Patent US3200760A successfully refreshed from Google Patents.
US3200760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic apparatus
Assignee: Dowty Hydraulic Units Ltd
•
Filing: 1963-01-07
•
Granted: 1965-08-17
•
Expires: 1983-01-07
Abstract
No abstract record available.
Inventors
- 👤 Thoma Oswald
- 👤 Thomas D H Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:44
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0662; F16C32/0666; F01; F01B; F01B3/00; F01B3/0032; F01B3/0044; F01B3/007; F01B3/0073; F01B3/0082; F01B3/0085; F16C2360/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A BEARING COMBINATION COMPRISING A SLIPPER HAVING A CYLINDRICAL SURFACE OF SLIGHT AXIAL EXTENT AND A BEARING SURFACE TRANSVERSE TO ITS CYLINDRICAL SURFACE, A DRIVE SHAFT ROTATABLE ABOUT A FIRST AXIS, A DRIVING MEMBER INTEGRAL WITH THE DRIVE SHAFT AND FORMED WITH A BORE WHEREIN THE CYLINDRICAL SURFACE OF THE SLIPPER IS CLOSELY RECEIVED AND AXIALLY MOVABLE, BUT WITH ONLY SUFFICIENT CLERANCE TO TILT SLIGHTLY BY REASON OF ITS SLIGHT AXIAL EXTENT, A CAM MEMBER HAVING A BEARING SURFACE COMPLEMENTAL TO THE SLIPPER''S BEARING SURFACE, DISPOSED SUBSTANTIALLY PERPENDICULARLY TO SAID FIRST ROTATION AXIS, AND PARALLEL TO THE PLANE OF ROTATION OF THE DRIVING MEMBER, AND A THRUST MEMBER ROTATABLE BODILY ABOUT A SECOND AXIS WHICH DURING OPERATION INTERSECTS THE FIRST AXIS, AND JOINED TO SAID SLIPPER BY AN ARTICULATED JOINT THE CENTER OF WHICH COINCIDES SUBSTANTIALLY WITH THE CENTER OF SAID CYLINDRICAL SURFACE TO URGE THE SLIPPER GENERALLY AXIALLY ONTO THE BEARING SURFACE OF THE CAM MEMBER.
Claim 2
Dependent Claim
157 words
A BEARING COMBINATION COMPRISING A SLIPPER HAVING A CYLINDRICAL SURFACE OF SLIGHT AXIAL EXTENT AND A BEARING SURFACE TRANSVERSE TO ITS CYLINDRICAL SURFACE, A DRIVE SHAFT ROTATABLE ABOUT A FIRST AXIS, A DRIVING MEMBER INTEGRAL WITH THE DRIVE SHAFT AND FORMED WITH A BORE WHEREIN THE CYLINDRICAL SURFACE OF THE SLIPPER IS CLOSELY RECEIVED AND AXIALLY MOVABLE, BUT WITH ONLY SUFFICIENT CLERANCE TO TILT SLIGHTLY BY REASON OF ITS SLIGHT AXIAL EXTENT, A CAM MEMBER HAVING A BEARING SURFACE COMPLEMENTAL TO THE SLIPPER''S BEARING SURFACE, DISPOSED SUBSTANTIALLY PERPENDICULARLY TO SAID FIRST ROTATION AXIS, AND PARALLEL TO THE PLANE OF ROTATION OF THE DRIVING MEMBER, AND A THRUST MEMBER ROTATABLE BODILY ABOUT A SECOND AXIS WHICH DURING OPERATION INTERSECTS THE FIRST AXIS, AND JOINED TO SAID SLIPPER BY AN ARTICULATED JOINT THE CENTER OF WHICH COINCIDES SUBSTANTIALLY WITH THE CENTER OF SAID CYLINDRICAL SURFACE TO URGE THE SLIPPER GENERALLY AXIALLY ONTO THE BEARING SURFACE OF THE CAM MEMBER.
References Cited (Backward Citations)
US2155455A
Cited
US2608159A
Cited
US2699123A
Cited
GB722864A
Cited
FR1114641A
Cited
US3020847A
Cited
US3056358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |