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Bottle cap removal torque tester

  • US 4,794,801 A
  • Filed: 06/16/1987
  • Issued: 01/03/1989
  • Est. Priority Date: 06/16/1987
  • Status: Expired due to Term
First Claim
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1. A bottle cap removal torque tester comprising:

  • vertical guide means;

    means for fixedly holding a bottle to be tested with respect to said vertical guide means;

    a chuck engageable with the cap of said bottle for rotating said cap with respect to said bottle; and

    a chuck rotating means for rotatably driving said chuck and for axially pressing said chuck against said cap on said bottle, said chuck rotating means comprising a power driven rotate motor for rotating said chuck in a direction to loosen said cap from said bottle and a torque sensor for sensing the torque applied by said rotate motor to said bottle cap;

    a support unit alternatively fixed on and vertically slidable on said vertical guide means;

    a carriage vertically slidable on said vertical guide means above said support unit, said carriage carrying said chuck rotating means;

    means interposed between said support unit and carriage and manually actuable to raise and lower the carriage with respect to said support unit, said means to raise and lower said carriage comprising an arm pivoted on said support unit, a cam fixed on one of said arm and carriage, a cam follower roller on the other of said arm and carriage, said roller opposing said cam for riding thereon to support said carriage except when a bottle cap supports said chuck and therewith said carriage, said arm having means urgeable for pivoting said arm in a direction to interengage said roller and cam and therewith raise said carriage with respect to said support units, and means for holding said carriage stable in a raised position without further urging of said arm.

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