Robot wrist

Details Robot wrist Robot wrist

1989-04-12

1991-03-05

Diehl, Dwight

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

Wabbler transmission

74421A, F16H 128

Patent

active

049974130

ABSTRACT:
A robot wrist comprising a plurality of mutaully rotatable tubular parts arranged in series with each other and a tubular member (2), such as a tool attachment, the member (2) being rotatably mounted on one (1) of the parts and, via a tubular gear, being driven by a separate motor. The motor (10, 11) has a tubular rotor (11) which, along with the tubular gear (4, 5), is concentrically arranged with the tubular member (2) to form a channel for supply and/or communication caples or light beams. The robot wrist exhibits a great orientation capacity in space while having at the same time a relatively small diameter, which enables the insertion of the part (1) into confined spaces.

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