Material or article handling – With weighing
Patent
1977-10-05
1981-12-01
Werner, Frank E.
Material or article handling
With weighing
198422, 198799, 198343, 414 78, 414 98, 414118, 414 74, 414120, 414122, B65G 5702, B65G 5902
Patent
active
043033652
ABSTRACT:
A stacker/unstacker for receptacles such as bread pans or baskets or the like includes a pair of laterally spaced-apart endless chains having receptacle carriers mounted therebetween for conveying receptacles between an infeed-outfeed conveyor and the top of a receptacle stack. The conveyor chains are horizontally spaced-apart in a direction perpendicular to the lateral direction with the carriers mounted for rotation about two spaced-apart axes which are respectively fixed with respect to the chains so that the carriers are stably held in a predetermined orientation and undergo only translational movement along the conveyor path. The path has a transfer portion at the top of the stack wherein the carriers and carried receptacles remain stationary for a time during which the carriers are moved between support and release conditions to pick up or deposit receptacles at the top of the stack. Indexing mechanism moves the transfer portion vertically to keep it at the top of the stack as the stack height changes. Magnetic and non-magnetic carriers are disclosed, as well as several arrangements of the infeed-outfeed conveyor with respect to the stack, and an automatic storage system using the stacker/unstacker.
REFERENCES:
patent: 1669060 (1928-05-01), Livingston
patent: 3256970 (1966-06-01), Fievet
patent: 3351174 (1967-11-01), Wommelsdorf et al.
patent: 3912070 (1975-10-01), Cronu et al.
patent: 3985223 (1976-10-01), Forcella et al.
patent: 4042124 (1977-08-01), Bowdry
patent: 4062537 (1977-12-01), Dietrich
Diver James J.
Euverard Maynard R.
Heide Henry A.
Velten & Pulver, Inc.
Werner Frank E.
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