Quick-action clamps

Quick-action clamps

  • CN 1,034,318 C
  • Filed: 08/05/1989
  • Issued: 03/26/1997
  • Est. Priority Date: 08/09/1988
  • Status: Active Grant
First Claim
Patent Images

1. quick-action clamps comprises:

  • Decide chuck (22) for one;

    Decide the relative moving chuck (12) of chuck with described for one;

    A sliding bar (14), described moving chuck is installed in an end of described sliding bar, and described sliding bar is removable to be with described moving chuck to draw close and leave the described chuck of deciding;

    In order to supporting the supportive device of described sliding bar, describedly decide chuck and be connected on the described supportive device;

    In order to the unidirectional thrust unit that releasably meshes, when when engagement in order to described sliding bar and moving chuck mounted thereto are advanced near a described second place of decide chuck from a primary importance, described moving chuck just can be decided the chuck propelling towards described when described unidirectional thrust unit unclamps;

    It is characterized in that described unidirectional thrust unit comprises;

    The brake bar (46) of a common and described sliding bar engagement, described brake bar stops described moving chuck to leave the described motion of deciding chuck when meshing with described sliding bar, and described brake bar has an end that is rotatably connected on the described supportive device;

    First spring (54) that forces described brake bar and the engagement of described sliding bar, described engagement stops described moving chuck to decide chuck and recall from described, apply an external force by the other end to described brake bar and make described brake bar and described sliding bar break away from engagement, described power is revolted described first spring and is rotated described brake bar;

    One usually not with the catch bar (32) of described sliding bar engagement;

    A plate machine handle (24) that is installed on the described supportive device and contacts with described catch bar, just force described catch bar and the engagement of described sliding bar from being ready to use in the position along first direction movable plate machine handle, the catch bar of described engagement moves described sliding bar and described moving chuck towards described fixed head;

    WithOne second spring (36) is commonly used to force described catch bar and described sliding bar to break away from engagement, and behind operation panel machine handle, makes described plate machine handle along getting back to described standby position in the opposite direction with described first party.

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