Apparatus for conveying fragile items

Details Apparatus for conveying fragile items Apparatus for conveying fragile items

1978-07-06

1980-02-26

Rowland, James L.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By longitudinally respacing successive articles in stream

198461, B65G 4731

Patent

active

041901460

ABSTRACT:
Apparatus for reducing the accumulation pressure between succeeding items being conveyed in succession along an accumulation path to a receiving device, composed of a device for controlling the advance of items along the accumulation path in a manner to produce gaps between successive items in the conveying direction along the accumulation path, and a sensing unit disposed for monitoring the length of each gap and connected to the control device for causing the rate of supply of items to the outlet end of the accumulation path to be higher than the rate at which items are being conveyed from the accumulation path to the receiving device for a selected time period following each occurrence of a gap length exceeding a selected value, and to be lower than the rate at which items are being conveyed from the accumulation path to the receiving device at all other times, whereby a cyclic variation in gap length is produced between successive gaps.

REFERENCES:
patent: 2662633 (1953-12-01), Kingsley
patent: 3155221 (1964-11-01), Griner
patent: 3251452 (1966-05-01), Conway et al.
patent: 3944049 (1976-03-01), Graybill

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