Harvesters – Motorized harvester – With selective control of drive means
Patent
1983-10-20
1985-11-26
Mancene, Gene
Harvesters
Motorized harvester
With selective control of drive means
56 172, A01D 5300
Patent
active
045547807
ABSTRACT:
The present invention is directed to a power transmission apparatus for a power driven lawn mower. The lawn mower has a housing, an engine mounted on the housing, a moving blade coupled to the engine and wheels which are swingably mounted on the housing. The swinging of the wheels moves the housing towards and way from the ground in order to raise and lower the housing to thereby raise and lower the lawn mower blade. The power transmission apparatus comprises a transmission mechanism and a transmission chamber for housing the transmission mchanism, the chamber including a guide structure. The transmission mechanism includes a drive shaft coupled to the engine and a single reduction gear mechanism coupled to the drive shaft and the wheels for transmitting the rotation of the drive shaft to the wheels. The reduction gear mechanism includes an engaging structure for engaging the guide structure in the chamber wherein the swinging movement of the wheels causes a corresponding movement of the reduction gear mechanism. The corresponding movement of the reduction gear mechanism is guided by the movement of the engaging structure in the guide structure.
REFERENCES:
patent: 1907005 (1933-05-01), Risser
patent: 2475716 (1949-07-01), Nabors
patent: 2818270 (1957-12-01), Cataline
patent: 3411275 (1968-11-01), Mattson et al.
patent: 4212364 (1980-07-01), Dobberpahl
Hayashida Morimasa
Saito Gunji
Umeno Hiroshi
Honda Giken Kogyo Kabushiki Kaisha
Mancene Gene
Tarnoff David L.
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