Presentation of parts

Details Presentation of parts Presentation of parts

1994-07-01

1997-06-03

Underwood, Donald W.

Material or article handling

Load carried along a horizontal linear path

Having gripper means

29283, 1983451, 2941191, B65G 2500

Patent

active

056347634

ABSTRACT:
A method and apparatus for accurately positioning parts precisely in a predetermined location, including a frame having a part receiving zone on which said parts are placed for movement to the predetermined location. Two positioners are mounted on linear bearings connected to the frame and are connected to a cable for opposed motion toward and away from the part on the receiving zone under control of the cable. The cable is trained around a four pulleys mounted on said frame and connected to a cable cylinder. The cable passes axially through cylinder and connects to a piston on the centerline of the piston. Movement of the piston in one direction in the cylinder is operative to move the cable and the attached positioners toward each other to center the part. Movement of the piston in the opposite direction moves the positioners away from each other to release the part.

REFERENCES:
patent: 2615748 (1952-10-01), Olson
patent: 3472401 (1969-10-01), Scaperotto
patent: 3540770 (1970-11-01), Mitchell
patent: 4416577 (1983-11-01), Inaba et al.
patent: 4821393 (1989-04-01), Spigarelli
patent: 4898416 (1990-02-01), Hubbard et al.
patent: 5066189 (1991-11-01), Shell

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