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Magnetic switch with auto-release function

  • US 20080061565A1
  • Filed: 03/14/2007
  • Published: 03/13/2008
  • Est. Priority Date: 09/12/2006
  • Status: Abandoned Application
First Claim
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1. A magnetic switch installed in hinged first member and second member of a lifting cover type article for locking the hinged first member and second member when the hinged first member and second member are closed together, the magnetic switch comprising:

  • a fixed unit fixedly mounted in a front end edge of the second member of said lifting cover type article, said fixed unit comprising at least one magnetic device;

    a movable unit mounted in a front end edge of the first member of said lifting cover type article;

    said movable unit comprising a driven rod arranged in parallel and movable relative to the front end edge of the first member of said lifting cover type article, a holder member fixedly mounted on said driven rod movable with said driven rod relative to the first member of said lifting cover type article between a first position and a second position, at least one magnetic device mounted in said holder member and adapted to attract the at least one magnetic device of said fixed unit when said holder member is in said first position and to repulse the at least one magnetic device of said fixed unit when said holder member is in said second position, spring means mounted on said driven rod and connected between a part of said driven rod and a part of the first member of said lifting cover type article to support said holder member in said first position, and a key extending out of the front end edge of the first member of said lifting cover type article for operation by the user to move said driven rod relative to the front end edge of the first member of said lifting cover type article against the spring power of said spring means and to further move said holder member from said first position to said second position.

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