Suction feeder

Details Suction feeder Suction feeder

1996-10-04

1998-03-24

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

By means to convey sheet

271197, B65H 502, B65H 2932

Patent

active

057304408

ABSTRACT:
A suction feeder can feed photosensitive material sheets of different sizes with the suction force applied thereto kept substantially constant. The suction feeder has a motor-driven endless suction belt having numerous suction holes formed uniformly over the entire area thereof. A suction box is provided under the carrier side of the suction belt and has a belt supporting plate formed with suction holes. A motor-driven blower is connected to the suction box. The suction pressure applied to the suction holes of the suction belt through the suction holes in the belt supporting plate is reduced by reducing the revolving speed of the blower-driving motor with an increase in the size of the photosensitive material sheet fed onto the carrier side of the suction belt. It is thus possible to apply substantially constant suction force to photosensitive material sheets of different sizes.

REFERENCES:
patent: 3563532 (1971-02-01), Street
patent: 5564693 (1996-10-01), Elkis et al.
Patent Abstracts of Japan, vol. 18, No. 362 (P-1766), 7 Jul. 1994 & JP 06 095294 A (Konica Corp), 8 Apr. 1994 * Abstract *.
Patent Abstracts of Japan, vol. 95, No. 008, 29 Sep. 1995 & JP 07 114113 A (Fuji Photo Film Co. Ltd.), 2 May 1995 * Abstract *.

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