A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
227/7
A62B 1/08 (2006.01)
Patent
CA 1036999
ABSTRACT OF THE DISCLOSURE 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.
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