Machine element or mechanism – Gearing – Interchangeably locked
Patent
1988-05-19
1989-06-27
Diehl, Dwight G.
Machine element or mechanism
Gearing
Interchangeably locked
74372, 56 115, 56 118, F16H 308
Patent
active
048417947
ABSTRACT:
Within a transmission casing (3) having therein a drive shaft (4), driven by an engine (1) through a main clutch (2), and a hollow speed-change shaft (5), a key-shift transmission mechanism (8) is disposed which comprises a plurality of meshing gears (9I-9V, 10I-10V) mounted respectively on the drive and change shafts. An axle (6) drivingly connected to left and right drive wheels (7) extends through the hollow change shaft. One end of the change shaft is spaced from an inner wall surface of the transmission casing for disposing therebetween an auxiliary clutch (13) which is operable between the change shaft and axle. Both of the main and auxiliary clutches are operated together.
The transmission mechanism is provided for a plurality of variable speeds of a mower in a compact fashion owing to a co-axial arrangement of the hollow change shaft and the axle passing therethrough. The auxiliary clutch which is provided also in a compact fashion permits to shift the transmission mechanism lightly and to pull the mower for retreating same with ease.
REFERENCES:
patent: 2416154 (1947-02-01), Chilton
patent: 3354739 (1967-11-01), Ivanchich
patent: 3812355 (1974-05-01), Von Kaler et al.
patent: 4103566 (1978-08-01), Von Kaler et al.
patent: 4662241 (1981-05-01), Edwards
patent: 4702119 (1987-10-01), Edwards
patent: 4713983 (1987-12-01), Rundle
patent: 4779475 (1988-10-01), Irikura et al.
Diehl Dwight G.
Kanzaki Kokyukoki Mfg. Co. Ltd.
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