Pull retainer emergency safety switch

Details Pull retainer emergency safety switch Pull retainer emergency safety switch

2006-05-16

2006-05-16

Friedhofer, Michael (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S341000

Reexamination Certificate

active

07045732

ABSTRACT:
A pull retainer emergency safety switch includes a plastic housing and a switch module, wherein, the plastic housing has a push block device and a pull retainer piece has a ring retainer. The ring retainer abuts on a rotating handle configured in an upper portion of the push block device, and causes an underside of the rotating handle to abut on a triangular push block, and a bottom surface of the triangular push block is utilized to abut on a top surface of another triangular push block, thereby enabling a side surface of the second triangular push block to abut upon a push button of the switch module. When pulling on the pull retainer pieces the rotating handle with an anticlockwise rotating force produced that actuates the triangular push block and enables a horizontal displacement thereby pressing the switch module to actualize rapid cutting off of power supply.

REFERENCES:
patent: 3801767 (1974-04-01), Marks
patent: 4364556 (1982-12-01), Otte
patent: 4426075 (1984-01-01), Otte
patent: 4454392 (1984-06-01), Rapp et al.
patent: 6930267 (2005-08-01), Chou

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