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Electrically controlled clamping system

  • US 6,237,438 B1
  • Filed: 07/06/1999
  • Issued: 05/29/2001
  • Est. Priority Date: 07/13/1998
  • Status: Expired due to Term
First Claim
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1. A clamping system for angularly adjusting the position of a movable first member (1) relative to a stationary second member (2), comprising:

  • (a) a stationary generally U-shaped support member (2) having a generally horizontal base portion (12), and a pair of downwardly depending vertical clamping leg portions (13 and 14) each having a lower free end;

    (b) a movable member (1) arranged transversely between said clamping leg portions;

    (c) means pivotally connecting said movable member between said vertical leg portions, including a stationary horizontal clamping rod (21) extending between aligned openings (19, 20;

    10) contained in said leg portions and in said movable member, respectively, said clamping leg end portions normally having released positions permitting pivotal movement of said movable member relative to said support member;

    (d) rotatably operable clamping means (3;

    148) operable to displace said clamping leg lower ends inwardly together from said released positions toward clamping positions in engagement with said movable member, respectively, said clamping means including first and second bearing means arranged on said clamping rod on opposite sides of said stationary member, respectively; and

    (e) drive means including speed reducer means (60) for operating said clamping means to displace said leg end portions between said released and clamping positions, respectively.

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