Material or article handling – Elevator or hoist and loading or unloading means therefor – Inclined track
Patent
1998-05-11
2000-09-05
Keenan, James W.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Inclined track
414645, 414814, B06F 1100
Patent
active
06113340&
ABSTRACT:
An automatic debris removal system for use in combination with a pre-existing construction hoist of the type including a plurality of telescoping extension members. Such a hoist includes a carriage device which traverses the extended hoist by means of a cable/winch mechanism that is an integral component of the hoist. The present debris removal system includes a tilting dumpster or bucket which is mechanically coupled to the carriage device and is transportable from ground level to the roof under construction for carrying debris and other materials. The present system includes a detachable chute device which is attached at the base of hoist to receive debris from the dumpster which is conducted by gravity to a dump truck for disposal. The present system also includes an automatic release mechanism for dumping the contents of the bucket as it contacts the chute at the lowermost position of its travel.
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patent: 2588458 (1952-03-01), Allphin et al.
patent: 2655276 (1953-10-01), Brodeske
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