Rotary speed limiter device

Details Rotary speed limiter device Rotary speed limiter device

1977-10-05

1979-11-06

Blix, Trygve M.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

182 5, 188316, 188322, 254157, A62B 112

Patent

active

041733320

ABSTRACT:
A rotary speed limiter device particularly useful as a fire escape device. The device has a rotary speed limiter member mounted on a shaft to slide axially on the shaft and to rotate with it. Means, the speed of which is to be controlled, rotates the shaft. As the shaft is rotated, means applies a braking force on the speed limiter member, causing it to compress air in a surrounding support body and to move axially on the shaft, to limit the speed of the shaft rotating means.

REFERENCES:
patent: 1993074 (1935-03-01), Payson
patent: 3211396 (1965-10-01), McQuillen
patent: 3595528 (1971-07-01), Virkki
patent: 3628638 (1971-12-01), Curchack
patent: 3879016 (1975-04-01), Kankkunen
patent: 4003550 (1977-01-01), Brodin

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