The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 18, 1989

Filed:

May. 26, 1987
Applicant:
Inventors:

Kenji Tajima, Kanagawa, JP;

Hiroshi Kushima, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
271 90 ; 271107 ;
Abstract

A sheet feeding mechanism for feeding stacked sheets one by one from a sheet magazine includes a plurality of suction cups coupled to a vacuum suction device for attracting one sheet at a time, and an arm member on which the suction cups are securely mounted. At least one rotatable bearing is operatively coupled to the arm member and rollingly movable in a guide groove having at least one curved or bent guide opening. The bearing is movable by a slider in and along the guide opening to angularly move the arm member and hence the suction cups for thereby swaying and feeding a sheet held by the suction cups.


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