Coaxial drive loader arm

Details Coaxial drive loader arm Coaxial drive loader arm

1996-09-20

1999-06-01

Underwood, Donald W.

Material or article handling

Horizontally swinging load support

Swinging about pivot

7449004, B25J 1800

Patent

active

059082810

ABSTRACT:
An transfer device for moving substrates from one position to another comprises a base and a drive arm pivotally connected to one another about a first pivot axis. A drive is connected to the drive arm for moving the drive arm through an arc about the first pivot axis. The drive arm has a free end which has a second pivot axis disposed parallel to the first pivot axis. The drive arm free end further including at least one article handling element which is rotatably disposed about the second pivot axis. A belt rotatably couples the at least one article handling element to the base such that upon movement of the drive arm through the arc in a first rotary direction the at least one article handling element is rotated in the other opposite direction to move a substrate along a straight line path.

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