System for laying a portable bridge

Details System for laying a portable bridge System for laying a portable bridge

1997-12-18

1999-08-17

Will, Thomas B.

Bridges

Transportable

Having launching means

14 24, E01D 1514

Patent

active

059374683

ABSTRACT:
A bridge-laying apparatus has a vehicle adapted to travel in a longitudinal direction and a longitudinally extending laying arm adapted to lay down and pick up bridges formed of at least one bridge section. A rigid link has an upper end pivoted on the laying arm and a lower end pivoted directly on the vehicle and an expansible main cylinder offset horizontally from the link has an upper end pivoted on the arm and a lower end pivoted directly on the vehicle. A pusher cylinder extending nonparallel to the main cylinder has a lower end pivoted on the vehicle and an upper end pivoted on the arm.

REFERENCES:
patent: 3820181 (1974-06-01), Wagner et al.
patent: 4510637 (1985-04-01), Zlotnicki
patent: 5276930 (1994-01-01), Parramore
patent: 5553341 (1996-09-01), Wiedeck
patent: 5570486 (1996-11-01), Wiedeck

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