Bahnförderapparat und damit ausgerüstetes Druckgerät

A sheet convey apparatus and a printer having such a sheet convey apparatus according to the present invention have rock arms (24) rockable around a rotational center of a driven roller (3) on which an endless belt (1) is supported. Urging roller attaching plates (31) for supporting the urging rolle...

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creator KATSUYAMA, HITOSHI
description A sheet convey apparatus and a printer having such a sheet convey apparatus according to the present invention have rock arms (24) rockable around a rotational center of a driven roller (3) on which an endless belt (1) is supported. Urging roller attaching plates (31) for supporting the urging roller (9), a transmission shaft (30), urging roller driving arms (34) and urging cylinders (35) are attached to the rock arms (24), and the urging cylinders (35) can abut against the corresponding urging roller driving arms (34). Urging force releasing springs (36) are connected between the urging roller driving arms (34) and the rock arms (24). When the urging cylinders (35) are extended, the urging roller (9) is urged against the endless belt (1), and, when the urging cylinders (35) are retracted, the urging force of the urging roller (9) is released. In this way, a sheet urging force is kept constant to eliminate unevenness of the contact between the sheet and the endless belt, and any streak is prevent from being formed on the sheet.
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Urging roller attaching plates (31) for supporting the urging roller (9), a transmission shaft (30), urging roller driving arms (34) and urging cylinders (35) are attached to the rock arms (24), and the urging cylinders (35) can abut against the corresponding urging roller driving arms (34). Urging force releasing springs (36) are connected between the urging roller driving arms (34) and the rock arms (24). When the urging cylinders (35) are extended, the urging roller (9) is urged against the endless belt (1), and, when the urging cylinders (35) are retracted, the urging force of the urging roller (9) is released. 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Urging roller attaching plates (31) for supporting the urging roller (9), a transmission shaft (30), urging roller driving arms (34) and urging cylinders (35) are attached to the rock arms (24), and the urging cylinders (35) can abut against the corresponding urging roller driving arms (34). Urging force releasing springs (36) are connected between the urging roller driving arms (34) and the rock arms (24). When the urging cylinders (35) are extended, the urging roller (9) is urged against the endless belt (1), and, when the urging cylinders (35) are retracted, the urging force of the urging roller (9) is released. 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Urging roller attaching plates (31) for supporting the urging roller (9), a transmission shaft (30), urging roller driving arms (34) and urging cylinders (35) are attached to the rock arms (24), and the urging cylinders (35) can abut against the corresponding urging roller driving arms (34). Urging force releasing springs (36) are connected between the urging roller driving arms (34) and the rock arms (24). When the urging cylinders (35) are extended, the urging roller (9) is urged against the endless belt (1), and, when the urging cylinders (35) are retracted, the urging force of the urging roller (9) is released. In this way, a sheet urging force is kept constant to eliminate unevenness of the contact between the sheet and the endless belt, and any streak is prevent from being formed on the sheet.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects CONVEYING
CORRECTION OF TYPOGRAPHICAL ERRORS
DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM
DYEING OR PRINTING TEXTILES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LAUNDERING
LINING MACHINES
PACKING
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
STORING
TEXTILES
TRANSPORTING
TREATMENT OF TEXTILES OR THE LIKE
TYPEWRITERS
title Bahnförderapparat und damit ausgerüstetes Druckgerät
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