Machine element or mechanism – Gearing – Interchangeably locked
Patent
1988-08-22
1990-02-20
Diehl, Dwight G.
Machine element or mechanism
Gearing
Interchangeably locked
74333, 74359, F16H 308
Patent
active
049015907
ABSTRACT:
A manual transmission includes an input shaft having first and second drive gears fixed thereon, an output shaft arranged in parallel with the input shaft having at least a pair of change-speed driven gears fixed thereon, a first countershaft arranged in parallel with the input and output shafts at one side thereof and having a first driven gear fixed thereon and engaged with the first drive gear, a pair of low speed drive gears rotatable thereon and engaged with the change-speed driven gears, and a first synchronizer coupling adapted to selectively connect the low speed drive gears to the first countershaft, and a second countershaft arranged in parallel with the input and output shafts at the other side thereof and having a second driven gear fixed thereon and engaged with the second drive gear, a pair of high speed drive gears rotatable thereon and engaged with the change-speed driven gears, and a second synchronizer coupling adapted to selectively connect the high speed drive gears to the second countershaft, wherein an additional change-speed driven gear is fixed on one end of the output shaft and engaged with an additional high speed drive gear rotatable on one end of the second countershaft and connectable thereto.
REFERENCES:
patent: 2825232 (1958-03-01), Sieving et al.
patent: 3318167 (1967-05-01), Frost
patent: 3802293 (1974-04-01), Winckler et al.
patent: 4226135 (1980-10-01), Winter
patent: 4458551 (1984-07-01), Winter-Peter
Inui Masaki
Ishikawa Masakazu
Diehl Dwight G.
Toyota Jidosha & Kabushiki Kaisha
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