Fluid pressure pump

Details Fluid pressure pump Fluid pressure pump

1981-12-04

1984-04-10

Freeh, William L.

Pumps

Including disengageable rotary or frangible drive connection

417569, 74570, F04B 900, F04B 3500

Patent

active

044418655

ABSTRACT:
A fluid pressure pump having a cylinder housing which contains a reciprocating position. A crankshaft housing attached to the cylinder housing and having a rotary drive shaft which turns an eccentric. A slide shoe pivotally connected to the reciprocating piston and normally held in frictional engagement with the eccentric by a split-ring spring. The split-ring spring ungirds the frictional engagement with the eccentric during a seizure of the piston.

REFERENCES:
patent: 603805 (1898-05-01), Wood
patent: 1126012 (1915-01-01), Huff
patent: 1477300 (1923-12-01), Kraft
patent: 2309551 (1943-01-01), Trapp et al.
patent: 2635544 (1953-04-01), Lossau

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