Flapping-preventing runner for a pre-timed distribution assembly

Details Flapping-preventing runner for a pre-timed distribution assembly Flapping-preventing runner for a pre-timed distribution assembly

1988-02-19

1989-07-25

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

Camshaft drive means

474140, 474146, F01L 3108, F16H 718

Patent

active

048503142

ABSTRACT:
The flapping-preventing runner (10) constituting the subject-matter of the present invention is constituted by two half-runners (11) and (12), each comprising a couple of divergent guides (14) designed for supporting and guiding the two branches of a transmission chain (21). The two half-runners (11) and (12) are housed inside the dead space existing between the sprocket wheels (19) and (20) and the transmission chain (21) which connects them. In an alternative form of practical embodiment of the invention, the guides (14) are provided with flanges (28) which totally enclose the two transmission chain branches (21).

REFERENCES:
patent: 1762034 (1930-06-01), Silberberger
patent: 3885471 (1975-05-01), Morine et al.
patent: 4425105 (1984-01-01), Edl et al.
patent: 4642073 (1987-02-01), Restelli

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