Machine element or mechanism – Gearing – Interchangeably locked
Patent
1995-07-11
1997-02-18
Wright, Dirk
Machine element or mechanism
Gearing
Interchangeably locked
74339, F16H 6100
Patent
active
056032420
ABSTRACT:
A direct drive transmission includes clutches for driving a gear box and a shift controller in providing for improving the shifting of gears within the gear box. The gear box includes a first input countershaft and a second input countershaft. The shift controller includes a motor which is connected between the input countershafts to maintain the speed of the countershafts during shifting of the gears.
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patent: 4738149 (1988-04-01), Janiszewski
patent: 5125294 (1992-06-01), Takashi et al.
patent: 5259260 (1993-11-01), Schneider
Caterpillar Inc.
Glastetter Calvin E.
Wright Dirk
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