Sheet feeding or delivering – Delivering – Rotary conveyor
Patent
1975-11-21
1977-06-07
Coan, James F.
Sheet feeding or delivering
Delivering
Rotary conveyor
93 93R, 93 93C, 271 69, 271186, B31B 194
Patent
active
040275809
ABSTRACT:
A method and apparatus for stacking in precise alignment relatively large, flat, lightweight and flexible objects such as low density felted, fiber pads are disclosed. The disclosed method comprises the steps of feeding the pads towards the stack, rotating the leading edge of a pad to be stacked approximately 180.degree. to place the leading edge of the pad at the top of the stack in a position reversed top-bottom due to the rotation, and causing the remaining portion of the pad to follow in the position reversal along the top of the stack. The disclosed apparatus comprises at least one wheel with clips thereon for receiving and securing the leading edge of the pad, means such as an electric motor for rotating the wheel, means such as a slotted planar guide for disengaging the leading edge of the pad from the at least one wheel in precise alignment at the top of the stack as the at least one wheel rotates through the slots, and means such as air pressure directed against the pad remainder to cause it to take its place along the top of the stack. More than one pad may be stacked simultaneously according to the invention.
REFERENCES:
patent: 323394 (1885-08-01), Campbell
patent: 2904334 (1959-09-01), Cundall et al.
patent: 3075760 (1963-01-01), Frederick
patent: 3390619 (1968-07-01), Williams
patent: 3712186 (1973-01-01), Lulie et al.
patent: 3830144 (1974-08-01), Kuckhermann et al.
Coan James F.
Conwed Corporation
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