Hydraulic manipulator

Details Hydraulic manipulator Hydraulic manipulator

1993-09-27

1995-01-10

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

74105, 7449002, 901 22, 901 28, 901 50, B25J 1700, B25J 1800

Patent

active

053796640

ABSTRACT:
A joint of a hydraulic manipulator connects two hollow arm members and includes two indirect linkage members arranged to provide increased scope for the joint. Hydraulic hoses or cables extend through the hollow arm members, so as to be protected, and along a route which intersects the centre axis of the joint so they are not stretched as the joint bends.

REFERENCES:
patent: 2813645 (1957-11-01), Pilch
patent: 3057490 (1962-10-01), Sauer
patent: 3085648 (1963-04-01), Di Benedetto
patent: 3430503 (1969-03-01), McLaughlin
patent: 3792782 (1974-02-01), Melton
patent: 3891056 (1975-06-01), Ashworth
patent: 4458800 (1984-07-01), Christenson
patent: 4693663 (1987-09-01), Brenholt et al.
patent: 4706511 (1987-11-01), Houston
patent: 5060532 (1991-10-01), Barker

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