Safety coupling device for robotic tooling

Details Safety coupling device for robotic tooling Safety coupling device for robotic tooling

1989-07-25

1990-09-04

Cuomo, Peter M.

Joints and connections

Articulated members

Plural distinct articulation axes

403 59, 403116, 901 29, 901 49, 414730, F16D 316, B25J 1906, B25J 1702

Patent

active

049540050

ABSTRACT:
A coupling device includes a first support member which is connected to the arm of a robot and which supports a second support member for precision universal tilting and axial and/or rotary movement from an aligned normal position. The second support member supports robotic tooling, and a set of springs or springs and ball members or fluid actuated piston bias the support members to the normal position. An electrical control circuit is effective to stop movement of the robot arm in response to minute tilting or axial or rotary movement of the second support member in the event the tooling or article carried by the tooling is accidentally hit or overloaded. A set of semi-circular rings and auxiliary springs are attached to the support members for producing a substantial biasing force towards the normal position, and a set of construction balls and corresponding seats are used to establish a precision normal position.

REFERENCES:
patent: 4318282 (1982-03-01), Orain
patent: 4514616 (1985-04-01), Warner
patent: 4516957 (1985-05-01), Chyz et al.
patent: 4540331 (1985-09-01), Stanner et al.
patent: 4573271 (1986-03-01), Hamilton et al.
patent: 4655674 (1987-04-01), Kohler et al.
patent: 4661037 (1987-04-01), Sugino et al.
patent: 4700932 (1987-10-01), Katsuno

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