Multi-angle tilt switch device with adjustable oscillating contr

Details Multi-angle tilt switch device with adjustable oscillating contr Multi-angle tilt switch device with adjustable oscillating contr

1975-02-28

1976-06-15

Scott, James R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6152, H01H 3514

Patent

active

039638880

ABSTRACT:
The tilt switch device includes a cylindrical casing having a platform therein located near its upper end. A circular disc has a downwardly projecting flange or skirt which rests on the platform. A rod is threadedly attached to the center of the disc, the upper end of the rod projecting a preferred distance thereabove. The rod depends downwardly from the disc through a hole in the platform. Carried at the lower end of the rod in a pendulum-like manner is a tubular weight member which is immersed in a damping fluid contained in the casing. Whenever there is a sufficient relative angular displacement of the casing with respect to the rod, the disc fulcrums or pivots about a segmental portion of its peripheral edge to cause the upper end of the rod to rock upwardly. A snap action switch unit, which is fixedly mounted in the upper end portion of the casing, has a downwardly biased plunger, the upward shifting or rocking of the end of the rod forcing the plunger upwardly to close a pair of normally open switch contacts (or to open a pair of normally closed contacts).

REFERENCES:
patent: 2043530 (1936-06-01), Pezotell
patent: 2235328 (1941-03-01), Neeper
patent: 2596427 (1952-05-01), Nordmark
patent: 2596666 (1952-05-01), Edgar et al.
patent: 2768256 (1956-10-01), Barecki et al.
patent: 3066202 (1962-11-01), Kaleba et al.
patent: 3175059 (1965-03-01), Chesnut
patent: 3790727 (1974-02-01), Laserson et al.
patent: 3898400 (1975-08-01), Takada

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