Assembly for bridging over expansion joints or bridges or the li

Details Assembly for bridging over expansion joints or bridges or the li Assembly for bridging over expansion joints or bridges or the li

1984-08-22

1987-06-23

Leppink, James A.

Road structure, process, or apparatus

Pavement

Including joint means

404 63, 52573, E01C 1114

Patent

active

046749128

ABSTRACT:
The arrangement for covering over a gap in a roadway has bars running across the roadway. The bars are supported by transverse beams spanning the gap obliquely and which are supported at their ends in joint gap edge structures in such a way that the ends of the beams are able to slide and swivel in relation to the edge structures. The bars are carried on the beams by friction-reducing bearing parts so that sliding of the bars is possible. The bars have openings through the structure thereof (as for example holes in the bar itself or in a frame fixed thereto) to take up the beams and the bearing parts are adapted to allow sliding without swiveling between each bearing part and the associated beam and to allow swiveling between the bearing part and a bar joined thereto. The bearings are made of elastically yielding material and each have at least one bearing body. To ensure efficient transmission of horizontal forces by the bearing bodies to the transverse beams with only a small pre-loading effect (to stop the bearing bodies being lifted clear of the transverse beams by tilting moments) the bearing bodies are shaped generally as blocks and run in respective grooves of the transverse beams.

REFERENCES:
patent: 3698292 (1972-10-01), Koester
patent: 3699853 (1972-10-01), Wicks, III
patent: 3854159 (1974-12-01), McLean et al.
patent: 3907443 (1975-09-01), McLean
patent: 4030156 (1977-06-01), Raymond
patent: 4058867 (1977-11-01), Puccio
patent: 4132491 (1979-01-01), Scheffel
patent: 4339214 (1982-07-01), Puccio et al.
patent: 4486118 (1984-12-01), Huber et al.
patent: 4516284 (1985-05-01), Huber et al.

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