Sheet feeding or delivering – Feeding – Separators
Patent
1983-12-21
1986-04-01
Stoner, Jr., Bruce H.
Sheet feeding or delivering
Feeding
Separators
271268, 294 61, B65H 322, B65H 514
Patent
active
045793310
ABSTRACT:
A method and apparatus for gripping lifting and transporting a sheet, especially a textile sheet, from a stack of sheets. The apparatus has a plurality of substantially vertically oriented gripping mounted under and depending downward from a substantially horizontal holder. Each device has at its downward terminal end a pair of clamping jaws. Each clamping jaw has a plurality of pointed tip members depending downwardly from its edge adjacent the other jaw. A plurality of spaced-apart finger grippers are rotatably disposable to a position beneath the clamping jaws. Each gripping device is preferably arranged with respect to another so that its downward terminal end is in a different horizontal plane from each other juxtaposed device. The method utilizes the apparatus to perform the steps of positioning the gripping device over the uppermost sheet of a stack, opening, lowering and closing the clamping jaws with the pointed tips piercing the upper surface structure of the uppermost sheet, lifting the sheet away from the stack with the sheet undulating according to the arrangement of the clamping jaws, and rotating the finger grippers to a working position at the underside of the sheet to further support it.
REFERENCES:
patent: 3386763 (1968-06-01), Ottaway et al.
patent: 3588091 (1971-06-01), Stone, III et al.
patent: 3747919 (1973-07-01), Stewart et al.
patent: 4015872 (1977-04-01), Loznak et al.
patent: 4437655 (1984-03-01), Bijttebier et al.
patent: 4444384 (1984-04-01), Keeton
Litzkow Bernd
Nestler Dietmar
Goffney, Jr. Lawrence J.
Stoner Jr. Bruce H.
VEB Textil- und Konfektionsbetrieb
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