Automatic-assembly bridge, ramp and the like

Details Automatic-assembly bridge, ramp and the like Automatic-assembly bridge, ramp and the like

1989-07-25

1990-11-27

Neuder, William P.

Bridges

Transportable

14 717, E01D 1512

Patent

active

049725394

ABSTRACT:
The automatic-assembly bridge, ramp and the like comprises a base segment which has, on one face, two sets of wheels provided with positioning means for disengaging from the ground when the bridge, ramp and the like is installed, as well as an articulation for releasably coupling to a tractor. A second segment is articulated at one end of the base segment and is constituted by a first track and a second track which can be arranged mutually side by side and can be rotated independently from one another so as to be arranged in a transport position, wherein the tracks of the second segment are superimposed on the base segment, and in an installation position, wherein the tracks are arranged substantially along the extension of the base segment. One of the tracks acts as ballast during the rotation of the other track.

REFERENCES:
patent: 4602399 (1986-07-01), Jenkins
patent: 4649587 (1987-03-01), McFarlane et al.

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