Ball-and-socket joint

Details Ball-and-socket joint Ball-and-socket joint

1988-05-24

1989-08-15

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9046, 123 9049, F01L 118, F01L 124

Patent

active

048564680

ABSTRACT:
A ball-and-socket joint interposed between a rocker arm and a valve shaft of an internal combustion engine including a journal cooperating with the rocker arm and having a crowned end face which cooperates with a spherical cavity of a joint socket provided at its side opposing the spherical cavity with a plane surface by which it bears against the valve shaft wherein a restraining element is linked to the journal or to a structural element connected to the journal for grasping from behind the circumferential surface of the joint socket thereby securely holding the latter at the journal, characterized in that the restraining element is a spring element (10,19) which bears by elastic prestress against the joint socket (7) thereby holding the crowned end face (5) of the journal (4) in play free contact with the spherical cavity (6).

REFERENCES:
patent: 2030345 (1936-02-01), Zahodiakin
patent: 3805753 (1974-04-01), Bergmann et al.
patent: 3880128 (1975-04-01), Stirrat
patent: 4369740 (1983-01-01), Seidl
patent: 4539952 (1985-09-01), Nouno et al.
patent: 4762099 (1988-08-01), Fujii et al.

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