Gravity actuated electrical switch

Details Gravity actuated electrical switch Gravity actuated electrical switch

1996-05-31

1998-06-16

Wong, Peter S.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6145R, 200 6183, 340689, H01H 3502

Patent

active

057674671

ABSTRACT:
A gravity actuated electrical switch in which electrical contact is made and then broken as the switch is moved from a horizontal to a vertical position consisting of a container within which is disposed a metallic rollable member, a vertical wall member within the container of a height to allow the rollable member to pass over the top of the wall, a pair of electrical contacts capable of being bridged by the rollable member positioned against the wall, and a horizontal ramp member forward of the contacts. Motion of the switch causes the rollable member to move forward, bridge the contacts and then fall to the forward end of the container. Return motion causes the rollable member to move back along the ramp and pitch over the wall without again joining the contacts.

REFERENCES:
patent: 3712405 (1973-01-01), Dillmann
patent: 3753474 (1973-08-01), Dillmann
patent: 4513183 (1985-04-01), Hill
patent: 5278540 (1994-01-01), Caban-domenech

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