Motor grader

Details Motor grader Motor grader

2011-07-19

2011-07-19

Pezzuto, Robert E (Department: 3671)

Earth working

Scraper between front and rear ground supports of vehicle

Actuator for bodily shifting scraper subframe draft connection

C172S795000

Reexamination Certificate

active

07980319

ABSTRACT:
A motor grader including lift cylinders is described. Each one of lift cylinders is connected to a lifter bracket through first support means, and each other ends of the lift cylinders is connected to a forward position compared to a rear in portion in a draw bar, through second support means. Each one ends and the other end of the lift cylinders are offset from each other with respect to a front-rear direction of the motor grader as viewed from above the motor grader, thereby disposing the pair of lift cylinders inclined in the front-rear direction of the motor as viewed from a side of the motor grader. With this structure, it is possible to obtain the motor grader in which a height position of each end of the lift cylinders can be substantially equal to a height position of the lifter bracket as viewed from the side of the motor grader, and a visibility hindrance by the pair of lift cylinders can extremely be lowered.

REFERENCES:
patent: 2258890 (1941-10-01), Gustafson
patent: 2655743 (1953-10-01), Ross
patent: 3164915 (1965-01-01), Benner et al.
patent: 3415169 (1968-12-01), Naddell
patent: 3415327 (1968-12-01), Hanser
patent: 3454109 (1969-07-01), Roberts
patent: 3454110 (1969-07-01), Hanser
patent: 3512589 (1970-05-01), Ulrich
patent: 3550692 (1970-12-01), Hart
patent: 3643355 (1972-02-01), Eiger
patent: 3677350 (1972-07-01), Johnson et al.
patent: 3739861 (1973-06-01), Johnson et al.
patent: 3858661 (1975-01-01), Hallam et al.
patent: RE28979 (1976-09-01), Long et al.
patent: 4016936 (1977-04-01), Easterling et al.
patent: 4246972 (1981-01-01), Halmosi et al.
patent: 4340119 (1982-07-01), MacDonald
patent: 4807461 (1989-02-01), Brimeyer et al.
patent: 6278955 (2001-08-01), Hartman et al.
patent: 6364028 (2002-04-01), Ferrell et al.
patent: 6725946 (2004-04-01), Howell, Jr.
patent: 1086588 (1994-05-01), None
patent: 62-170619 (1987-07-01), None
patent: 50-75703 (1993-03-01), None
patent: 5-94353 (1993-12-01), None
patent: 2000-170203 (2000-06-01), None
patent: 39-21035 (2001-12-01), None
patent: 2004-190232 (2004-08-01), None
patent: WO93/19302 (1993-09-01), None
Canadian Office Action issued Oct. 7, 2010 in co-pending Canadian Application No. 2,617,684, 4 pges.

Affiliated with

Also associated with

Rating

Motor grader does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Motor grader, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Motor grader will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2694537