Patent US3853413A successfully refreshed from Google Patents.
US3853413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap ring locking device
Assignee: Motors Liquidation Co
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Filing: 1974-02-07
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Granted: 1974-12-10
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Expires: 1994-02-07
Abstract
Abstract A snap ring locking device for an internal snap ring comprises an arcuate key permanently deformed to a flattened condition between the ends of the snap ring. The ends of the snap ring and the key are cooperatively rabbetted to retain the key in an operative position where the key retains the snap ring peripherally seated in an internal groove.
Inventors
- 👤 M Parran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:10
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T403/00; Y10T403/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
A snap ring locking device comprising: a member having an internal groove opening into a bore of the member, a resilient snap ring peripherally seated in said internal groove and protruding radially inwardly of said bore, said ring having an outer rabbet at each end, and a permanently deformed key disposed in said internal groove and engaging the ends of said resilient snap ring to retain said resilient snap ring peripherally seated in said groove, said key having an inner rabbet at each end and interlocking with said ends of said snap ring for radially retaining said key in said groove between the ends of said snap ring.
Claim 2
Dependent Claim
108 words
A snap ring locking device comprising: a member having an internal groove opening into a bore of the member, a resilient snap ring peripherally seated in said internal groove and protruding radially inwardly of said bore, said ring having an outer rabbet at each end, and a permanently deformed key disposed in said internal groove and engaging the ends of said resilient snap ring to retain said resilient snap ring peripherally seated in said groove, said key having an inner rabbet at each end and interlocking with said ends of said snap ring for radially retaining said key in said groove between the ends of said snap ring.
Claim 3
Dependent Claim
158 words
A snap ring locking device comprising: a first member having an internal groove opening into a bore of the first member, id internal groove having a tapered radial wall, a second member disposed in the bore of the first member, a resilient snap ring having a tapered cross section peripherally seated in said internal groove and protruding radially inwardly of said bore and engaging an end face of said second member, said snap ring having an outer rabbet at each end, and a reversely arcuate key permanently deformed to a flattened state in said internal groove engaging the ends of said resilient snap ring wedging said resilient snap ring into tight engagement with said groove and said end face of said second member, said key having an inner rabbet at each end and interlocking with said ends of said snap ring for radially retaining said permanently deformed key in said groove between the ends of said snap ring.
Claim 4
Dependent Claim
158 words
A snap ring locking device comprising: a first member having an internal groove opening into a bore of the first member, id internal groove having a tapered radial wall, a second member disposed in the bore of the first member, a resilient snap ring having a tapered cross section peripherally seated in said internal groove and protruding radially inwardly of said bore and engaging an end face of said second member, said snap ring having an outer rabbet at each end, and a reversely arcuate key permanently deformed to a flattened state in said internal groove engaging the ends of said resilient snap ring wedging said resilient snap ring into tight engagement with said groove and said end face of said second member, said key having an inner rabbet at each end and interlocking with said ends of said snap ring for radially retaining said permanently deformed key in said groove between the ends of said snap ring.
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) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |