Machine element or mechanism – Gearing – Interchangeably locked
Patent
1988-08-17
1990-04-17
Diehl, Dwight G.
Machine element or mechanism
Gearing
Interchangeably locked
74333, 74354, 74357, F16H 308
Patent
active
049169602
ABSTRACT:
A variable speed manual transmission includes an input shaft having a first drive gear for low speed drive and a second drive gear for high speed drive fixed thereon, an output shaft located under the input shaft and in parallel therewith and having at least a pair of axially spaced changed-speed driven gears fixed thereon, a first coutershaft arranged in parallel with the input and output shafts and having a first driven gear fixed thereon and continuously engaged with the first drive gear, a pair of axially spaced low speed drive gears rotatably mounted thereon and continuously engaged with the change-speed driven gears on the output shaft, and a first synchronizer coupling provided thereon to selectively connect the low speed drive gears to the first countershaft, and a second countershaft arranged in parrallel with the input and output shafts and having a second drive gear fixed thereon and continuously engaged with the second drive gear on the input shaft, a pair of axially spaced high speed drive gears rotatably mounted thereon and continuously engaged with the change-speed driven gears on the output shaft, and a second synchronizer coupling provided thereon to selectively connect the high speed drive gears to the second countershaft.
REFERENCES:
patent: 3916710 (1975-11-01), Sisson et al.
patent: 4458551 (1984-07-01), Winter-Peter
patent: 4476748 (1984-10-01), Morscheck
patent: 4685343 (1987-08-01), Ehrlinger et al.
patent: 4754665 (1988-07-01), Vandervoort
Inui Masaki
Ishikawa Masakazu
Diehl Dwight G.
Toyota Jidosha & Kabushiki Kaisha
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