Patent US3085667A successfully refreshed from Google Patents.
US3085667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch brake friction disk
Assignee: Unisys Corp
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Filing: 1959-09-10
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Granted: 1963-04-16
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Expires: 1979-09-10
Abstract
No abstract record available.
Inventors
- 👤 Albert P Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:53
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A MECHANICAL BRAKE OR CLUTCH COMPRISING A CYLINDRICAL BODY PROVIDED WITH A CENTRAL AXIAL BORE, A CONCENTRIC COUNTERBORE OF GREATER DIAMETER THAN SAID AXIAL BORE, AN END FACING ON SAID CYLINDRICAL BODY, A SHAFT EXTENDING THROUGH AND ROTATABLE WITHIN SAID BORE AND COUNTERBORE, A DISK ATTACHED TO AND ROTATABLE WITH SAID SHAFT, MEANS SELECTIVELY URGING ONE OF EITHER SAID DISK OR SAID CYLINDRICAL BODY IN AN AXIAL DIRECTION THEREBY TO ESTABLISH SELECTIVELY A POWER TRANSMITTING RELATIONSHIP BETWEEN SAID DISK AND SAID BODY, AND FRICTION MEANS INTERPOSED BETWEEN SAID END FACING OF SAID BODY AND SAID DISK, SAID FRICTION MEANS COMPRISING AN INTEGRALLY FORMED SLEEVE AND ANNULUS WHEREIN SAID ANNULUS SERVES AS A FRICTION TRANSMITTING ELEMENT BETWEEN SAID DISK AND SAID END FACING OF SAID BODY AND SAID SLEEVE MAINTAINS SAID ANNULUS CENTRALLY LOCATED RELATIVE TO SAID SHAFT.
Claim 2
Dependent Claim
137 words
A MECHANICAL BRAKE OR CLUTCH COMPRISING A CYLINDRICAL BODY PROVIDED WITH A CENTRAL AXIAL BORE, A CONCENTRIC COUNTERBORE OF GREATER DIAMETER THAN SAID AXIAL BORE, AN END FACING ON SAID CYLINDRICAL BODY, A SHAFT EXTENDING THROUGH AND ROTATABLE WITHIN SAID BORE AND COUNTERBORE, A DISK ATTACHED TO AND ROTATABLE WITH SAID SHAFT, MEANS SELECTIVELY URGING ONE OF EITHER SAID DISK OR SAID CYLINDRICAL BODY IN AN AXIAL DIRECTION THEREBY TO ESTABLISH SELECTIVELY A POWER TRANSMITTING RELATIONSHIP BETWEEN SAID DISK AND SAID BODY, AND FRICTION MEANS INTERPOSED BETWEEN SAID END FACING OF SAID BODY AND SAID DISK, SAID FRICTION MEANS COMPRISING AN INTEGRALLY FORMED SLEEVE AND ANNULUS WHEREIN SAID ANNULUS SERVES AS A FRICTION TRANSMITTING ELEMENT BETWEEN SAID DISK AND SAID END FACING OF SAID BODY AND SAID SLEEVE MAINTAINS SAID ANNULUS CENTRALLY LOCATED RELATIVE TO SAID SHAFT.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |