Robot arm coupling apparatus

Details Robot arm coupling apparatus Robot arm coupling apparatus

1991-06-26

1993-05-18

Kundrat, Andrew V.

Joints and connections

Manually releaseable latch type

Having operating mechanism

403328, B25G 318

Patent

active

052115011

ABSTRACT:
A robot arm coupling apparatus. This apparatus has an inner assembly attached to a robot arm, an outer assembly to which a tool or the like is attached and a locking means to lock both assemblies to each other. Said locking means comprises a piston member supported by the inner assembly slidably between the locking position and the unlocking position, a plurality of ball members surrounding said piston member and supported by the inner assembly, and a ball retainer which is provided at the outer assembly, which is contactable at its tapered surface with the ball member and holds both assemblies together, when the piston member moves to the locking position, in cooperation with the ball member. The working surface of the piston member including first and second tapered surfaces and at least an axially extending cylindrical surface.

REFERENCES:
patent: 4636135 (1987-01-01), Bancon
patent: 4696524 (1987-09-01), Cloyd
patent: 4793053 (1988-12-01), Zuccaro et al.
patent: 4815780 (1989-03-01), Obrist
patent: 4906123 (1990-03-01), Weskamp et al.
patent: 5002500 (1992-03-01), Zuccaro et al.

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