Elevator system

Details Elevator system Elevator system

1976-08-26

1978-01-24

Schaefer, Robert K.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 67, 200 6118, B66B 528

Patent

active

040698971

ABSTRACT:
An elevator system including an elevator car mounted for vertical movement in a building hoistway, suitable control and drive means, and a buffer-switch combination located in the pit of the hoistway, the switch being electrically connected to the control means. An annular member is mounted about the buffer plunger so that it is free to rotate. A cable is connected between the annular member and the switch so that the switch is in one condition when the buffer plunger is restored and another condition when the plunger is retracted.

REFERENCES:
patent: 1614675 (1927-01-01), Jones
patent: 1654650 (1928-01-01), Hymans
patent: 3109075 (1963-10-01), Ratcliff
patent: 3798631 (1974-03-01), Langford
patent: 3814876 (1974-06-01), Biafore

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