Pivot portion of a piston shoe in radial pistol devices

Details Pivot portion of a piston shoe in radial pistol devices Pivot portion of a piston shoe in radial pistol devices

1977-06-01

1980-06-10

Cohen, Irwin C.

Expansible chamber devices

Piston

With separable means for pivotally mounting connecting rod...

92172, 308 3C, 308 72, 403 39, 403121, F16C 904, F16C 1104, F16J 114

Patent

active

042066905

ABSTRACT:
In radial piston fluid handling devices, such as for example pumps or motors, piston shoes are pivotable connected to the respective pistons. The invention improves the swing-member portion of the piston shoe in order to increase the efficiency and pressure bearing capability thereby, that the endface of the pivot portion is formed part-cylindrically by a radius which is a little bit shorter than the radius of the associated piston. The fluid pressure balancing pocket in the pivot member becomes formed accordingly, so that the pressure bearing capacity of the piston-piston-shoe pivot-assembly becomes considerably improved.

REFERENCES:
patent: 1435528 (1922-11-01), Keilholtz
patent: 1772966 (1930-08-01), Solver
patent: 1899879 (1933-02-01), Noss
patent: 3223046 (1965-12-01), Eickmann
patent: 3255706 (1966-06-01), Eickmann
patent: 3277834 (1966-10-01), Eickmann
patent: 3828653 (1974-08-01), Aldinger et al.

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