Gear transmission for vehicle

Details Gear transmission for vehicle Gear transmission for vehicle

1989-12-18

1992-02-04

Braun, Leslie A.

Machine element or mechanism

Gearing

Interchangeably locked

74357, F16H 308

Patent

active

050850920

ABSTRACT:
A gear transmission for a vehicle in accordance with the present invention forms a first speed change range by disposing a back range gear and a second range gear on an output shaft adjacent to each other, disposing a back idle gear meshing always with the back range gear and a first range gear on a coaxial rotary shaft, engaging always the back idle gear with a gear disposed on an input shaft and engaging the first range gear with the second range gear on the input shaft. Accordingly, the speed change range of each of the first and second and back ranges can be constituted by two gear trains and the length in the axial direction can be reduced as a whole. Moreover, since the back range gear is always engaged with the back idle gear and the back idle gear is always engaged with the gear disposed on the input shaft, the angle of the face advance can be increased, chamfering of gears for sliding mesh becomes unnecessary and the gear strength of the back range gear train can be reinforced.

REFERENCES:
patent: 3537335 (1970-11-01), Ezpeleta
patent: 3744345 (1973-07-01), Keienburg et al.
patent: 3916714 (1975-11-01), Sisson et al.
patent: 4116082 (1978-09-01), Kelbel
patent: 4570503 (1986-02-01), Theobald
patent: 4640141 (1987-02-01), Knodel et al.

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