E - Fixed Constructions – 01 – D
Patent
E - Fixed Constructions
01
D
94/22
E01D 19/06 (2006.01) E01C 11/12 (2006.01)
Patent
CA 1218890
ABSTRACT OF THE DISCLOSURE The present invention provides a device which serves to bridge expansion gaps such as are used in the roadways of major structures such as bridges or viaducts. The supporting por- tion of the device comprises bearers, the upper sides of which are level with the roadway. The bearers rest on cross-pieces that are supported, in such a manner as to be able to move, with- in recesses below the roadway. The secondary gaps between the bearers are sealed by means of elastic rubber strips. In order that any contraction or expansion of the structure is distributed evenly across the secondary gaps, the cross-pieces are controlled by means of connecting rods. The ends of these connecting rods are articulated onto the opposing edges of the gap. In contrast to conventional systems of this kind, in which the connecting rods are disposed beneath the cross-pieces, in the present system the connecting rods pass through the cross-pieces. To this end, a bearing with plastic bearing shells is incorporated in the cross-pieces which make it possible for the corresponding connect- ing rod to move and to pivot in the cross-piece.
467675
Ganz Josef
Honegger Heinz
Honel Holding Sa Ltd. Ag.
Marks & Clerk
LandOfFree
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