US3231058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction device
Assignee: Raybestos Manhattan Inc
•
Filing: 1962-02-19
•
Granted: 1966-01-25
•
Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Clyde S Batchelor
- 👤 Warren R Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:36
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16D13/648; F16D25/00; F16D25/12; F16D25/123; F16D65/00; F16D65/02; F16D65/12; F16D65/127; F16D69/00; F16D2069/004; F16D2069/005; F16D2069/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
FRICTION MECHANISM COMPRISING A HIGH HEAT-CON DUCTIVE, LIQUID-COOLABLE METAL FRICTION FACING COMPOSED PRICIPALLY OF COPPER, AND AN ANNULAR FRICTION DISC ADAPTED FOR OPERATIVE SLIDABLE SURFACE ENGAGEMENT THEREWITH AND AT LOADS OF FROM 1 TO 25 POUNDS PER SQUARE INCH AND WHEREBY TORQUE IS REGULATED BY SAID PRESSURE, SAID FRICTION DISC COMPRISING AN ANNULAR METAL SUPPORTING PLATE, ANNULARLY DISPOSED RADIALLY DIVIDED FRICTION LINING COMPRISED OF FIBER-REINFORCES, HEAT-HARDENED ORGANIC BINDER CARRIED ON AT LEAST ONE FACE OF SAID SUPPORTING PLATE, AND A BODY OF CELLULAR, RESILIENT RUBBER MATERIAL SECURED TO AND BETWEEN SAID SUPPORTING PLATE AND SAID FRICTION LINING AND AT LEAST COEXTENSIVE WITH THE LATTER SAID BODY OF RUBBER MATERIAL BEING PROGRESSIVELY DEFROMABLE UNDER SAID LOADS AND DEFORMABLE AT SAID MAXIMUM LOAD.
Claim 2
Dependent Claim
121 words
FRICTION MECHANISM COMPRISING A HIGH HEAT-CON DUCTIVE, LIQUID-COOLABLE METAL FRICTION FACING COMPOSED PRICIPALLY OF COPPER, AND AN ANNULAR FRICTION DISC ADAPTED FOR OPERATIVE SLIDABLE SURFACE ENGAGEMENT THEREWITH AND AT LOADS OF FROM 1 TO 25 POUNDS PER SQUARE INCH AND WHEREBY TORQUE IS REGULATED BY SAID PRESSURE, SAID FRICTION DISC COMPRISING AN ANNULAR METAL SUPPORTING PLATE, ANNULARLY DISPOSED RADIALLY DIVIDED FRICTION LINING COMPRISED OF FIBER-REINFORCES, HEAT-HARDENED ORGANIC BINDER CARRIED ON AT LEAST ONE FACE OF SAID SUPPORTING PLATE, AND A BODY OF CELLULAR, RESILIENT RUBBER MATERIAL SECURED TO AND BETWEEN SAID SUPPORTING PLATE AND SAID FRICTION LINING AND AT LEAST COEXTENSIVE WITH THE LATTER SAID BODY OF RUBBER MATERIAL BEING PROGRESSIVELY DEFROMABLE UNDER SAID LOADS AND DEFORMABLE AT SAID MAXIMUM LOAD.
References Cited (Backward Citations)
US1341673A
Cited
US1964672A
Cited
US2097710A
Cited
US2196570A
Cited
US2214762A
Cited
US2253316A
Cited
GB656167A
Cited
US2852118A
Cited
US2940556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |