V belt type automatic transmission system

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United States of America Patent

PATENT NO 5172786
SERIAL NO

07815843

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Abstract

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Several embodiments of snowmobiles driven by an engine and variable belt transmission mechanism wherein the variable belt transmission has its input shaft journaled for rotation in the crankcase of the engine and driven from the engine crankshaft through a gear reduction so that the transmission loads are not carried by the crankshaft and wherein the crankshaft torsional vibrations are not transmitted to the transmission input shaft.

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Patent Owner(s)

  • YAMAHA HATSUDOKI KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Isaka, Yoshiharu Iwata, JP 19 308
Ishibashi, Tadakazu Iwata, JP 1 59
Kishira, Nozomu Iwata, JP 1 59

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