US3697145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing retainer
Assignee: SEALTH AERO MARINE CO
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Filing: 1970-12-18
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Granted: 1972-10-10
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Expires: 1990-12-18
Abstract
Abstract A bearing retainer is disclosed for removably or detachably mounting a bearing in a fixed structure comprising a bushing having a pair of external and a pair of internal locking means or flanges thereon, one locking flange of each pair being on a ring which is detachable for releasably mounting the bearing in the bushing and for removably mounting the bushing in the structure for providing a reliable and economical bearing retainer for easily removing and replacing a bearing without requiring special tools, and yet providing high axial load carrying capabilities for both bearing and bearing retainer regardless of the number of replacements.
Inventors
- 👤 John W Day Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:56
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/02; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
195 words
A bearing retainer means mounted in an opening in a structure and preventing movement of a bearing from the structure in either one direction or the other direction axially of the opening comprising, a. bushing means having first external locking means and first internal locking means, b. said first external locking means preventing passage of said bushing means from the opening in said one direction, c. said bushing means receiving said bearing internally thereof and said first internal locking means preventing passage of said bearing from the bushing means in said one direction, d. second external locking ring means for mounting on said bushing means for preventing passage of said bushing means from the opening in said other direction and for releasing said bushing means for permitting passage thereof from said opening in said other direction, and e. second internal locking means for mounting on said bushing means for preventing passage of said bearing from the bushing means in said other direction for retaining and locking said bearing in said structure and for releasing said bearing for permitting passage thereof from said bushing means in said other direction for forming a removable bearing retainer means.
Claim 2
Dependent Claim
195 words
A bearing retainer means mounted in an opening in a structure and preventing movement of a bearing from the structure in either one direction or the other direction axially of the opening comprising, a. bushing means having first external locking means and first internal locking means, b. said first external locking means preventing passage of said bushing means from the opening in said one direction, c. said bushing means receiving said bearing internally thereof and said first internal locking means preventing passage of said bearing from the bushing means in said one direction, d. second external locking ring means for mounting on said bushing means for preventing passage of said bushing means from the opening in said other direction and for releasing said bushing means for permitting passage thereof from said opening in said other direction, and e. second internal locking means for mounting on said bushing means for preventing passage of said bearing from the bushing means in said other direction for retaining and locking said bearing in said structure and for releasing said bearing for permitting passage thereof from said bushing means in said other direction for forming a removable bearing retainer means.
Claim 3
Dependent Claim
32 words
A bearing retainer means as recited in claim 1 wherein, a. said second external locking means is detachable from said bushing means for easy removability of said bushing means from said structure.
Claim 4
Dependent Claim
49 words
A bearing retainer means as recited in claim 2 wherein, a. said second detachable external locking means comprises a threaded ring having a ledge for screwing over one end of said bushing means with said ledge bearing against the structure for detachably locking said bushing means in the structure.
Claim 5
Dependent Claim
32 words
A bearing retainer means as recited in claim 1 wherein, a. said second internal locking means being detachable from said bushing means for easy removability of said bearing from said bushing means.
Claim 6
Dependent Claim
37 words
A bearing retainer means as recited in claim 4 wherein, a. said second detachable internal locking means being a threaded ring having a ledge bearing against the bearing for detachably locking said bearing in the bushing means.
Claim 7
Dependent Claim
45 words
A bearing retainer means as recited in claim 1 wherein, a. both said second external locking means and said second internal locking means being detachable from said bushing means for easy removability of said bushing means from the structure and said bearing from said bushing.
Claim 8
Dependent Claim
29 words
A bearing retainer means as recited in claim 1 wherein, a. both said first external locking means and said first internal locking means being integral with said bushing means.
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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |