Double-jointed cardan shaft

Details Double-jointed cardan shaft Double-jointed cardan shaft

2006-04-11

2006-04-11

Thompson, Kenneth (Department: 3672)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling accommodates drive between members having...

Coupling transmits torque via radially directed pin

C464S905000, C464S011000

Reexamination Certificate

active

07025682

ABSTRACT:
A double-jointed cardan shaft for vehicles includes a first yoke journal assembly disposed in a first fork joint, the first fork joint including a ball calotte, a second yoke journal assembly disposed in a second fork joint, and a connection element connecting the first and second fork joints. A centering ball is disposed in the ball calotte and has a bore. A first cavity is formed between the centering ball and the ball calotte. An elastic gasket disposed outside of the ball calotte forms a second cavity between the elastic gasket and the ball calotte. A centering pin is connected to the second fork joint and disposed in the bore, and a plurality of lubricant recesses for a lubricant are disposed at an interface between the centering pin and the bore. The centering ball includes at least one indentation extending along an outer circumferential surface of the centering ball such that no lubricant may pass from the first cavity to the second cavity.

REFERENCES:
patent: 1774679 (1930-09-01), Swenson
patent: 2042513 (1936-06-01), Daniell
patent: 2067286 (1937-01-01), Pearce
patent: 2855232 (1958-10-01), Kozak
patent: 2953910 (1960-09-01), Hustader
patent: 2988904 (1961-06-01), Mazziotti
patent: 3120746 (1964-02-01), Kayser
patent: 4207757 (1980-06-01), Onuma
patent: 4276759 (1981-07-01), Faulbecker
patent: 6042293 (2000-03-01), Maughan
patent: 19818570 (1998-10-01), None

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