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:
Aug. 29, 2000
Filed:
Apr. 07, 1999
Mosi Chu, Setauket, NY (US);
Keng-Yin Sun, Hsinchu, TW;
Macro Technology International Inc., Ronkonkoma, NY (US);
Abstract
A paper feeder comprises a control unit; a pair of side plates; a feed module having two or more separate feed rollers; a transport module having two or more separate transport rollers; a pusher module having a belt assembly and at least one pusher roller disposed under the belt assembly, the belt assembly further having two or more parallel shafts and two or more belts each having a protrusion and fitted on the shafts, the protrusions corresponding to each other; a first driving mechanism having a first motor and a first transmission mechanism, the first motor being connected to the first transmission mechanism which is in turn connected to at least one of the feed rollers; a second driving mechanism having a second motor and a second transmission mechanism, the second motor being connected to the second transmission mechanism which is in turn connected to at least one of the pusher rollers; a third driving mechanism having a third motor and a third transmission mechanism, the third motor being connected to the third transmission mechanism which is in turn connected to at least one of the shafts of the belt assembly; a separation module having a slopped plate, a horizontal plate extending from the slopped plate and at least one tab extending downward from the horizontal plate; and a sensor module having a horizontal plate, a first sensor and a second sensor, the first sensor and the second sensor being disposed in the horizontal plate in a direction parallel to the side plates and opposite to the direction of paper feed.