Power assisted cart retriever with attenuated power output

Details Power assisted cart retriever with attenuated power output Power assisted cart retriever with attenuated power output

B - Operations, Transporting

62

B

B62B 3/00 (2006.01) A47F 10/04 (2006.01) B62B 3/14 (2006.01)

Patent

CA 2539922

The present invention is a motorized shopping cart retriever that includes a controller that attenuates the power provided to the drive system of the retriever to prevent the retriever from being utilized to move an excessively heavy load of shopping carts. By preventing the retriever and carts from being subjected to overloaded conditions, the operational lives of the retriever and carts are maximized. The retriever is also provided with a burst mode that allows the power provided to the drive system to rapidly increase past the normal attenuated level for a brief period of time in order to reduce the time required to accelerate a retriever loaded with carts to a terminal velocity.

L'invention concerne un récupérateur de chariots motorisé comprenant un bloc de commande qui atténue la puissance fournie au système d'entraînement du récupérateur, afin d'empêcher l'utilisation du récupérateur pour déplacer une charge excessive de chariots. En empêchant le récupérateur et les chariots d'être soumis à des conditions de surcharge, on augmente la durée utile du récupérateur et des chariots. Ce récupérateur comprend en outre un mode "impulsion" permettant d'augmenter rapidement la puissance fournie au système d'entraînement au-dessus du niveau normal atténué pendant un bref intervalle de temps afin de réduire le temps nécessaire à l'accélération d'un récupérateur chargé de chariots jusqu'à la vitesse limite.

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