Gear-type transmission apparatus

Details Gear-type transmission apparatus Gear-type transmission apparatus

2008-02-14

2010-11-16

Le, David D (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S329000, C074S331000, C074S340000

Reexamination Certificate

active

07832299

ABSTRACT:
A gear-type transmission apparatus includes a first input shaft, a second input shaft provided coaxially and rotatably relative to the first input shaft, a first counter shaft and a second counter shaft arranged in parallel to the first and the second input shafts, an output shaft, a dual clutch mechanism having a first clutch and a second clutch for transmitting a rotation of a driving shaft driven by a power source to the first and the second input shafts, a first gear change mechanism, a second gear change mechanism, a reverse gear set having a reverse shift stage driving gear, a reverse shift stage intermediate gear, and a reverse shift stage driven gear, and a switching clutch having a reverse shift stage engaging member for establishing/interrupting a torque transmission from the driving shaft to the output shaft via the reverse shift set.

REFERENCES:
patent: 2612787 (1952-10-01), Youngren et al.
patent: 2644340 (1953-07-01), Youngren et al.
patent: 7437963 (2008-10-01), Haka et al.
patent: 7448290 (2008-11-01), Gitt
patent: 7669497 (2010-03-01), Borgerson et al.
patent: 2003/0051577 (2003-03-01), Hirt
patent: 2003/0121343 (2003-07-01), Berger et al.
patent: 2006/0219033 (2006-10-01), Gitt
patent: 2008/0034905 (2008-02-01), Hatori et al.
patent: 103 104 72 (2003-10-01), None
patent: 1 837 554 (2007-09-01), None
patent: 2003-522922 (2003-07-01), None
patent: 2003-532040 (2003-10-01), None
patent: WO 97/34090 (1997-09-01), None

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