Self-adjusting slide block for telescopic crane jibs

B - Operations – Transporting – 66 – C

Patent

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Details

B66C 23/697 (2006.01)

Patent

CA 2529415

The invention relates to a telescopic crane jib-slide block with at least two mutually cooperating slide block parts (1, 5), which are mutually pre-tensioned and mutually displaceable on an oblique surface so that the total width of the slide block varies depending on the mutual position of the slide block parts (1, 5). It further relates to a telescopic crane jib-slide block arrangement incorporating such a slide block, which slide block is disposed on an inner telescopic part, in particular on the base piece (18) of an inner telescopic part so that an outer telescopic part (21) is able to slide on it.

L'invention concerne un bloc coulissant autoréglable pour flèches de grue télescopiques avec au moins deux parties de bloc coulissant coopérant mutuellement (1, 5), qui sont mutuellement sous pré-tension et mutuellement déplaçables sur une surface oblique de sorte que la largeur totale du bloc coulissant varie en fonction de la position mutuelle des parties du bloc coulissant (1, 5). La présente concerne aussi un arrangement de bloc coulissant autoréglable pour flèches de grue télescopiques, ledit bloc étant disposé sur une partie télescopique intérieure, en particulier sur la pièce de base (18) d'une partie télescopique intérieure permettant à une partie télescopique extérieure (21) de glisser sur celle-ci.

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