Patent ID: 6872043

Claim:
A backhoe comprising: a running device; a swivel base mounted on said running device to be swivelable about a vertical swivel axis; a swing bracket supported to be swingable about a vertical axis by a flange unit disposed at a front end of said swivel base; a boom having a proximal end thereof attached to said swing bracket to be swingable about a horizontal axis, said boom being a hollow box having a front wall, a left wall, a right wall and a rear wall extending longitudinally of the boom; a boom cylinder having one end thereof connected to said swing bracket and the other end to said boom for swinging said boom, said boom cylinder being disposed outside said boom to extend along said rear wall of said boom; a hydraulic pressure takeoff device disposed in a distal end region of said boom; and hydraulic pressure takeoff pipes for supplying hydraulic pressure to said hydraulic pressure takeoff device, said hydraulic pressure takeoff pipes extending from said swivel base through a proximal opening formed adjacent said boom proximal end into said boom to reach said hydraulic pressure takeoff device; wherein said hydraulic pressure takeoff device is mounted in said boom to form an interior space with said front wall; and wherein bucket cylinder hydraulic pipes connected to a bucket cylinder for swinging a bucket of the backhoe extend from said swivel base through said boom proximal opening and said interior space out of said distal end of said boom to said bucket cylinder.