Work holders – With fluid means – Cylinder-piston means in series with additional positioning...
Patent
1992-08-07
1994-01-11
Watson, Robert C.
Work holders
With fluid means
Cylinder-piston means in series with additional positioning...
269 94, 269233, 269903, B23Q 308
Patent
active
052774112
ABSTRACT:
A slide actuated holding clamp for holding a connector block stationary while a push test is performed on a conductor secured to the connector. The clamp comprises a body portion having a bore extending longitudinally therethrough and a portion forming a channel. A locking member is pivotally disposed within the channel and includes a locking finger portion and a lower shoulder portion. An actuating member is slidably disposed within the channel and includes a pin member extending transversely therethrough which causes the locking member to move pivotally such that the locking finger portion is moved outwardly of the channel when the actuating member is moved in a first direction. When the actuating member is moved in a longitudinally opposite second direction, the pin member abuttingly engages the lower shoulder portion, thereby causing the locking member to move pivotally such that the locking finger portion is retracted to a position within the channel. A small, conventional air cylinder is coupled to the actuating member via a linkage rod and a clevis to urge the actuating member slidably in the first and second directions in response to the application of air pressure thereto. The clamp will hold a connector stationary while large push forces are exerted on conductors coupled to the connector with only a very small force applied by the air cylinder. The design of the clamp does not require the air cylinder to exert a counter force in proportion to the push force being exerted on the connector.
REFERENCES:
patent: 3027155 (1962-03-01), Paterson
patent: 4445676 (1984-05-01), Tunkers
patent: 4451026 (1984-05-01), Coope
patent: 4673173 (1987-06-01), Shochi et al.
patent: 4723767 (1988-02-01), McPherson et al.
patent: 4777445 (1988-10-01), Kahl
patent: 4834663 (1989-05-01), Kahl
United Technologies Automotive Inc.
Watson Robert C.
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