Transfer mechanism with jam detector

Details Transfer mechanism with jam detector Transfer mechanism with jam detector

1988-02-22

1990-10-09

Spar, Robert J.

Conveyors: power-driven

Conveyor system for establishing and moving a group of items

By shifting group from row conveyor onto stream conveyor

198448, 1984684, 1984642, B65G 4736

Patent

active

049614908

ABSTRACT:
A mechanism for transferring a pair of side-by-side cartons from one processing station to another, and accompanying device(s) for detecting any jam-up during the transfer, should one occur for any reason. One embodiment includes a photoelectric unit, a vacuum sensor, and a strobe signal for timing and detecting the presence of both signals to shut down the machine if either signal is abnormal. Another embodiment includes a second strobe signal for use as a back-up for the first strobe, or in lieu thereof, for timing and detecting the photoelectric signal only.

REFERENCES:
patent: 3160259 (1964-12-01), Dalton
patent: 4044891 (1977-08-01), Pynsky
patent: 4059187 (1977-11-01), Rueff et al.
patent: 4172347 (1979-10-01), Nitz
patent: 4183427 (1980-01-01), Tomikawa
patent: 4199050 (1980-04-01), Moller
patent: 4559718 (1985-12-01), Tadokoro
patent: 4566251 (1986-01-01), Spisak et al.
patent: 4590740 (1986-05-01), Rodocker

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