Fire escape – ladder – or scaffold – Torso harness – Attached to strand wound on reel – and means for retarding...
Patent
1989-11-17
1990-07-17
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Torso harness
Attached to strand wound on reel, and means for retarding...
182 5, 182239, 188 651, A62B 120
Patent
active
049415484
ABSTRACT:
A fall arresting device attached to a climber's safety harness having an open-sided elongated housing joined together near its center by a spindle, a drum rotatably mounted on the spindle, a clove hitch knot formed in a safety rope and tied around the drum, and a centrifugal clutch assembly on one end of the drum to halt rotation of the drum with respect to the housing plates if the rotation of the drum exceeds a predetermined rate. The housing is comprised of two housing plates which may be counterrotated about the spindle to "open" the device and allow the clove hitch knot to be tied around the drum. When the housing is "closed", by realigning the housing plates, and attached to a climbers harness via carabiners, the clove hitch knot may not be removed from the drum. When the climber pulls the device against the anchored rope at slow speeds, the clove hitch knot slips on the rotation drum and the device travels freely along the rope. If the climber should fall, the resulting high rate of travel of the device along the rope will activate the centrifugal clutch, causing the drum to stop rotating with respect to the housing and the clove hitch knot to tighten around the drum, thereby arresting the climber's fall.
REFERENCES:
patent: 285319 (1883-09-01), Stofflet
patent: 312076 (1885-02-01), Bone
patent: 978571 (1910-12-01), Faeh
patent: 1113369 (1914-10-01), Olson
patent: 1351734 (1920-09-01), Barrington
patent: 3760910 (1973-09-01), Koshihara
patent: 4602699 (1986-07-01), Matt
Rock Exotica, "Soloist" promotional information.
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