Device for driving a pump piston

Details Device for driving a pump piston Device for driving a pump piston

1975-11-06

1977-05-31

Freeh, William L.

Expansible chamber devices

With linkage or transmission having relatively movable members

74 22R, 417534, F01B 900, F04B 716, F16H 3716

Patent

active

040261964

ABSTRACT:
A piston pump assembly is disclosed in which the rotation of the drive shaft of the driving motor reciprocates the piston via a single-row spherical ball bearing which is eccentrically arranged in relation to the drive shaft. The piston is turned about its linear path of movement in synchronism with its reciprocation.

REFERENCES:
patent: 950945 (1910-01-01), Moss
patent: 1138960 (1915-05-01), Lafitte
patent: 2437568 (1948-03-01), Urso
patent: 2538463 (1951-01-01), Lloyd
patent: 2969777 (1961-01-01), Blazs
patent: 3102517 (1963-09-01), Day et al.
patent: 3410477 (1968-11-01), Hartley

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