Railways – Droppings catcher
Patent
1976-01-20
1978-11-07
Sheridan, Robert G.
Railways
Droppings catcher
104 28, 104 29, 214151, 214516, B65G 6300, B65G 6702, B60P 164
Patent
active
041241290
ABSTRACT:
This invention is a loader-unloader and storage system for loads such as cargo containers or trailers to transfer them to or from trains or vehicles moving by. This loader has a lift frame with forks or hooks for engaging under to hold a load. The frame is pivotally secured on a plurality of parallel crank arms each mounted to rotate on a vertical pivot to form a parallelogram linkage. The arms are supported on wheels that run on a circular track concentric under each crank arm. The track has slopes to lift and lower the arms together according to the rotary position of the arms and track to transfer loads to or from a vehicle having side latches coupled the the forks, the frame, or the load. A load receiver cooperates for removing loads from the lift frame nonstop so the loader can be used to unload or load successive loads. One receiver is a conveyor having two chain runs which receive the load from the loader and move the load back to clear a place to set the next load thereon. The empty load frame can be translated around its track to the coupling position before the next load is aligned for transfer. The conveyor works in reverse to spot successive loads for the loader to lift off and swing parallel to set on successive empty spots or berth on transport vehicles. The loader can be mounted on stationary pivot columns to load or unload vehicles moving by or be mounted on a vehicle to operate while the vehicle is either moving or stationary and/or be mounted on a turntable to turn around or turn loads 90.degree. to and from a storage rack, conveyor, etc. The loader can be made to load and unload vehicles from either direction. A form of the loader supports loads at two levels on the frame to insert and remove adjacent containers on one pass.
REFERENCES:
patent: 2327135 (1943-08-01), Scott
patent: 3190467 (1965-06-01), English
patent: 3630397 (1971-12-01), Batson
patent: 3904046 (1975-09-01), Lunden
patent: 3984019 (1976-10-01), Brudi et al.
patent: 3991889 (1976-11-01), Cox
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