Sheet feeding or delivering – Feeding – By means to convey sheet
Patent
1990-06-27
1991-07-02
Schacher, Richard A.
Sheet feeding or delivering
Feeding
By means to convey sheet
271187, 271315, B65H 502, B65H 524
Patent
active
050280457
ABSTRACT:
Cams (36, 36') are arranged in each case laterally offset alternately on the chain (34) of the cam conveyor (30). The cams (36) are swivelled by the swivel rocker arm (44) into catching position (46), in which they are always actively conveying. Depending on the position of the control rocker arm (54), the cams (36') which can be switched away are left in their rest position (50) or likewise swivelled into the catching position (46). A retaining device (56), which holds back the printing products (18) deposited thereupon until they are pushed off by a cam (36, 36'), is provided at the depositing point (24). With the cams (36') which can be switched away actively conveying, each printing product 18 is individually seized by a cam (36, 36') and conveyed away in an imbricated formation. If the cam (36') which can be switched away are not actively conveying, two printing products (18) are in each case deposited one on top of the other and conveyed away by the cams (36) always actively conveying in an imbricated formation.
REFERENCES:
patent: 4487408 (1984-12-01), Fischer
patent: 4886260 (1989-12-01), Reist
patent: 4886264 (1989-12-01), Haensch
Ferag AG
Schacher Richard A,.
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