Safety gear

Details Safety gear Safety gear

1997-11-07

2000-08-29

Oberleitner, Robert J.

Brakes

Wheel

One-way brakes

188181A, 187376, F16P 6300

Patent

active

06109398&

ABSTRACT:
A safety gear (1) comprising a frame provided with a braking surface, which, when the safety gear is braking, is pressed against a first guide surface of a guide rail. Mounted in the frame is a roller (3), which moves along a track in the safety gear. The track comprises at least a first gradient and a second gradient, the first gradient having a larger pitch angle than the second gradient. The roller is pressed against a second guide surface of the guide rail when the safety gear is braking. The roller (3) has a stronger grip on the track on the first gradient than on the second gradient.

REFERENCES:
patent: 859718 (1907-07-01), Abbott
patent: 1581458 (1926-04-01), Lindquist
patent: 2897920 (1959-08-01), Falter
patent: 4538706 (1985-09-01), Koppensteiner
patent: 5224570 (1993-07-01), Fromberg

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