Conveyors: power-driven – Conveyor section – Pusher conveyor and separate load support surface
Patent
1993-06-29
1994-03-29
Bidwell, James R.
Conveyors: power-driven
Conveyor section
Pusher conveyor and separate load support surface
1988604, B65G 3500
Patent
active
052976688
ABSTRACT:
A vertical conveyor comprising a centrally rotatable column having a plurality of spaced apart container pusher bars extending therefrom. A helical container support bed extends around the central column and is positioned outwardly therefrom for supporting the lower ends of the containers being conveyed by the conveyor. A helical guide rail is positioned outwardly of the central column and is positioned above the support bed for preventing the containers from falling from the conveyor and for maintaining the containers in engagement with the pusher bars of the central column. A gate is provided in the guide rail near the lower end of the conveyor which may be manually opened should a line stoppage occur and it is necessary to remove the containers from the conveyor through the opening created when the gate is opened. A removable pin operatively connects the central column with the drive shaft therefor so that when the pin is removed, the central column may be manually rotated to cause the central column to successfully deliver the containers to be positioned adjacent the opening created by the open gate.
REFERENCES:
patent: 1758994 (1930-05-01), Yeomans
patent: 1890753 (1932-12-01), Scheurer
patent: 1892206 (1932-12-01), Dietz
patent: 2628708 (1953-02-01), Wahl et al.
patent: 2777567 (1957-01-01), Russell
patent: 3261453 (1966-07-01), Hirs
patent: 3295666 (1967-01-01), Kay et al.
patent: 3306432 (1967-02-01), Hoagland
patent: 3528363 (1970-09-01), Creed
patent: 4756403 (1988-07-01), Sasaki et al.
Bidwell James R.
Millard Mfg. Corp.
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