Heavy equipment vehicle for laying pipe

Details Heavy equipment vehicle for laying pipe Heavy equipment vehicle for laying pipe

2010-01-19

2011-12-06

Pezzuto, Robert (Department: 3671)

Excavating

Combined or convertible

Combined with clamp, grapple, or shear

C414S719000

Reexamination Certificate

active

08069592

ABSTRACT:
The present invention is a heavy equipment vehicle for laying pipe, such as a modified excavator. The vehicle includes an undercarriage with a tracks for moving, an excavator cab mounted to the undercarriage by a rotating platform, a counterweight mounted to the cab, a boom having a first arm and a second arm, two pipe hoists, and an excavator tool attachment. The excavator tool attachment can be a bucket, scoop, grapple, a pulverizer, claw or a hammer of an excavator. Each arm of the vehicle has a pipe hoist attached to an underside thereof. The pipe hoist element is a two-block hoist with a top block and a bottom block with a hook extending downward, and a winch with line connecting to the two-block hoist, such that the line lowers and raises a hook connected to a harness of a pipe. The boom can also have stabilizer attachments.

REFERENCES:
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patent: 3945518 (1976-03-01), Inoue
patent: 4130204 (1978-12-01), Pickard
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patent: 4598829 (1986-07-01), Young et al.
patent: 4693384 (1987-09-01), Gilmore, Jr.
patent: 5918923 (1999-07-01), Killion
patent: 5954471 (1999-09-01), Cullen
patent: 6280119 (2001-08-01), Ryan et al.
patent: 6893189 (2005-05-01), Matsushita et al.

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