Elevator – industrial lift truck – or stationary lift for vehicle – Miscellaneous
Reexamination Certificate
2007-08-14
2007-08-14
Crawford, Gene O. (Department: 3654)
Elevator, industrial lift truck, or stationary lift for vehicle
Miscellaneous
C294S067500, C294S164000, C294S167000, C254S126000, C254S134000, C254S001000, C248S589000, C248S323000
Reexamination Certificate
active
11174803
ABSTRACT:
An apparatus for moving elevator equipment, particularly an elevator car when stuck in a shaft, comprises a suspension point which is connected to the elevator equipment by an adjustable-height connection. Contrary to the prior art, the suspension point includes a length-adjustable assembly configured for engagement with opposing walls of the shaft or opposing guide rails within the shaft at any chosen location along the shaft. The invention thus provides a localized solution that can be used conveniently at any position within the shaft and is therefore independent of the position, and indeed the presence, of any lifting hooks within the shaft.
REFERENCES:
patent: 803245 (1905-10-01), Mater
patent: 1696557 (1928-12-01), Tomlin
patent: 2747690 (1956-05-01), Vandergriff
patent: 2804175 (1957-08-01), Phillips
patent: 4333549 (1982-06-01), Davis
patent: 5224570 (1993-07-01), Fromberg
patent: 6082506 (2000-07-01), Huang et al.
patent: 0 983 956 (2000-03-01), None
patent: 05229766 (1993-09-01), None
Elmiger Pius
Marcuz Carlos Latorre
Inventio AG
Kruer Stefan
Schweitzer Cornman Gross & Bondell LLP
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