Arresting brake device for elevators

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...

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Details

187376, B66B 504

Patent

active

060926309

ABSTRACT:
An arresting brake device with triggering equipment for elevators provides different braking effect in upward and downward directions of travel. The device includes a tiltable rocker, as a barrier element, provided with an articulated two-point bearing in yielding joint pans. The rocker is operatively connected with a movable brake shoe and is, on actuation by triggering equipment, tilted by entraining members up to an abutment beyond or ahead of its dead center according to the direction of travel of an elevator car in upward or downward directions. By the tilting movement, one or the other yielding joint pan is pushed against a biased adjustable compression spring and the movable brake shoe and a fixed brake shoe are accordingly urged against a guide rail. The compression springs, which are arranged in a spring block, can each be biased separately in a variable manner by a respective setting screw.

REFERENCES:
patent: 5495919 (1996-03-01), Ericson et al.
patent: 5950768 (1999-09-01), Gensike et al.

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