A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
227/7, 254/84
A62B 1/00 (2006.01) A62B 1/10 (2006.01)
Patent
CA 1113904
FIRE ESCAPE DESCENDING APPARATUS ABSTRACT OF THE DISCLOSURE A fire escape apparatus comprises a frame having spaced-apart side members, a shaft rotatably mounted in one said member and threadedly engaging another frame side member, a cable drum mounted on the shaft to rotate around the longitudinal axis thereof, a flexible cable wound on the drum and having an end leading off the drum in one direction to be connected to a retainer at an upper storey of a building, a loop on the frame to which a carrier for a person can be attached to suspend the person when the cable end is connected to the retainer, a friction brake between an end of the drum and the adjacent side member, the brake having opposed braking components in frictional contact with one component fixed to the adjacent side member and the other fixed to the drum whereby rotation of the shaft in one direction increases the frictional force generated between the brake components and rotation in the opposite direction lessens the frictional force generated respectively to slow and increase the speed of rotation of the drum.
300281
Fetherstonhaugh & Co.
Hermani Rudolf F.
LandOfFree
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