Patent US3687509A successfully refreshed from Google Patents.
US3687509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft bearing assembly having interchangeable parts
Assignee: Individual
•
Filing: 1970-12-09
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Granted: 1972-08-29
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Expires: 1990-12-09
Abstract
Abstract A shaft bearing assembly includes a housing having a body portion formed with an axial bore having sections of different diameters to receive shaft bearing inserts of different diameters. One bearing insert is spherically curved and acts as a self-aligning bearing for a shaft rotatable therein. A retainer ring and socket ring insert are provided for the self-aligning insert. Another insert is formed with a curved abutment to serve as an end thrust bearing for the shaft engaged in the selfaligning bearing. A further insert has both spherical and cylindrically curved portions to seat in the housing without other retainer members. The housing and insert may be made of a molded resin material and have smooth, self-lubricated surfaces.
Inventors
- 👤 Max Norman Schweizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:58
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C35/00; F16C35/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
102 words
A shaft bearing assembly for supporting a shaft comprising a housing having a body formed with an axial bore having a plurality of mutually adjacent sections of different diameters for receiving shaft bearing inserts of different diameters respectively; a shaft bearing insert snugly fitted in one of said sections of said bore for rotatably supporting said shaft, said housing and said insert being made of a molded resin material forming smooth, self-lubricated bearing surfaces; and retaining means comprising a circumferential groove formed in said bore and a retainer ring removably disposed in said groove for removably retaining said insert in said bore.
Claim 2
Dependent Claim
102 words
A shaft bearing assembly for supporting a shaft comprising a housing having a body formed with an axial bore having a plurality of mutually adjacent sections of different diameters for receiving shaft bearing inserts of different diameters respectively; a shaft bearing insert snugly fitted in one of said sections of said bore for rotatably supporting said shaft, said housing and said insert being made of a molded resin material forming smooth, self-lubricated bearing surfaces; and retaining means comprising a circumferential groove formed in said bore and a retainer ring removably disposed in said groove for removably retaining said insert in said bore.
Claim 3
Dependent Claim
26 words
A shaft bearing assembly as defined in claim 1, wherein said housing has integrally formed apertured bracket sections for securing said housing to a stationary support.
Claim 4
Dependent Claim
44 words
A shaft bearing assembly as defined in claim 1, wherein one of said sections of said bore is spherically curved, and wherein said shaft bearing insert has a correspondingly spherically curved external surface portion to fit snugly in said one section of said bore.
Claim 5
Dependent Claim
27 words
A shaft bearing assembly as defined in claim 1, wherein said insert has an internal cylindrically curved surface for rotatably supporting a journal portion of said shaft.
Claim 6
Dependent Claim
43 words
A shaft bearing assembly as defined in claim 4, further comprising a socket ring insert engaged in another section of said bore, said socket ring insert having an internal spherically curved surface slidably engaging said curved external surface of the first named insert.
Claim 7
Dependent Claim
25 words
A shaft bearing assembly as defined in claim 5, wherein said retainer ring is removably engaged in said bore adjacent to said socket ring insert.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |