Article dispensing – Processes
Patent
1979-11-09
1981-12-15
Bartuska, F. J.
Article dispensing
Processes
221231, 271109, B65H 5900
Patent
active
043055257
ABSTRACT:
In a device for dispensing sheet material having at least one storage container for a stack of said sheet material, a withdrawal device associated with said storage container consisting of withdrawal rollers for removing sheets of said sheet material from said storage container, a plurality of spaced transporting rollers for conveying removed sheets along a path, spaced contra-rotating rollers which can be adjusted between said transporting rollers to obtain optimum detention of duplicate sheets thereby preventing the simultaneous passage of a plurality of sheets along said path and a dispensing station arranged at the end of the conveying path, the improvement comprising said contra-rotating rollers being formed of an inherently stable material, at least some of the transporting rollers being formed of an elastically yielding material preferably having a cellular or porous surface for good adhesion to said sheets, and at least some of the transporting rollers being formed of an inherently stable unyielding material to prevent a stack of said sheets from compressing said elastically yielding material and passing between said contra-rotating rollers and said elastic transporting rollers.
REFERENCES:
patent: 3044770 (1962-07-01), Breuers
patent: 3360259 (1967-12-01), Stewart
patent: 3788638 (1974-01-01), Lehmann
patent: 4192497 (1980-03-01), Perun et al.
Bartuska F. J.
Nixdorf Computer AG
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