Roller follower axle

Details Roller follower axle Roller follower axle

1994-05-31

1995-01-31

Dolinar, Andrew M.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9051, 123 9055, 74569, F01L 114, F01L 124

Patent

active

053851242

ABSTRACT:
A hydraulic roller tappet for an internal combustion engine wherein the tappet body is formed of hardenable cast iron, the roller axle is formed of a through hardened steel and wherein the axle bores in the body and the axle are dimensioned such that the axle is in floating relationship with the bores. In a preferred embodiment the axle is axially retained by retaining rings received in grooves formed in the body.

REFERENCES:
patent: 3255513 (1966-06-01), Robinson et al.
patent: 4094279 (1978-06-01), Kueny
patent: 4361120 (1982-11-01), Kueny
patent: 4628874 (1986-12-01), Barlow
patent: 4793295 (1988-12-01), Downing
patent: 5099807 (1992-03-01), Devine
patent: 5239951 (1993-08-01), Rao et al.
patent: 5273005 (1993-12-01), Philo et al.

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