Small swivel type working vehicle

Details Small swivel type working vehicle Small swivel type working vehicle

2005-05-03

2005-05-03

Pezzuto, Robert E (Department: 3671)

Excavating

Ditcher

C414S687000

Reexamination Certificate

active

06886277

ABSTRACT:
A small swivel type working vehicle includes a running device (4), a swivel base (2) mounted on the running device (4) to be swivelable about a vertical swivel axis (X), a driver's seat (5) mounted on the swivel base (2), a control box (6) mounted upright on a top surface of the swivel base (2) forwardly of the driver's seat (5), a swing bracket (18) supported to be swingable about a vertical pivotal axis (19a) by a flange unit (17) provided at a front end of the swivel base (2), a boom (20) attached to the swing bracket to be swingable about a horizontal shaft (22), and a boom cylinder (21) connected at one end thereof to the swing bracket (18) and at the other end to the boom (20) for swinging the boom (20). The boom cylinder (21) is disposed outside the boom (20) to extend along a rear surface thereof. A walk-through space (100) is defined between the control box (6) and the driver's seat (5). A distance (L1) from the swivel axis (X) of the swivel base (2) to the vertical pivotal axis (19a) is substantially the same as a distance (L2) from the swivel axis (X) to a rear end of the swivel base(2).

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DE-Z “bpz”, Nr. 10/98, Seiten 48, 51, 52.

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