Vertical conveying apparatus

Details Vertical conveying apparatus Vertical conveying apparatus

1978-10-02

1980-12-23

Spar, Robert J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

188188, B66B 516

Patent

active

042405297

ABSTRACT:
Apparatus for conveying goods in vertical direction, such as a stacker crane or elevator, with a lifting unit and an emergency braking system which influences the lifting unit as soon as a preselectable speed is exceeded. The braking system comprises two wedges connected to an endless rope drive moving synchronously with the lifting unit. The rope drive moves only up to a preselectable top speed, and as soon as a speed difference between rope drive and lifting unit occurs, the brake wedges are activated and decelerate the lifting unit progressively until it stops.

REFERENCES:
patent: 1581459 (1926-04-01), Linquist
patent: 3441107 (1969-04-01), Thorne et al.
patent: 3481432 (1969-12-01), Walter
patent: 3509970 (1970-05-01), Gabler
patent: 3653467 (1972-04-01), Showalter
patent: 4078634 (1978-03-01), Thomas

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