B - Operations – Transporting – 66 – D
Patent
B - Operations, Transporting
66
D
B66D 1/00 (2006.01) E02F 3/48 (2006.01) E02F 3/58 (2006.01)
Patent
CA 2094581
A bucket dump block, used on dragline buckets, has side frames and a rotatable rope-guiding sheave. In the improvement, each side frame has a separate ring-like support section extending toward the other side frame and abutting the support section of such other side frame. The sheave is supported by and rotates about such support sections. The sheave rides on an annular anti-friction member retained on a sleeve into which the support sections are press-fitted. The dump block (which is devoid of provisions for lubrication) has a minimum number of parts and is easy to manufacture and repair.
Une poulie de déversement pour benne traînante a des bâtis latéraux et un rouet pour guider le câble. Dans l'amélioration proposée, chaque bâti latéral a une section d'appui distincte genre anneau s'étendant vers l'autre bâti latéral et se mettant bout à bout avec la section d'appui dudit autre bâti latéral. Le rouet est supporté par lesdites sections d'appui autour desquelles il tourne. Le rouet porte sur un élément annulaire antifriction retenu par un manchon dans lequel les sections d'appui sont emmanchées à force. La poulie de déversement (sans dispositif de lubrification) a un minimum de pièces et est facile à fabriquer et à réparer.
Harnischfeger Technologies Inc.
Ridout & Maybee Llp
LandOfFree
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