Clamping lock device comprising an obliquely guided wedge

Details Clamping lock device comprising an obliquely guided wedge Clamping lock device comprising an obliquely guided wedge

E - Fixed Constructions

04

G

E04G 17/04 (2006.01)

Patent

CA 2531923

Disclosed is a clamping lock device (12, 13, 14; 20; 35a, 35b, 35c; 44a, 44b, 44c) for bracing concrete formwork elements (1, 2), comprising two brackets (15a, 15b, 15c, 16a, 16b, 16c; 21, 22) and a wedge (17a, 17b, 17c; 23; 37a, 37b, 37c; 46a, 46b, 46c). Said brackets can be displaced towards each other in a bracing direction (34) while the wedge is guided along a wedge-guiding direction (33) in the clamping lock device, the degree of advancement of the wedge in the clamping lock device determining the displacement of the brackets. The inventive clamping lock device is characterized in that the wedge-guiding direction and the bracing direction enclose an angle a that is smaller than 90~ such that the wedges of adjacent clamping lock devices are prevented from obstructing each other.

L'invention concerne un dispositif de serrage (12, 13, 14 ; 20 ; 35a, 35b, 35c ; 44a, 44b, 44c) servant à serrer des éléments de coffrage à béton (1, 2), comprenant deux griffes (15a, 15b, 15c, 16a, 16b, 16c ; 21, 22) et une clavette (17a, 17b, 17c ; 23 ; 37a, 37b, 37c ; 46a, 46b, 46c). Selon l'invention : les griffes peuvent être déplacées les unes vers les autres dans une direction de serrage (34) ; la clavette est guidée dans le dispositif de serrage dans une direction de guidage de clavette (33), et ; le degré d'avancement de la clavette dans le dispositif de serrage détermine le déplacement des griffes. Le dispositif de serrage selon l'invention est caractérisé en ce que la direction de guidage de clavette et la direction de serrage s'étendent selon un angle .alpha. inférieur à 90·, ce qui permet d'empêcher que les clavettes de dispositifs de serrage adjacents constituent un obstacle les unes pour les autres.

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