Dolly

B - Operations – Transporting – 62 – B

Patent

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Details

B62B 1/12 (2006.01)

Patent

CA 2474022

The invention relates to a dolly comprising a carrying frame (1) provided with a scoop (2) which is coupled to an end of said frame in such a way that it can pivot about a pivoting axis (3). Said scoop is movably coupled, by means of a control mechanism, to two wheel carriers which can be respectively pivoted about a bearing axis extending transversally in relation to the pivoting axis (3) of the scoop and which carry running wheels (4), in such a way that when the scoop is pivoted, the wheel carriers pivot out of a storage position oriented parallel to the carrying frame (1), into a user position which is perpendicular to said frame and in which the wheel carriers are oriented parallel to each other. In order to improve the inventive dolly in terms of handling, said dolly is provided with an actuating handle (6) which can be pivoted about an axis parallel to the scoop axis (3) and which is movably coupled to the scoop (2) by means of a connecting rod (7). When the handle (6) is pivoted from an idle position into an intermediate position, the wheel carriers (5) pivot out of their storage position into their position of use, and when the handle (6) is further pivoted into an end position in which it (6) fixes the two wheel carriers (5) in a pivoting manner, a clamping force is exerted on the connecting rod (7).

L'invention concerne un chariot transporteur comprenant un cadre porteur (1) à l'extrémité duquel est articulée une pelle (2) pouvant pivoter autour d'un axe de pivotement (3), qui est accouplée en mouvement par l'intermédiaire d'un mécanisme de commande à deux supports de roue portant dans chaque cas des roues de roulement (4) et pouvant pivoter autour d'un axe de palier transversal à l'axe de pivotement de la pelle (3), de sorte que lorsque la pelle passe par pivotement d'une position de stockage dirigée parallèlement au cadre porteur (1), dans une position d'utilisation dirigée transversalement audit cadre porteur, les supports de roue (5) pivotent et se trouvent, dans cette position d'utilisation, en orientation mutuelle parallèle. Pour améliorer la technique de manipulation dudit chariot transporteur, il est prévu une manette de commande (6) pouvant pivoter autour d'un axe parallèle à l'axe de la pelle (3), qui est accouplée en mouvement à la pelle, avec un bras oscillant (7). Lorsque la manette (6) passe par pivotement d'une position de non utilisation dans une position intermédiaire, les supports de roue (5) pivotent hors de leur position de stockage jusqu'en position d'utilisation. Lorsque la manette (6) est poussée plus loin par pivotement, jusqu'en position d'utilisation finale, dans laquelle ladite manette (6) fixe les deux supports de roue en pivotement, ce qui exerce une force de serrage sur le bras oscillant (7).

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