Working machine

Details Working machine Working machine

2007-01-09

2007-01-09

Petravick, Meredith C. (Department: 3671)

Excavating

Snow or ice removing or grooming by portable device

Motorized rotary excavating tool

C037S257000

Reexamination Certificate

active

10761956

ABSTRACT:
A working machine has a transmission case having a transmission mechanism accommodated therein. The transmission mechanism has an input shaft having a first longitudinal axis and an output shaft having a second longitudinal axis extending in a direction generally perpendicular to the first longitudinal axis. A working unit is mounted to a front portion or a side portion of the transmission case and is connected to the output shaft of the transmission mechanism. A working is drive source is connected to the input shaft of the transmission mechanism for driving the working unit via the transmission mechanism for driving the working unit via the transmission mechanism. The working drive source is mounted to an upper surface portion of the transmission case. A traveling unit has at least one driving axle mounted to a side portion of the transmission case. An electric motor is mounted to a side portion of the transmission case for driving the traveling unit.

REFERENCES:
patent: 2998082 (1961-08-01), Arnot
patent: 3603162 (1971-09-01), Gohler
patent: 4123857 (1978-11-01), Enters et al.
patent: 4354564 (1982-10-01), Watanabe et al.
patent: 4640366 (1987-02-01), Saito
patent: 4783915 (1988-11-01), Sasaki et al.
patent: 6643959 (2003-11-01), Jolliff et al.
patent: 6823947 (2004-11-01), Nagaoka et al.
patent: 1138831 (2001-10-01), None
patent: 51030378 (1976-08-01), None
patent: 53005210 (1978-02-01), None
patent: 01271317 (2001-10-01), None

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