Machine element or mechanism – Gearing – Interchangeably locked
Reexamination Certificate
2008-01-01
2008-01-01
Le, David D. (Department: 3681)
Machine element or mechanism
Gearing
Interchangeably locked
C074S329000, C074S330000, C074S331000, C074S333000, C074S359000, C074S360000
Reexamination Certificate
active
10946520
ABSTRACT:
A reverse gear arrangement in a countershaft transmission (1, 40, 44) having at least one starting element (2, 41), at least one transmission input shaft (4, 5, 42), one countershaft (22), fixed or idler gear wheels fastened or rotatably supported on the shafts, shifting sets (20, 21, 37, 38) coordinated with the idler gears and a reverse gear shaft (30, 31) upon which a driveable gear wheel (29, 32) and a driveable gear wheel (28, 33) are fastened. It is proposed for further development of the transmission that the driveable gear wheel (29, 32) of the reverse gear (RG) be meshed with a fixed gear (12, 14) of another transmission gear which is fastened on at least one transmission input shaft (4, 5, 42).
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Davis & Bujold & Daniels, P.L.L.C.
Le David D.
ZF Friedrichshafen AG
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