Tray loading machine

Package making – Methods – Filling preformed receptacle

Patent

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Details

53247, 53252, B65B 506

Patent

active

044346026

ABSTRACT:
A tray loading mechanism for moving accumulated charges of containers from an accumulating position into trays at a loading position through the unclosed end flaps on the trays including a loading conveyor with endless support means movable along an endless path and mounting a plurality of pusher assemblies thereon at equally spaced apart positions therealong for movement between the accumulating and loading positions. A clutch mechanism selectively connects a first drive unit to the loading conveyor to move the pusher assemblies in a first direction along the endless path and a brake mechanism selectively connects a second drive unit to the loading conveyor to move the pusher assemblies in the opposite direction along the endless path so that the pusher assemblies are incrementally advanced in the first direction around the endless path by the first drive unit to engage and move the charges of containers from the accumulating station into the trays at the loading station and retracted a short distance in the opposite direction by the second drive unit after each incremental advancement in the first direction so that the pusher assembly loading a charge of containers in the tray just clears the unclosed end flaps of the tray. The method of operation thereof is also disclosed.

REFERENCES:
patent: 2324930 (1943-07-01), Joa
patent: 2570030 (1951-10-01), Forster
patent: 3401789 (1968-09-01), Schuster
patent: 3504784 (1970-04-01), Noyes
patent: 3527337 (1970-09-01), Formo
patent: 3775938 (1973-12-01), Sutphin
patent: 3876062 (1975-04-01), Honda
patent: 4164278 (1979-08-01), Gurioli

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