Electricity: circuit makers and breakers – Special application – Change of inclination or of rate of motion responsive
Patent
1976-10-28
1979-01-16
Scott, James R.
Electricity: circuit makers and breakers
Special application
Change of inclination or of rate of motion responsive
200 6147, 200182, 200186, 200215, 200220, 200225, 200226, 200234, 335 47, H01H 3514, H01H 2900
Patent
active
041350677
ABSTRACT:
An omnidirectional tilt switch includes an enclosure for a gravity response conductive ball. An annular shelf surrounds a central depression where at least one switch contact passing into the housing is exposed. The shelf is operable to support the ball in a position resting against a cup-shaped portion of the switch housing, with the ball centroid located within a imaginary right cylinder having the inner shelf periphery as a base. In response to tilting of the switch, the ball is movable away from the cup-shaped housing to the depression where it engages the aforementioned contact and closes a circuit between that and another contact.
A switch holder mounts the switch on a substrate located, for example, in an electro-optical display-type watch. The holder includes a base with a positioning edge or surface and tabs for securing the base to the substrate. Remote from the positioning edge or surface, the switch is supported at an angle relative to the positioning edge or surface.
REFERENCES:
patent: 1536439 (1925-05-01), Knutsson
patent: 2145543 (1939-01-01), Gross
patent: 2450780 (1948-10-01), Bucklen
patent: 3141084 (1964-07-01), Stromberg
patent: 3233093 (1966-02-01), Gerlat
patent: 3342965 (1967-09-01), Bosch
patent: 3351726 (1967-11-01), Cook
patent: 3646490 (1972-02-01), Bitko
patent: 3978301 (1976-08-01), Bitko
patent: 4001185 (1977-01-01), Mitsui et al.
Fifth Dimension Inc.
Scott James R.
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