Universal connection means in an orbital fluid pressure device

Details Universal connection means in an orbital fluid pressure device Universal connection means in an orbital fluid pressure device

1975-09-17

1977-07-19

Scott, Samuel

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Valve regulated non-working fluid

64 6, 64 9R, 64 23, 64 31, 418 61B, F16d 318

Patent

active

040360318

ABSTRACT:
Universal connection means between a wobble shaft and rotatable body in an orbital fluid pressure device, said rotatable body having a body axis, said wobble shaft having a shaft axis disposed to intersect said body axis, said rotatable body including an internal polygonal socket configuration, said wobble shaft including an external polygonal head configuration, said internal and external configurations interfittingly engaging each other for transmitting torque therebetween in a torque transmitting direction, said polygonal configurations providing universal relative movement therebetween in all directions other than in said torque transmitting direction, said polygonal configurations including at least an internal torque transfer wall and an external torque transfer wall confronting each other and disposed for relative universal movement, one of said transfer walls comprising substantially flat wall means and the other comprising substantially contour wall means, said flat wall means and said contour wall means upon transmission of torque defining at least a polygonally disposed line segment contact therebetween.

REFERENCES:
patent: 1311679 (1919-07-01), Chalifoux
patent: 3288034 (1966-11-01), White, Jr. et al.
patent: 3405603 (1968-10-01), Woodling
patent: 3771905 (1973-11-01), Ohrberg et al.
patent: 3782866 (1974-01-01), McDermott
patent: 3841801 (1974-10-01), Stralason et al.
patent: 3853436 (1974-12-01), Ohrberg

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