Motor vehicles – Steering by driving
Reexamination Certificate
2007-02-06
2007-02-06
Phan, Hau (Department: 3618)
Motor vehicles
Steering by driving
C180S006240, C074S60600R
Reexamination Certificate
active
11069574
ABSTRACT:
A work vehicle comprises: a plurality of wheels; a vehicle body supported by the wheels; a transmission case provided on the vehicle body, the transmission case having a first case portion and a second case portion and a middle portion extending between respective lower portions of the first and second case portions, the transmission case being divided by an abutting surface extending in a vertical direction of the vehicle; a hydraulic device associated with the transmission case; a hydraulic pump supplying a hydraulic fluid to the hydraulic device; an oil path formed in a surface of the abutting surface, one end of the oil path being formed in the first case portion as an oil port for the hydraulic device, and the other end of the oil path opening to the second case portion; and a hydraulic fluid outlet provided to the first case and connected to the hydraulic pump to supply hydraulic fluid to the hydraulic pump.
REFERENCES:
patent: 2994392 (1961-08-01), Kosman
patent: 4669559 (1987-06-01), Fukui
patent: 4674287 (1987-06-01), Ishimori et al.
patent: 4856611 (1989-08-01), Teraoka et al.
patent: 4887686 (1989-12-01), Takei et al.
patent: 5301769 (1994-04-01), Weiss
patent: 5415603 (1995-05-01), Tuzuki et al.
patent: 5971719 (1999-10-01), Takeuchi
patent: 6038840 (2000-03-01), Ishimori et al.
patent: 6189641 (2001-02-01), Azuma
patent: 6450309 (2002-09-01), Hirai et al.
patent: 6638194 (2003-10-01), Ishikawa et al.
patent: 6874305 (2005-04-01), Ishimori
patent: 2004/0216554 (2004-11-01), Kawakubo et al.
patent: 2004/0226528 (2004-11-01), Inui et al.
patent: 2004/0231925 (2004-11-01), Matsushima
patent: 2001-86831 (2001-04-01), None
Morikawa Tomoyuki
Oshima Hiroshi
Osuga Masashi
Shimada Hiroshi
Uemura Katsuhiko
Kubota Corporation
Phan Hau
The Webb Law Firm
LandOfFree
Riding type mower does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Riding type mower, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Riding type mower will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3838870