PRENDIFOGLIO PER MACCHINE OPERANTI SU FOGLI, COME MACCHINE DA STAMPA E SIMILI

This invention concerns a sheet gripper for sheet processing machines, especially for single- and multi-color printing presses of random printing processes as well as for numbering machines, coaters, folders, and similar apparatus. To permit interchange of one of several sheet grippers for another w...

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creator WEISGERBER WILLI
description This invention concerns a sheet gripper for sheet processing machines, especially for single- and multi-color printing presses of random printing processes as well as for numbering machines, coaters, folders, and similar apparatus. To permit interchange of one of several sheet grippers for another without removing the gripper spindle from the machine, the sheet gripper is formed with an open portion which encloses the gripper spindle through a maximum arc of 180 DEG and is fixedly retained in radially centered relation against the gripper spindle by a gripper lifter or carrier, also referred to as a drive dog, which is fixedly secured to the gripper spindle as by means of a screw or other removable fastener which extends through the drive dog or carrier and into the gripper spindle. A compression spring located to one side of the gripper spindle and an adjustment screw located to the opposite side thereof both cooperate with contact surfaces of both the sheet gripper and the drive dog to permit adjustment for centering of the sheet gripper.
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To permit interchange of one of several sheet grippers for another without removing the gripper spindle from the machine, the sheet gripper is formed with an open portion which encloses the gripper spindle through a maximum arc of 180 DEG and is fixedly retained in radially centered relation against the gripper spindle by a gripper lifter or carrier, also referred to as a drive dog, which is fixedly secured to the gripper spindle as by means of a screw or other removable fastener which extends through the drive dog or carrier and into the gripper spindle. 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To permit interchange of one of several sheet grippers for another without removing the gripper spindle from the machine, the sheet gripper is formed with an open portion which encloses the gripper spindle through a maximum arc of 180 DEG and is fixedly retained in radially centered relation against the gripper spindle by a gripper lifter or carrier, also referred to as a drive dog, which is fixedly secured to the gripper spindle as by means of a screw or other removable fastener which extends through the drive dog or carrier and into the gripper spindle. A compression spring located to one side of the gripper spindle and an adjustment screw located to the opposite side thereof both cooperate with contact surfaces of both the sheet gripper and the drive dog to permit adjustment for centering of the sheet gripper.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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language ita
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source esp@cenet
subjects CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
LINING MACHINES
PACKING
PERFORMING OPERATIONS
PRINTING
PRINTING MACHINES OR PRESSES
STAMPS
STORING
TRANSPORTING
TYPEWRITERS
title PRENDIFOGLIO PER MACCHINE OPERANTI SU FOGLI, COME MACCHINE DA STAMPA E SIMILI
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