Automatic device for lap-joint engagement of two bridge elements

Details Automatic device for lap-joint engagement of two bridge elements Automatic device for lap-joint engagement of two bridge elements

1981-08-10

1983-11-08

Byers, Jr., Nile C.

Bridges

Floating

14 24, 14 26, E01D 1514, E01D 1512

Patent

active

044133693

ABSTRACT:
The present invention relates to means for the lap joint connection of two bridge elements to each other on intrados or extrados, the lower bridge element being capable of becoming the upper element and vice versa. A first bridge element according to the invention has movable fingers (1, 2) which can retract into the structure of the bridge or protrude therefrom into a position in which they cooperated with boreholes (11, 12) in a second bridge element, in which holes they can be locked. This invention may be used for the construction of floating or nonfloating bridges of any length.

REFERENCES:
patent: 2291078 (1942-07-01), Harris
patent: 3021544 (1962-02-01), Gillois
patent: 3036539 (1962-05-01), Storey
patent: 3073271 (1963-01-01), Brill
patent: 3691974 (1972-09-01), Sieford
patent: 4177531 (1979-12-01), Illgner
patent: 4297759 (1981-11-01), Soffge

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