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.
Patent No.:
Date of Patent:
Dec. 02, 1980
Filed:
Jun. 22, 1978
Applicant:
Inventor:
Sakae Fujimoto, Chofu, JP;
Assignee:
Ricoh Company, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; B65H / ;
U.S. Cl.
CPC ...
271 11 ; 271103 ; 271107 ; 271112 ;
Abstract
A pneumatic sheet feeder includes a movable bottom plate which is disposed to form a constant angle with the uppermost sheet in a stack placed on a sheet receptacle, irrespective of the height of the stack. Sheets on the receptacle are attracted one by one by a negative pressure to be sequentially fed by a feed roller which is driven for rotation in an automatic manner.