US3253687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated clutch
Assignee: Horton Manufacturing Co Inc
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Filing: 1964-10-07
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Granted: 1966-05-31
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Expires: 1984-10-07
Abstract
No abstract record available.
Inventors
- 👤 Richard C Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:15
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/25; F01; F01P; F01P7/00; F01P7/02; F01P7/08; F01P7/081; F01P7/082; F01P7/085; F16D25/00; F16D25/06; F16D25/062; F16D25/063; F16D25/0635
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A CLUTCH COMPRISING: (A) A FIXED SHAFT HAVING (B) A TRANSVERSE AIR INLET HOLE TERMINATING IN (C) AN AIR PASSAGEWAY EXTENDING AXIALLY THROUGHOUT THE SHAFT, (D) A SHEAVE ROTATABLY MOUNTED ON SAID SHAFT AND ADAPTED TO BE DRIVEN FROM A SOURCE OF POWER, (E) A FRICTION FACING SECURED TO SAID SHEAVE, (F) A SPLINED HUB ROTATABLY MOUNTED ON SAID SHAFT, (G) A FRICTION DISC HAVING A SPLINE HUB FOR ENGAGEMENT WITH MOUNTED ON SAID SPLINED HUB FOR ENGAGEMENT WITH SAID FRICTION FACING, (H) SPRING MEANS NORMALLY URGING SAID FRICTION DISC, FROM SAID FRICTION FACING, (I) AN ANNULAR PISTON CARRIED BY SAID FRICTION DISC, (J) A CYLINDER BODY CARRIED BY SAID HUB AND HAVING AN ANNULAR CYLINDER RECESS INTO WHICH SAID ANNULAR PISTON EXTENDS, (K) SAID CYLINDER BODY HAVING AN AIR PASSAGEWAY FORMED THEREIN COMMUNICATING WITH SAID AXIAL PASSAGEWAY OF SAID SHAFT AND SAID ANNULAR CYLINDER RECESS WHEREBY AIR PRESSURE INTRODUCED INTO SAID AIR PASSAGEWAYS CAUSES SAID PISTON TO MOVE SAID FRICTION DISC INTO CONTACT WITH SAID FRICTION FACING OF SAID SHEAVE AND THEREBY ROTATE SAID CYLINDER BODY.
Claim 2
Dependent Claim
177 words
A CLUTCH COMPRISING: (A) A FIXED SHAFT HAVING (B) A TRANSVERSE AIR INLET HOLE TERMINATING IN (C) AN AIR PASSAGEWAY EXTENDING AXIALLY THROUGHOUT THE SHAFT, (D) A SHEAVE ROTATABLY MOUNTED ON SAID SHAFT AND ADAPTED TO BE DRIVEN FROM A SOURCE OF POWER, (E) A FRICTION FACING SECURED TO SAID SHEAVE, (F) A SPLINED HUB ROTATABLY MOUNTED ON SAID SHAFT, (G) A FRICTION DISC HAVING A SPLINE HUB FOR ENGAGEMENT WITH MOUNTED ON SAID SPLINED HUB FOR ENGAGEMENT WITH SAID FRICTION FACING, (H) SPRING MEANS NORMALLY URGING SAID FRICTION DISC, FROM SAID FRICTION FACING, (I) AN ANNULAR PISTON CARRIED BY SAID FRICTION DISC, (J) A CYLINDER BODY CARRIED BY SAID HUB AND HAVING AN ANNULAR CYLINDER RECESS INTO WHICH SAID ANNULAR PISTON EXTENDS, (K) SAID CYLINDER BODY HAVING AN AIR PASSAGEWAY FORMED THEREIN COMMUNICATING WITH SAID AXIAL PASSAGEWAY OF SAID SHAFT AND SAID ANNULAR CYLINDER RECESS WHEREBY AIR PRESSURE INTRODUCED INTO SAID AIR PASSAGEWAYS CAUSES SAID PISTON TO MOVE SAID FRICTION DISC INTO CONTACT WITH SAID FRICTION FACING OF SAID SHEAVE AND THEREBY ROTATE SAID CYLINDER BODY.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |