Sheet feeding or delivering – Feeding – By means to convey sheet
Patent
1994-05-10
1995-10-10
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
By means to convey sheet
271196, 403104, 403110, B65H 502
Patent
active
054564581
ABSTRACT:
Device for adjusting the position of suction grippers on a sheet transfer drum for conveying sheets in a sheet-fed rotary printing press, at least some of the grippers being formed as suction grippers, at least one guide bar carried by the sheet transfer drum, holding elements mounted on the guide bar and having the respective suction grippers seated thereon, the suction grippers being manually displaceable along a generatrix of a cylindrical outer surface of the sheet transfer drum perpendicularly to a sheet conveying direction and being fixable thereon, includes a respective manually actuatable locking member connected to each of the holding elements for retaining the respective holding element in position on the guiding bar by frictional forces applied to the guiding bar at opposite sides of the respective holding element, the clamping element being an individual spring.
REFERENCES:
patent: 1505220 (1924-08-01), Shay
patent: 2090550 (1934-07-01), Pilblad
patent: 2251253 (1941-07-01), Miller
Japanese Patent No. 4-153039 (Takeda), May 26, 1992.
Japanese Patent No. 4-161336 (Sumitomo Jukikai Kogyo K,K), Jun. 4, 1992.
Japanese Patent No. 4-158041 (Sumitomo), Jun. 1, 1992.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
Skaggs H. Grant
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