Finger follower arm

Details Finger follower arm Finger follower arm

1995-11-13

1998-02-24

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9042, 123 9044, 74519, 74559, F01L 118

Patent

active

057202451

ABSTRACT:
A finger follower arm is provided for mounting on a support post to transmit oscillatory motion from a cam to a poppet valve to cause the valve to move linearly between open and closed positions. The arm has a support post end including a downwardly open domed socket for engagement on the support post and an upstanding peripheral wall. A tappet valve end defines a downwardly open channel having parallel side surfaces and a downwardly facing bearing surface between the side surfaces for engagement with said poppet valve. A pair of upstanding spaced-apart side walls extend between the support post end and the tappet valve end and blend into the peripheral wall which extends continuously between the side walls to rigidify the support post end. A method of manufacture is also described.

REFERENCES:
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patent: 2917033 (1959-12-01), Brogren
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patent: 4848180 (1989-07-01), Mills
patent: 5010857 (1991-04-01), Hempelmann et al.
patent: 5016582 (1991-05-01), Mills
patent: 5063889 (1991-11-01), Pryba et al.
patent: 5259346 (1993-11-01), Mills
patent: 5372097 (1994-12-01), Joseph et al.
patent: 5535641 (1996-07-01), Uchida et al.

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