Electrical connectors – Having retainer or passageway for fluent material – Fluent material transmission line
Patent
1988-12-09
1990-04-17
Abrams, Neil
Electrical connectors
Having retainer or passageway for fluent material
Fluent material transmission line
439248, 439251, 439817, 901 50, H01R 464
Patent
active
049176196
ABSTRACT:
A tool changer for welding robot comprising: detachable male portions of connectors provided at a substrate fixed to a robot arm side for supplying electricity, gas, air, water to the tool side from the robot arm side; and detachable female portions of connectors to be connected to the male portions of the connectors and provided at a substrate fixed to a tool side for receiving electricity, gas, air, water from the male portions of connectors, each female portion composed of the connector, a protective tube provided at the substrate fixed to the welding gun side, a coupler inserted inside thereof, and an O-ring provided between the protective tube and the coupler, wherein the connector and the coupler are integrally formed and are radially slidable within the protective tube around the O-ring. A transformer is provided centrally of the connectors on the robot arm side substrate.
REFERENCES:
patent: 2379226 (1945-06-01), Frey
patent: 4525918 (1985-06-01), Puritz
Abrams Neil
Obara Corporation
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