Gravity switch and method of making same

Details Gravity switch and method of making same Gravity switch and method of making same

1983-05-04

1984-08-21

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6152, 200 6183, 200DIG29, H01H 3502

Patent

active

044671547

ABSTRACT:
A molded cup-shaped dielectric member and a cup-shaped conductor member are pressed together to comprise an integral dimensionally stable sealed enclosure for a contact member movable axially therein for selectively making or breaking an electrical connection between the cup-shaped conductor member and a second conductor extending axially through and sealed within the base of the cup-shaped dielectric member. The axially outer surfaces of the base and the second conductor comprise electrical contacts for a gravity actuated switch. The overall axial dimension between the axially outer surfaces is obtained by telescoping the cup-shaped members coaxially together until the preselected axial dimension is obtained. In one embodiment the cup-shaped dielectric member has a cylindrical base and a coaxial diametrically reduced cylindrical portion extending from the cup-shaped base to an upper opening. The conductor is telescoped over the diametrically reduced portion in fluid sealing relationship. The enclosure has an interior cylindrical surface of optimum diameter for the axially movable contact member comprising a metallic ball also of optimum diameter for any given size switch.

REFERENCES:
patent: 1971585 (1934-08-01), Sureng
patent: 2277352 (1942-03-01), Posey
patent: 2601142 (1952-06-01), Hubbard
patent: 4001185 (1977-01-01), Mitsui et al.
patent: 4042796 (1977-08-01), Zink

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