Safety apparatus for elevator

Details Safety apparatus for elevator Safety apparatus for elevator

1997-06-03

1999-12-21

Noland, Kenneth W.

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific means contacting or on load support for...

Includes movable contact component on support for engaging...

188189, B66B 504

Patent

active

060036362

ABSTRACT:
A safety apparatus for an elevator of the present invention includes an emergency stopping mechanism for generating a high frictional force to brake the elevator, a driving apparatus for operating the emergency stopping mechanism, a cam latch mechanism for releasing the driving apparatus when the speed of movement of the elevator reaches a critical speed, and a governor for activating the cam latch mechanism

REFERENCES:
T. Hata et al., "How to Use PLL-IC", Akiba, pp. 20-32, Nov. 1976.

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