Articulated arm transfer device

Details Articulated arm transfer device Articulated arm transfer device

1991-04-18

1993-01-19

Huppert, Michael S.

Material or article handling

Load carried along a horizontal linear path

Having gripper means

74 98, 74106, 74521, 4147445, 901 15, G25J 1800

Patent

active

051802767

ABSTRACT:
An articulated arm transfer device employs a rhomboidal link structure defined by two separated pairs of forearms pivotally joined at the elbows and at the wrists. Each wrist supports a holding structure and the elbows are driven in mirror-image semicircular paths by a pair of upper arms which are superimmposed alternately under each pair of forearms as the upper arms are rotated about mutually adjacent shoulder joints. The motion is such that at any time one holding structure is moving rapidly between an extended position and a park position while the other holidng structure is slowly traveling a negligible distance between a park position and a retracted position.

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patent: 4721971 (1987-12-01), Fyler
patent: 4730975 (1988-03-01), Munakata
patent: 4909701 (1990-03-01), Hardegen et al.

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