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GRAVITY SAFETY SWITCH

  • US 3,599,745 A
  • Filed: 07/28/1969
  • Issued: 08/17/1971
  • Est. Priority Date: 07/28/1969
  • Status: Expired due to Term
First Claim
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1. A gravity switch combination for protecting a machine subject to tilting at an unsafe operating angle, comprising a housing mountable in a fixed position on said machine, a seat in said housing, an external circuit, a pair of fixed spaced electrical contacts at said seat connectable in said external electric circuit, an electrically conductive ball normally seated on said seat and bridging said contacts to close said circuit, and means for retaining said ball displaced from said contacts once the housing has been tilted to displace the ball from said seat, in which said housing comprises a plurality of tubular wings, said seat being a pocket centrally located with respect to said wings, the last named means comprising other pockets for receiving said ball at ends of the wings, and other spaced fixed contacts at said ends of the wings in said pockets, said other contacts being connectable in other external electrical circuits, any one of said other electrical circuits being closable when said ball is deposited in the pocket of one of the wings to bridge the contacts thereat.

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