Safety circuit for teaching operation of robot

Details Safety circuit for teaching operation of robot Safety circuit for teaching operation of robot

1997-02-21

1998-05-12

Downs, Robert W.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

318563, 31856811, 31856813, 31856824, G05B 1500, G05B 1900

Patent

active

057519188

ABSTRACT:
A robot includes a robot body to which the procedure of a task is teachable, a teaching portion, an operating portion, a control portion, and a changeover portion. The teaching portion includes a signal generating portion for generating a drive signal for driving the robot body, and a deadman switch which indicates by its opened/closed state whether the procedure of the task is being taught to the robot body or not. The operating portion generates a start signal for starting the robot body. The control portion receives the drive signal and a signal indicating the opened/closed state of the deadman from the teaching portion and the start signal from the operating portion. The changeover portion operates so that the start signal from the operating portion is prevented from being supplied to the control portion when the teaching portion is electrically connected to the control portion.

REFERENCES:
patent: 4442387 (1984-04-01), Lindbom
patent: 4697979 (1987-10-01), Nakashima et al.
patent: 5212433 (1993-05-01), Yasuyuki
patent: 5444342 (1995-08-01), Matsuo et al.

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