Motion control apparatus with backlash reduction

Motion control apparatus with backlash reduction

  • CN 1,954,154 A
  • Filed: 11/12/2004
  • Published: 04/25/2007
  • Est. Priority Date: 11/14/2003
  • Status: Active Grant
First Claim
Patent Images

1. , the motion control device that together uses of a kind of and bar, bar is for having the axial axle of definition, and bar can be in the axle direction conversion, and device comprises altogether:

  • Tool forms one and holds the shell that bar axially passes the inboard shell surface in hole wherein;

    Be installed in the piston in the inboard shell surface of shell, can between bar motion controller binding site and bar motion controller disengaging configuration, move;

    The lip-deep end cap of inboard shell that is installed in shell slidably is to allow end cap in axial motion;

    Be installed in the friction collar between shell and the end cap, produce a combination force by friction collar and bar when piston is moved toward a spool motion controller binding site, and piston is when bar motion controller disengaging configuration, bar moves at axle direction;

    AndWhen piston during at bar motion controller binding site and when piston be during in bar motion controller disengaging configuration, backlash reducer reduces axial relative movement between friction collar and shell and friction collar and the end cap, with minimizing when the axial back clearance of piston during at bar motion controller binding site.

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