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Wire harness assembly line and wheeled worktables

  • US 6,446,743 B2
  • Filed: 12/29/2000
  • Issued: 09/10/2002
  • Est. Priority Date: 01/11/2000
  • Status: Expired due to Fees
First Claim
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1. A wire harness assembly line, comprising:

  • a predetermined conveyance passage defined by one or more objects; and

    a plurality of wheeled worktables, wherein a bottom surface of each wheeled worktable defines a rectangle whose center line is parallel to a traveling direction of the wheeled worktable, while an isosceles triangle whose base and height are equal is defined such that a symmetry axis of the triangle overlaps a center line of said rectangle with the base of the triangle including a longitudinal midpoint of said rectangle, each wheeled worktable comprising;

    a sensor that detects the predetermined conveyance passage by sensing the one or more objects that define the predetermined conveyance passage;

    a driving wheel that steers the wheeled worktable along the predetermined conveyance passage detected by the sensor, the driving wheel being disposed at a vertex of said isosceles triangle; and

    trailing wheels that are respectively disposed at other vertices of the isosceles triangle, revolving surfaces of the trailing wheels being always in a direction parallel to the traveling direction of the wheeled worktable.

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