Apparatus for stacking and conveying wafer-like articles

Details Apparatus for stacking and conveying wafer-like articles Apparatus for stacking and conveying wafer-like articles

1988-03-23

1990-05-01

Spar, Robert J.

Material or article handling

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

Positions intersupporting article into row

53532, 53542, 1984642, 1984689, 1986891, 4147904, 4147905, 4147985, B65B 3540, B65G 5700

Patent

active

049213989

ABSTRACT:
An apparatus for forming consecutive groups of face-to-face stacked, flat articles includes an input conveyor for advancing the articles arranged in a flat-lying orientation and in a column of indeterminate length; a downwardly curving track arranged for receiving the articles from the input conveyor; a stock-forming device arranged for performing stacking steps by consecutively taking articles from the track and moving each article onto a trough into a face-to-face engagement with an outermost article of a group being under formation on the trough. There is provided a stepping motor connected to the stack-forming device for operating it in steps; a sensor arranged upstream of the stack-forming device responds to a passage of each article on the track. The sensor is connected to the stepping motor to operate it when the sensor responds. When the group has reached a predetermined number of articles or length, a mechanism discharges the group from the trough into a receptacle.

REFERENCES:
patent: 1971574 (1934-08-01), Moon
patent: 4176993 (1979-12-01), Luginbuhl
patent: 4291519 (1981-09-01), Johnson
patent: 4417837 (1983-11-01), Pinto et al.
patent: 4590743 (1986-05-01), Hardage
patent: 4712356 (1987-12-01), Hardage et al.
patent: 4718534 (1988-01-01), Harper
patent: 4736570 (1988-04-01), Hardage et al.
patent: 4768328 (1988-09-01), Mims

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