Lifesaving apparatus

Details Lifesaving apparatus Lifesaving apparatus

1994-08-30

1996-12-10

Cuchlinski, Jr., William A.

Geometrical instruments

Distance measuring

By flexible tape

33760, 33765, 33771, 182231, 182236, 428375, 428394, 428395, 428902, G01B 310, A62B 106

Patent

active

055819010

ABSTRACT:
A lifesaving apparatus comprising a scale usable as a life line, the scale comprising a high tensile strength wire with graduations in a longitudinal direction thereof, a drum for winding the metal wire thereonto, a casing accommodating the drum while permitting the same to rotate, a magnifying glass on the casing for allowing the graduations to be read, and a person carrying system. The high tensile strength wire of high tensile strength is formed of a stranded cable formed of a plurality of strands each having a tensile strength of at least 400 kgf/mm.sup.2 such that the high tensile strength wire is capable of suspending a person. The strands have a coat of a synthetic resin covering the strand. The person carrying system is connected to an end of the scale.

REFERENCES:
patent: 288447 (1983-11-01), Keith et al.
patent: 2602233 (1952-07-01), Irving
patent: 2994958 (1961-08-01), Beeber
patent: 3630488 (1971-12-01), Stangl
patent: 5042613 (1991-08-01), Hermann
patent: 5383285 (1994-01-01), Takahashi

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