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Lock for slide adjustment of boat seat or table top

  • US 5,884,887 A
  • Filed: 07/07/1997
  • Issued: 03/23/1999
  • Est. Priority Date: 02/05/1997
  • Status: Expired due to Term
First Claim
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1. A blocking mechanism for a slidably adjustable boat seat or table top, comprising:

  • a first generally rectangular rigid plate member adapted for attachment to the underside of the seat or table top;

    a second generally rectangular rigid plate member adapted for attachment to a supporting surface;

    said first plate member having two elongate opposite edges curved underside to provide parallel tracks;

    said second platte member having a series of spaced-apart recesses along one edge slidably engaged in one of said tracks and an opposite smooth edge slidably engaged in the other track;

    an elongated rod having a series of teeth therealong axially rotatably mounted in said one track;

    a spring rotatably biasing said rod so the rod teeth engage said recesses; and

    a handle attached to said rod extending outward beyond the one edge of said first plate member for manually rotating said rod to move the rod teeth out of engagement with the recesses in said second plate member.

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