Door coupling apparatus for elevator systems
Abstract
Abstract A DOOR COUPLING APPARATUS FOR AN ELEVATOR SYSTEM FOR COUPLING AND DRIVING AN ELEVATOR CAR DOOR AND A HOISTWAY DOOR OF AN ELEVATOR SYSTEM FOR SIMULTANEOUS MOVEMENT OF THE DOORS BETWEEN OPEN AND CLOSED POSITIONS. THE DOOR COUPLING APPARATUS INCLUDES A VANE ASSEMBLY, WHICH IS MOUNTED ON THE CAR DOOR COUPLING THE HOISTWAY DOOR THERETO, AND INCLUDES AN ELONGATE LINK ASSEMBLY WHICH HAS ONE END THEREOF CONNECTED TO THE VANE ASSEMBLY WHICH URGING THE VANE ASSEMBLY TO COUPLE THE DOORS AND FOR LATCHING THE VANE ASSEMBLY AFTER THE DOORS ARE COUPLED TOGETHER. THE DOOR COUPLING APPARTUS ALSO INCLUDES A DOOR OPERATING MECHANISM WHICH IS CONNECTED TO THE OTHER END OF THE LINK ASSEMBLY FOR DRIVING THE COUPLED DOORS BETWEEN THE OPEN AND CLOSED POSITIONS. THE DOOR COUPLING APPARATUS ALSO INCLUDES A RELEASING MEMBER ARRANGED TO ENGAGE THE LINK ASSEMBLY AFTER THE COUPLED DOORS REACH THE CLOSED POSITION FOR UNLATCHING THE VANE ASSEMBLY AND FOR UNCOUPLING THE DOORS IN THE CLOSED POSITION.
Inventors
- 👤 John Lusti
Bibliographic Details
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |