Two-armed transfer robot

Details Two-armed transfer robot Two-armed transfer robot

1998-03-09

1999-09-14

Jeffery, John A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

4147445, 414935, 414941, B25J 1800

Patent

active

059504951

ABSTRACT:
A two-armed transfer robot includes a pair of double-pantograph mechanisms. These mechanisms are substantially symmetrical to each other with a vertical plane. Each double-pantograph mechanism includes a first pantograph assembly and a second pantograph assembly. The second pantograph assembly supports a handling member for carrying a workpiece to be processed. The second pantograph assembly is offset away from the vertical plane with respect to the first pantograph assembly. A rotation-transmitting mechanism is provided between the first and the second pantograph assemblies of each double-pantograph mechanism. Thus, the two pantograph assemblies of each double-pantograph mechanism are actuated in cooperation for linearly moving the handling member. The handling members of the respective double-pantograph mechanisms are vertically spaced from each other. The handling members are arranged not only to move linearly but to rotate simultaneously around a vertical axis.

REFERENCES:
patent: 5083896 (1992-01-01), Uehara et al.
patent: 5151008 (1992-09-01), Ishida et al.
patent: 5333986 (1994-08-01), Mizukami et al.
patent: 5421695 (1995-06-01), Kimura
patent: 5439547 (1995-08-01), Kumagai
patent: 5636963 (1997-06-01), Haraguchi et al.
patent: 5647724 (1997-07-01), Davis, Jr. et al.
patent: 5813823 (1998-09-01), Hofmeister

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