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:
Apr. 29, 1980
Filed:
May. 03, 1978
Emil Klenk, Murrhardt, DE;
Adolf Hornung, Reichenberg, DE;
Maschinenbau Oppenweiler GmbH, Oppenweiler, DE;
Abstract
A flat pile - automatic sheet feeder for lifting sheets from a flat pile and feeding them further with a sheet separator which has at least one suction head at least one sensor and a shaft, which during the rotation moves and returns the suction head from a rest position which is lifted off the pile into a suction position lying on the flat pile and moves and returns the sensor from a sensing position lying on the flat pile into a release position swung out of the way from the flat pile, and with a removal device pulling-off the sheet which is lifted by the suction member. The shaft of the sheet separator is connected with a drive via a shifting clutch coupling, the drive being provided for a continuous operation, which coupling couples the shaft to the drive when no sheet is sucked on the suction head in its rest position and it decouples from the drive when the suction head with a sucked sheet occupies its rest position again, and that for switching of the coupling at least two signal generators are provided, of which the first signal generator indicates when the suction head is located in its rest position, and the second signal generator indicates when no sheet is sucked on the suction head.