Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes control for power source of drive-means
Patent
1992-06-12
1995-01-03
Noland, Kenneth W.
Elevator, industrial lift truck, or stationary lift for vehicle
Having specific load support drive-means or its control
Includes control for power source of drive-means
187293, 187276, 187289, 187373, B66B 516
Patent
active
053777867
ABSTRACT:
An elevator includes a cab supported and guided by guide rails for travel along the guide rails. Emergency stop devices for stopping the travel of the cab are fixed to the cab. Mounted on the cab is a governor for actuating the stop devices when the traveling speed of the cab exceeds a predetermined speed. The governor includes a roller mounted on the cab and in rolling contact with one of the guide rails so that the roller rolls on the guide rail in interlocking engagement upon travel of the cab. A governor pulley is rotatably mounted on the cab and connected to the roller through a belt so as to rotate in interlocking cooperation with the roller. A safety Link mechanism is mounted on the cab and actuates the stop devices when the rotating speed of the governor pulley exceeds a predetermined speed.
REFERENCES:
patent: 740566 (1903-10-01), Holger
patent: 764038 (1904-07-01), Carpenter
patent: 885560 (1908-04-01), Worthington
patent: 3848706 (1974-11-01), Darwent
patent: 3942607 (1976-08-01), Sobat
patent: 3980161 (1976-09-01), Mauldin
patent: 4556155 (1985-12-01), Koppensteiner
patent: 4856623 (1989-08-01), Romig, Jr.
patent: 5052523 (1991-10-01), Ericson
patent: 5065845 (1991-11-01), Pearson
patent: 5090515 (1992-02-01), Takahashi et al.
patent: 5158156 (1992-10-01), Okuma et al.
Kabushiki Kaisha Toshiba
Noland Kenneth W.
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