Device for initiating the blocking of a reel shaft for a safety

Details Device for initiating the blocking of a reel shaft for a safety Device for initiating the blocking of a reel shaft for a safety

1975-01-20

1976-07-06

McCarthy, Edward J.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074B, A62B 3500

Patent

active

039677940

ABSTRACT:
A device for blocking the shaft of a safety belt mechanism in which the blocking of the shaft is initiated in response to acceleration of the shaft in pay-out direction. An inertia responsive disc element is mounted on the shaft and movement thereof on the shaft initiates blocking of the shaft. To augment the inertia effect a magnet adjacent the disc provides a retarding effect thereon by the magnetic field from the magnet or by eddy currents in the disc induced therein by the field.

REFERENCES:
patent: 2708966 (1955-05-01), Davis
patent: 3294339 (1966-12-01), Fontaine
patent: 3787002 (1974-01-01), Hayashi
patent: 3876031 (1975-04-01), Stouffer

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