Building wall descent device having a manually operated brake me

Details Building wall descent device having a manually operated brake me Building wall descent device having a manually operated brake me

1985-06-03

1986-12-16

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Torso harness

With pole encircling or grasping means

182 82, A62B 120

Patent

active

046290320

ABSTRACT:
The present invention contemplates a descent device including a roller having an annular groove about its contact surface, a support structure to which the roller is rotatably attached, a pinion gear rotatably attached to the support structure, a rotor disk directly coupled to the pinion gear, a braking device coupled to the support structure for controlling the speed of rotation of the rotor, a hand held actuator for activating the brake device, and a sling attached to the support structure capable of supporting a person who can control his or her descent by actuating the brake device, enabling a person to escape from a building during emergency conditions.
The present invention also contemplates the combination of the above-described descent device and a vertically extending rail-like support track which is fixedly secured to the exterior of a building wall. The track is shaped substantially like an I-beam in which one edge of the I-beam includes a plurality of recesses and projections to form a rack designed to correspond with the pinion gear of the descent device, while the other edge of the I-beam is straight and smooth and is designed to correspond with the roller whose contact surface contacts the smooth edge.

REFERENCES:
patent: 275608 (1883-04-01), Drake
patent: 2647675 (1953-08-01), Bernett
patent: 3207263 (1965-09-01), Cull
patent: 4121689 (1978-10-01), Bonvin
patent: 4350224 (1982-09-01), Jochum
patent: 4406349 (1983-09-01), Vilchek
patent: 4499966 (1985-02-01), Milne
patent: 4520895 (1985-06-01), Armstrong

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