Drive transmission unit for equal forward and reverse speeds, in

Details Drive transmission unit for equal forward and reverse speeds, in Drive transmission unit for equal forward and reverse speeds, in

1986-05-28

1988-04-05

Wright, Dirk

Machine element or mechanism

Gearing

Directly cooperating gears

74361, 74378, 74379, F16H 114, F16H 120

Patent

active

047351047

ABSTRACT:
An input shaft is keyed to a first bevel gear, in constant mesh engagement with a second bevel gear keyed to a countershaft and rigidly associated with a first clutch, for causing a first pinion to become rotatively engaged with or disengaged from the input shaft. The second bevel gear is rigidly associated with a second clutch for causing a second pinion to become rotatively engaged with or disengaged from the countershaft. The first and the second pinions are in constant mesh engagement with an output bevel gear keyed to an output shaft, so that by selectively engaging one of the clutches and disengaging another of the clutches, the input and output shafts can be selectively caused to rotate counter-directionally or co-directionally. The axes of the shafts converge towards a common point to simplify the gear arrangements.

REFERENCES:
patent: 2423886 (1947-07-01), Hindmarch
patent: 3570319 (1971-03-01), Arnold
patent: 3691862 (1972-09-01), Halibrand
patent: 3803934 (1974-04-01), Yokel
patent: 4188833 (1980-02-01), Krauss et al.

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