Spanning beam structure for clearing breaches by vehicles

Details Spanning beam structure for clearing breaches by vehicles Spanning beam structure for clearing breaches by vehicles

1992-11-13

1994-11-15

Britts, Ramon S.

Bridges

Transportable

14 25, E01D 1512

Patent

active

053635272

ABSTRACT:
A spanning beam structure for clearing breaches by vehicles, having a locking member including at least one pair of locking shafts made fast to a raisable access jib and to a central box, respectively, of the spanning beam while extending longitudinally of the central box along the same axis in the locked position of the access jib and two jaw-like members gripping round to confronting heads of both locking shafts.

REFERENCES:
patent: 4393533 (1983-07-01), Terrien et al.
patent: 4413369 (1983-11-01), Terrien et al.
patent: 5179751 (1993-01-01), Wiedeck

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