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Tilt responsive underhood lamp switch assembly

  • US 5,504,287 A
  • Filed: 11/15/1994
  • Issued: 04/02/1996
  • Est. Priority Date: 11/15/1994
  • Status: Expired due to Fees
First Claim
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1. A lamp assembly for use in automotive applications comprising:

  • a housing;

    a switching assembly located within said housing, said switching assembly comprisinga pivot block,a tube having a first and a second side and a first and second end cap, the first side of said tube being on said pivot block,a contact arm having a first and a second end, the first end of said contact arm being attached to said pivot block, said contact arm extending from said pivot block to said second side of said tube,a roller contact fixed to the second end of said contact arm,two bridge switch terminals located adjacent said roller contact, said roller contact bridging a space between the two bridge switch terminals when said roller contact is in a closed position and being separated from the two bridge switch terminals when said roller contact is in an open position.a sphere movably located within said tube, said sphere being gravitationally forced against the first end cap of said tube when said housing is in a normal position thereby maintaining said roller contact in the open position, and said sphere being gravitationally forced along the length of said tube toward said second end cap when said housing is rotated angularly with respect to the normal position thereby forcing the roller contact into the closed position; and

    a pair of terminals for receiving a light bulb, said light bulb being illuminated when said roller contact is in the closed position.

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