Preloaded axle stake for roller follower

Details Preloaded axle stake for roller follower Preloaded axle stake for roller follower

1991-08-14

1992-03-31

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 905, 74569, 2988843, 2988909, 29523, F01L 114

Patent

active

050998072

ABSTRACT:
A method for fixing an axle within a roller tappet in which a preload is applied to the axle in a direction perpendicular to its longitudinal axis while the ends of the axle are deformed into chambers formed in the ends of the axle-receiving aperture in the tappet body. In accordance with a preferred embodiment of the invention the axle ends are deformed by an orbital staking process.

REFERENCES:
patent: 1435925 (1922-11-01), Jardine
patent: 4628874 (1986-12-01), Barlow
patent: 4697473 (1987-10-01), Patel
patent: 4727832 (1988-03-01), Miyamura et al.
patent: 4796483 (1989-01-01), Patel et al.
patent: 4967705 (1990-11-01), Maciag et al.
patent: 4969261 (1990-11-01), Igarashi
patent: 5054440 (1991-10-01), Kadokawa

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