Safety device for an elevator

Details Safety device for an elevator Safety device for an elevator

2006-11-14

2006-11-14

Matecki, Kathy (Department: 3654)

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...

C187S351000, C187S360000, C187S367000, C187S373000

Reexamination Certificate

active

07134529

ABSTRACT:
A safety device includes a trigger mechanism for triggering a braking wedges attached to first and second double levers to stop an elevator car. A retaining spring detents with a pin on the first double lever and a tension spring engages either the first double lever or the second double lever. The retaining spring maintains the double levers unactuated during normal operation of the elevator and the spring element actuates the double levers after an actuation of the trigger mechanism by a speed limiter.

REFERENCES:
patent: 5495919 (1996-03-01), Ericson et al.
patent: 5950768 (1999-09-01), Gensike et al.
patent: 6092630 (2000-07-01), Wendel et al.
patent: 6564907 (2003-05-01), Sasaki
patent: 02 144389 (1990-08-01), None
patent: 2000 219450 (2001-01-01), None

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