Four degree-of-freedom manipulator

Details Four degree-of-freedom manipulator Four degree-of-freedom manipulator

1995-05-19

1997-10-07

Marmor, Charles A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

901 15, 414729, 414680, G05G 1100

Patent

active

056735952

ABSTRACT:
A four degree of freedom manipulator which comprises a pair of elongate rigid legs connected by a joint. The joint acts as an end-effector or an end-effector is attached thereto, The legs effectively intersect at a point in the joint. The positioning end of each leg is attached to a two degree of freedom positioning mechanism that can position it in a two dimensional plane. The connection between the leg and the positioning mechanism has two passive rotational degrees of freedom. Preferably five bar mechanisms are used as the positioning mechanisms. The manipulator can control the position and orientation of an end-effector.

REFERENCES:
patent: 4976582 (1990-12-01), Clavel
patent: 5040626 (1991-08-01), Paynter
patent: 5107719 (1992-04-01), Kota
patent: 5130632 (1992-07-01), Ezawa
patent: 5279176 (1994-01-01), Tahmasebi et al.
patent: 5301566 (1994-04-01), Tahmasebi et al.
patent: 5333514 (1994-08-01), Toyama
patent: 5447409 (1995-09-01), Grunes
patent: 5522275 (1996-06-01), Mauletti

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