Rod-piston connection

Details Rod-piston connection Rod-piston connection

1987-07-13

1989-03-28

Look, Edward K.

Expansible chamber devices

Piston

Plural separable parts

291565A, 92256, 403369, 403370, 403374, 411423, F16J 112

Patent

active

048153605

ABSTRACT:
A rod-piston connection uses a split ring, having two or more segments, provided with a plurality of shallow internal grooves which are adapted to mate with a corresponding plurality of shallow grooves on the piston rod, the outer periphery of the split ring having a tapered surface extending over the entire width of th split ring and adapted to mate with a corresponding wide tapered surface defined in a bore of a compression bushing which has a peripheral surface provided with threads which engage with an internal threaded surface in a cavity in the pistion. By applying a threading torque to the compression sleeve, a force is generated by the two tapered surfaces to force the compression sleeve into better contact with the pistion and to force the split ring into a better contact with the piston rod.

REFERENCES:
patent: 2687317 (1954-08-01), Capra
patent: 2699589 (1955-01-01), Redell
patent: 3177782 (1965-04-01), Sampson
patent: 3362731 (1968-01-01), Gasche et al.
patent: 3426657 (1969-02-01), Bimba
patent: 3807285 (1974-04-01), Phillips
patent: 4040327 (1977-08-01), Otaki

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