Method for stacking articles and feeding the stacks to a dischar

Details Method for stacking articles and feeding the stacks to a dischar Method for stacking articles and feeding the stacks to a dischar

Filed on

1989-05-26

Date issued

1991-07-09

Examiner

Spar, Robert J.

Patent Class

Material or article handling

SubClass

Apparatus for moving intersupporting articles into, within,...

SubSubClass

Stack forming apparatus

Other Related Categories

1984634, 19846811, 4147899, 4147984, B65G 6100

Type

Patent

Status

active

Patent number

050300580

Description

ABSTRACT:
A method for stacking small articles in a side-by-side stack and feeding the stacks to a discharge conveyor. A plurality of articles, such as small video cassette containers, are conveyed in an upright end-to-end relation on a first conveyor. As each article approaches the downstream end of the conveyor, it is pushed laterally across a platform against a movable backstop to form a side-by-side stack of articles. The stack is then transferred into a movable carriage and the carriage is moved to a position over a discharge conveyor. The end of the carriage facing downstream in the direction of movement of the discharge conveyor is provided with a movable gate and after the carriage is in position over the discharge conveyor the gate is opened to release the stack for movement on the discharge conveyor.

REFERENCES:
patent: 1433328 (1922-10-01), Wright
patent: 1703466 (1929-02-01), Wright
patent: 3388815 (1969-06-01), Lingl
patent: 3869036 (1975-03-01), Peters et al.
Copies of these references were supplied during the prosecution of parent application Ser. No. 118534.

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