Planetary gear transmission systems or components – Nonplanetary variable speed or direction transmission... – Nonplanetary transmission is friction gearing
Reexamination Certificate
2005-11-29
2010-12-28
Lewis, Tisha D (Department: 3655)
Planetary gear transmission systems or components
Nonplanetary variable speed or direction transmission...
Nonplanetary transmission is friction gearing
C475S215000, C475S218000
Reexamination Certificate
active
07857724
ABSTRACT:
A multi-group transmission for a motor vehicle having a main transmission and a range group transmission downstream from the main transmission. The reverse gear is integrated into the range-group transmission.
REFERENCES:
patent: 2259731 (1941-10-01), Burtnett
patent: 3080772 (1963-03-01), Foerster
patent: 4392394 (1983-07-01), Hofbauer et al.
patent: 4619150 (1986-10-01), Wiggenhauser
patent: 4777837 (1988-10-01), Lehle
patent: 5385066 (1995-01-01), Braun
patent: 6012345 (2000-01-01), Wafzig et al.
patent: 7350430 (2008-04-01), Heinzelmann
patent: 2004/0029683 (2004-02-01), Steen
patent: 2004/0033858 (2004-02-01), Sumi
patent: 2006/0166787 (2006-07-01), Heinzelmann
patent: 960 520 (1957-03-01), None
patent: 27 34 740 (1979-02-01), None
patent: 28 42 943 (1980-04-01), None
patent: 30 12 778 (1981-10-01), None
patent: 41 21 709 (1992-01-01), None
patent: 44 22 900 (1994-11-01), None
patent: 199 49 490 (2001-04-01), None
patent: 10051354 (2002-05-01), None
patent: 101 52 861 (2003-05-01), None
patent: 102 39 396 (2004-03-01), None
patent: 0 657 667 (1994-11-01), None
patent: WO 2004/104445 (2004-12-01), None
Translation of IDS reference DE 2842943.
Translation of IDS reference DE 2734740.
Translation of IDS reference DE 2842943, Sep. 2, 2009.
Translation of IDS reference DE 2734740, Sep. 2, 2009.
Davis & Bujold P.L.L.C.
Lewis Tisha D
ZF Friedrichshafen AG
LandOfFree
Multi-group gearbox does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Multi-group gearbox, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-group gearbox will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4150722