Robotic wrist

Details Robotic wrist Robotic wrist

1983-01-13

1985-12-10

Callaghan, Thomas F.

Joints and connections

With fluid pressure responsive component

92 24, 92DIG2, 403 40, 403 56, 403 90, 414 4, F16D 380

Patent

active

045576238

ABSTRACT:
An accommodating linkage device which operates in three modes to provide, upon command, either: (1) a standard, resetable, rigid linkage between two objects; (2) a flexible linkage which responds to relative motion (forces) between two objects; (3) or an arbitrary, rigid linkage between two objects. The device includes two ball joints which connect to the two objects, a pair of locking pistons, and a pair of alignment pistons. Operation of the device is in response to either control signals or to forces generated by the relative motion of the two objects, depending upon operating mode.

REFERENCES:
patent: 2710234 (1955-06-01), Hansen
patent: 3158071 (1964-11-01), Gut
patent: 3264943 (1966-08-01), Schmitt

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