US3195689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical type automatic brake adjuster
Assignee: Allis Chalmers Corp
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Filing: 1963-05-31
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Granted: 1965-07-20
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Neil J Ryskamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:23
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D65/546
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
AN AUTOMATIC ADJUSTER FOR A BRAKE OF THE TYPE HAVING A PAIR OF FLOATINGLY MOUNTED SEMICIRCULAR BRAKE SHOES ADAPTED TO BE MOVED AWAY FROM ONE ANOTHER IN ONE DIRECTION INTO FRICTIONAL ENGAGEMENT WITH A BRAKE DRUM, SAID ADJUSTER COMPRISING: FIRST AND SECOND ELONGATED SLIDE MEMBERS HAVING ADJACENT ED PORTIONS IN JUXTAPOSED RELATION TO ONE ANOTHER AND REMOTE END PORTIONS ADAPTED FOR PIVOTAL CONNECTION WITH SAID SHOES, RESPECTIVELY, WITH LOST MOTION IN SAID ONE DIRECTION, A PAIR OF PARALLEL FRICTION SURFACES FORMED ON OPPOSITE SIDES OF ONE OF SAID SLIDE MEMBERS AND EXTENDING IN SAID ONE DIRECTION, WALLS TRANSVERSE TO SID SURFACES DEFINING A SLOT IN SAID ONE SLIDE MEMBER IN INTERRUPTING RELATION TO SAID SURFACES, SAID SLOT BEING ELONGATED IN SAID ONE DIRECTION, A PAIR OF NONMETALLIC FRICTION WASHERS HAVING FLAT FACES IN FRICTIONAL ENGAGEMENT WITH SAID SURFACES, RESPECTIVELY, AND FASTENING MEANS HOLDING SAID WASHERS IN FRICTIONAL ENGAGEMENT WITH SAID SURFACES INCLUDING A TENSION MEMBER MOUNTED ON SAID OTHER SLIDE MEMBER FOR MOVEMENT THEREWITH AND EXTENDING THROUGH SAID WASHERS AND SLOT.
Claim 2
Dependent Claim
171 words
AN AUTOMATIC ADJUSTER FOR A BRAKE OF THE TYPE HAVING A PAIR OF FLOATINGLY MOUNTED SEMICIRCULAR BRAKE SHOES ADAPTED TO BE MOVED AWAY FROM ONE ANOTHER IN ONE DIRECTION INTO FRICTIONAL ENGAGEMENT WITH A BRAKE DRUM, SAID ADJUSTER COMPRISING: FIRST AND SECOND ELONGATED SLIDE MEMBERS HAVING ADJACENT ED PORTIONS IN JUXTAPOSED RELATION TO ONE ANOTHER AND REMOTE END PORTIONS ADAPTED FOR PIVOTAL CONNECTION WITH SAID SHOES, RESPECTIVELY, WITH LOST MOTION IN SAID ONE DIRECTION, A PAIR OF PARALLEL FRICTION SURFACES FORMED ON OPPOSITE SIDES OF ONE OF SAID SLIDE MEMBERS AND EXTENDING IN SAID ONE DIRECTION, WALLS TRANSVERSE TO SID SURFACES DEFINING A SLOT IN SAID ONE SLIDE MEMBER IN INTERRUPTING RELATION TO SAID SURFACES, SAID SLOT BEING ELONGATED IN SAID ONE DIRECTION, A PAIR OF NONMETALLIC FRICTION WASHERS HAVING FLAT FACES IN FRICTIONAL ENGAGEMENT WITH SAID SURFACES, RESPECTIVELY, AND FASTENING MEANS HOLDING SAID WASHERS IN FRICTIONAL ENGAGEMENT WITH SAID SURFACES INCLUDING A TENSION MEMBER MOUNTED ON SAID OTHER SLIDE MEMBER FOR MOVEMENT THEREWITH AND EXTENDING THROUGH SAID WASHERS AND SLOT.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |