Sheet-separating and conveying suction device

Details Sheet-separating and conveying suction device Sheet-separating and conveying suction device

1985-01-30

1987-02-03

Halvosa, George E. A.

Sheet feeding or delivering

Feeding

Separators

271 90, 414121, 92 85B, B65H 308

Patent

active

046405038

ABSTRACT:
In a sheet-separating suction device a suction piston carrying a suction nozzle is reciprocally movable in a sleeve secured to a housing of the device. An additional piston having at least one throttle is reciprocally movable in another sleeve also secured to the housing. The additional piston cooperates with the suction piston so as to brake the latter in its movement to an initial position and prevent impacts of the suction piston against the wall of the housing.

REFERENCES:
patent: 3702698 (1972-11-01), Schwebel
patent: 3834558 (1974-09-01), Bru
patent: 3921971 (1975-11-01), Vollrath

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