Assembly system for monitoring proper fastening of an article of assembly at more than one location

  • US RE47,232 E1
  • Filed: 03/07/2017
  • Issued: 02/12/2019
  • Est. Priority Date: 11/19/2001
  • Status: Active Grant
First Claim
Patent Images

1. An assembly system for assembling articles of assembly, each article of assembly having a plurality of fastening locations including at least first and second fastening locations in spaced apart relation, comprising:

  • a fixture holding the article of assembly;

    a plurality of targets including at least a first target fixed relative to the fixture, corresponding to the first fastening location, and a second target fixed relative to the fixture, the second target corresponding to the second fastening location, the second target having a different characteristic than the first target;

    a fastening tool adapted to fasten fasteners into the article of assembly at the first and second fastening locations, the fastening tool having a first position relative to the fixture in which the fastening tool is in position to fasten a fastener at the first location, and a second position relative to the fixture in which the fastening tool is in position to fasten a fastener at the second location;

    a target sensor fixed relative to the fastening tool along at least one axis, the target sensor sensing the first target when the fastening tool is in the first position, the target sensor sensing the second target when the fastening tool is in the second position, the target sensor providing a target output differentiating between the first and second targets and indicating when the fastening tool is in either of the first fastening location and the second fastening location; and

    an electronic controller in communication with the target sensor utilizing said target output to check a quality characteristic of manual fastening operations facilitated by the fastening tool at the plurality of fastening locations, wherein the fastening tool moves independent of the electronic controller and is not controllably positioned thereby.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×