Switch with a geometrically reproducibly precise switching point

Details Switch with a geometrically reproducibly precise switching point Switch with a geometrically reproducibly precise switching point

1996-01-22

1998-06-09

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

H01H 316

Patent

active

057638462

ABSTRACT:
An electrical switch has a geometrically reproducibly precise switching point. The switch includes a housing defining a bore therein; an electrically conductive ball disposed within the bore and movable therein; two contact elements fastened in the housing; an elastic element disposed in the housing for pressing the ball against the contact elements such that the ball rests against the contact elements at respective contact points thereby establishing an electrically conductive connection between the contact elements; a plunger element operatively contacting the ball and being movable for lifting the ball off from the contact elements counter to a pressing force of the elastic element for interrupting the electrically conductive connection between the contact elements; and an adjustment element operatively contacting the ball for limiting a margin of movement thereof in a direction essentially perpendicular both with respect to a longitudinal axis of the bore and with respect to an imaginary line connecting the contact points.

REFERENCES:
patent: 2606980 (1952-08-01), Woofter
patent: 3823285 (1974-07-01), Dwyer
patent: 4564730 (1986-01-01), Tomizu et al.
patent: 4681994 (1987-07-01), Nagata et al.
patent: 4795863 (1989-01-01), Tomizu et al.

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