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Drive control device for opening/closing member

  • US 5,530,329 A
  • Filed: 03/28/1995
  • Issued: 06/25/1996
  • Est. Priority Date: 03/31/1994
  • Status: Expired due to Term
First Claim
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1. A drive control device for controlling a driving mechanism active to move an opening and closing member in first and second directions, comprising:

  • resistance detecting means which outputs a closing resistance value which varies in accordance with a detected resistance acting against movement of said opening and closing member during moving operation thereof;

    pinch detecting means, active to terminate moving operation of said opening and closing member when said closing resistance value detected by said resistance detecting means exceeds a predetermined threshold level; and

    threshold control means which varies said threshold level in accordance with a moving speed of said opening and closing member.

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