Rotary applicator having suction rollers with suckers which can

Details Rotary applicator having suction rollers with suckers which can Rotary applicator having suction rollers with suckers which can

1983-03-01

1985-09-24

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 91, 271 95, B65H 508, B65H 312

Patent

active

045428948

ABSTRACT:
In a rotary applicator, suction rollers planetating about a central shaft are provided with suckers which are arranged in a row, project beyond the enveloping cylinders of the rollers and are placed on sucker carriers having suction air bores. The carriers communicate with suction air conduits and are rotatably but axially undisplaceably placed by means of sleeve-like tube members on the suction air conduits, the latter consisting of supporting tubes. The walls of the tubes and tube members are provided with bores which are in registry in the operative position of the suckers and of which the bores of the tube members communicate with the suction air bore of the sucker carrier. The suckers are rotatable to a position in which they are swung back within the enveloping cylinder and the walls of the tube members cover the bores of the supporting tube.

REFERENCES:
patent: 3251879 (1970-07-01), Niemeyer
patent: 3599970 (1971-08-01), Smithe

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