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Title:
PRINTING MACHINE PROVIDED WITH PLATE CYLINDER DRIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/008344
Kind Code:
A1
Abstract:
A plate cylinder driving device of a printing machine is provided with: a driving shaft for a plate cylinder; a driving helical gear fixed to the driving shaft; and an anti-backlash helical gear rotatably attached to the driving shaft and urged by a spring in an anti-backlash direction. Both the driving helical gear and the anti-backlash helical gear mesh with a main gear, and a plate provided with a plurality of holes each accommodating a roller is arranged between the anti-backlash helical gear and the driving helical gear. Friction between an anti-backlash gear and a driving gear in a plate cylinder driving device of a printing machine is reduced by a simple mechanism.

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JPH0788089[Title of the Invention] A gear for driving a body of an offset printing machine.
Inventors:
IZUME MASAYUKI (JP)
Application Number:
PCT/JP2017/022037
Publication Date:
January 11, 2018
Filing Date:
June 15, 2017
Export Citation:
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Assignee:
I MER CO LTD (JP)
International Classes:
B41F13/012; B41F13/00; B41F13/14
Domestic Patent References:
WO2012111091A12012-08-23
WO2016024997A12016-02-18
Foreign References:
JP2002188708A2002-07-05
JPS59196763U1984-12-27
JPS6369844U1988-05-11
US5813335A1998-09-29
JPS541548B21979-01-25
US9446581B22016-09-20
Other References:
See also references of EP 3480014A4
Attorney, Agent or Firm:
SHIOIRI Akira et al. (JP)
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