Transmission equipped with auxiliary speed changing gear

Details Transmission equipped with auxiliary speed changing gear Transmission equipped with auxiliary speed changing gear

1979-04-18

1981-06-09

Husar, C. J.

Machine element or mechanism

Gearing

Interchangeably locked

74359, F16H 308

Patent

active

042717159

ABSTRACT:
A transmission having an auxiliary speed changing gear. The auxiliary speed changing gear has two pairs of meshing gears each of which being adapted to transmit the torque of an input shaft coaxial with an output shaft to and intermediate counter gear shaft. The gear pairs include an input gear for high speed range and an input gear for low speed range, respectively. These input gears are rotatably mounted on the input shaft and are adapted to be selectively brought into the torque transmitting engagement by a spline hub and a cooperating sleeve which are carried by the input shaft. The arrangement is such that, when the input gear for the low speed range is selected by the combination of the spline hub and sleeve, the gears of main transmission such as first, second and third gears are operated at low speed range, while, when the input gear for high speed range is selected, the gears of the main transmission are operated at high speed range. The transmission as a whole is simple, light weight, small-sized and less expensive as compared with conventional transmission having auxiliary speed changing gear, and can be produced without requiring any specific production technique and material.

REFERENCES:
patent: 3173303 (1965-03-01), Galaniuk
patent: 3600963 (1971-08-01), Portmann
patent: 4000662 (1977-01-01), Wolfe

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