Powered wrist joint

Details Powered wrist joint Powered wrist joint

1976-10-15

1978-02-14

Wyche, Benjamin W.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74665P, 74479, 248179, F16H 3706, F16M 1104

Patent

active

040732010

ABSTRACT:
A powered wrist joint consisting of a base having a pitch member mounted thereon for rotation about a pitch axis and a pitch drive mounted on the base for driving the pitch member about the pitch axis and a yaw shaft mounted on the pitch member on a yaw axis which is disposed at right angles to and intersects the pitch axis. A housing is mounted on the yaw shaft for rotation about the yaw axis. A yaw drive is mounted in the housing for driving the housing about the yaw axis and a roll shaft is mounted for rotation in the housing about the roll axis which is disposed at right angles to the pitch and yaw axes and intersects the pitch and yaw axes at their point of intersection thereby to provide a common center of pitch, yaw and roll gyration.

REFERENCES:
patent: 2899677 (1959-08-01), Rockall
patent: 3164340 (1965-01-01), Slater et al.
patent: 3166949 (1965-01-01), Lapp
patent: 3229941 (1966-01-01), Suliteanu et al.
patent: 3541561 (1970-11-01), Chubb, Jr.
patent: 3626769 (1971-12-01), Hecker et al.
patent: 3691864 (1972-09-01), Cochran et al.
patent: 3765631 (1973-10-01), Herbst et al.
patent: 4006645 (1977-02-01), Newell

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