inventors
- 👤 W Redding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:29
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/0018; F16H57/0025; F16D; F16D1/00; F16D1/06; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
In combination with a shaft having means forming a shoulder transverse to the axis of said shaft, and a member carried by said shaft, said member having a recess in an axial end thereof, a C-washer having a gap adapted to slip over said shaft laterally and engage said shoulder axially, the exterior of said washer being receivable in said recess to maintain the lateral engagement of said washer with said shaft, wherein the improvement comprises: adjustable means on said C-washer adjacent an end of said washer defining the opening of said gap, and adapted to narrow said gap exclusively at said means to a distance less than the diameter of said shaft received in said gap, said adjustable means including a set screw traversing said washer on an axis disposed in a plane transverse to the axis of said shaft.
Claim 2
Dependent Claim
141 words
In combination with a shaft having means forming a shoulder transverse to the axis of said shaft, and a member carried by said shaft, said member having a recess in an axial end thereof, a C-washer having a gap adapted to slip over said shaft laterally and engage said shoulder axially, the exterior of said washer being receivable in said recess to maintain the lateral engagement of said washer with said shaft, wherein the improvement comprises: adjustable means on said C-washer adjacent an end of said washer defining the opening of said gap, and adapted to narrow said gap exclusively at said means to a distance less than the diameter of said shaft received in said gap, said adjustable means including a set screw traversing said washer on an axis disposed in a plane transverse to the axis of said shaft.
References Cited (Backward Citations)
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Cited
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Cited
US2341191A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |