Gravity compensating mechanism for articulated type industrial r

Details Gravity compensating mechanism for articulated type industrial r Gravity compensating mechanism for articulated type industrial r

1990-09-10

1992-05-19

Ip, Paul

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

3185681, 901 18, 901 28, 901129, 395 1, B25J 920

Patent

active

051151782

ABSTRACT:
Herein disclosed is a gravity compensating mechanism for an articulated type industrial robot having upper and lower arms whirling in the direction of gravity. The upper and lower arm gravity compensating mechanism includes a cam mechanism and an elastic member in the robot to solve problems: that the whirling range of the robot arms is narrowed by the spring means of the gravity compensating mechanism; that the gravity compensating mechanism is disposed outside of the robot arms to restrict the working space; and that it is difficult to disposed the gravity compensating mechanism for the upper arm.

REFERENCES:
patent: 4348142 (1982-09-01), Figour
patent: 4348575 (1982-09-01), Hedren et al.
patent: 4579558 (1986-04-01), Ramer
patent: 4661039 (1987-04-01), Brenholt
patent: 4693665 (1987-09-01), Friederichs et al.
patent: 4884670 (1989-12-01), McCormick et al.

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