Expansible support means
Abstract
Abstract A BASE SUPPORT FOR PROVIDING ANY EXPANSIBLE AND CONTRACTIBLE COUPLING BETWEEN TWO MEMBERS IS DISCLOSED, HAVING A PAIR OF LATERALLY MOVABLE MOUNTS AND A RIGID MOUNT CIRCUMFERENTIALLY SPACED ABOUT A SUPPORT RING COMPRISING THE FIRST MEMBER. EACH MOVABLE MOUNT INCLUDES A FOUR BAR LINKAGE ARRANGEMENT IN WHICH THE TOP HORIZONTAL BAR IS CONNECTED TO THE SUPPORTED SECOND MEMBER. THE RIGID MOUNT IS ALSO CONNECTED TO THE SUPPORTED SECOND MEMBER, WITH THE FOUR BAR LINKAGE ARRANGEMENTS BEING ORIENTED IN SUCH A MANNER THAT THE AXES OF THEIR RESPECTIVE LATERAL MOVEMENTS INTERSECT THE RIGID MOUNT. AS A RESULT, THE MOVABLE MOUNTS COMPENSATE FOR THE THERMAL CONTRACTION AND EXPANSION OF EITHER OF THE MEMBERS WHICH STILL PERMITTING THE SECOND MEMBER TO BE RIGIDLY SECURED TO THE SUPPORT RING.
Inventors
- 👤 Gerrit Steenhagen
- 👤 Robert M Norman
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |