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System and method for conveying rotatable works such as automotive vehicle bodies

  • US 5,686,148 A
  • Filed: 07/21/1994
  • Issued: 11/11/1997
  • Est. Priority Date: 03/23/1991
  • Status: Expired due to Fees
First Claim
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1. A method for conveying works loaded on and supported by a running carrier or conveyor while rotating said works about a rotational axis extending in an approximately horizontal direction of the carrier or conveyor, comprising:

  • a first step of forcibly rotating the works loaded on and supported by the carrier or conveyor about the rotational axis extending in the approximately horizontal direction thereof by applying rotational force to the works;

    a second step of shifting forcible rotation of the works to free rotation of the works by suspending application of rotational force to the works;

    a third step of holding the works so that the free rotation of the works causes the works to rotate and the rotation of the works is then suspended; and

    a fourth step of discharging the works from the carrier or conveyor;

    wherein a center of gravity of a rotary member including the works is located in a position that is below a horizontal plane that contains the rotational axis, prior to rotation of the works.

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