Safety switch

Details Safety switch Safety switch

2006-01-10

2006-01-10

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C337S037000, C337S066000

Reexamination Certificate

active

06984798

ABSTRACT:
A safety switch comprises a hollow body having an opening and a lower end of the hollow body having three slots; a button pivotally installed upon the opening; a first power terminal installed at one of the three slots; a second power terminal installed at another of the three slots; a load terminal installed at the other slot of the three slots; an elastomer being a U shape metal piece; one end of the elastomer being buckled to an upper end of the load terminal and another end thereof being buckled to the press block of the button; and a metal sheet being installed at a lower side of the button; the metal sheet being made of a compound metal having materials of different expansion coefficients; one end of the metal sheet being connected to the a power terminal; and another end thereof being installed with a conductive silver sheet.

REFERENCES:
patent: 5012495 (1991-04-01), Munroe et al.
patent: 5760672 (1998-06-01), Wang
patent: 6072381 (2000-06-01), Yu
patent: 6674033 (2004-01-01), Wang

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