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Title:
CYLINDER LIFTING DEVICE
Document Type and Number:
Japanese Patent JP2016137613
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a cylinder lifting device which reliably performs contact/separation of gears according to vertical movement of a cylinder.SOLUTION: A cylinder lifting device of a printer comprises: an impression cylinder 3 which is provided rotatably and has an impression cylinder gear 29 at least at one side end; and a transfer cylinder 16 which is liftable and rotatable with respect to the impression cylinder 3, and has a transfer cylinder gear 30 capable of engaging with the impression cylinder gear 29 at least at one side end. The cylinder lifting device of the printer reliably performs contact/separation of the gears in accordance with the vertical movement of the cylinder by using a gear positioning device 31, which detects positions of teeth of the gears using positioning sensors 32, 33 and detection pieces 34, 35, and a gear guide device 36, which guides the engagement of the gears using a cam follower 37 and a guide member 38.SELECTED DRAWING: Figure 2

Inventors:
YANO HIROYUKI
KOBAYASHI SHINYA
Application Number:
JP2015013222A
Publication Date:
August 04, 2016
Filing Date:
January 27, 2015
Export Citation:
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Assignee:
RYOBI MHI GRAPHIC TECH LTD
International Classes:
B41F13/40; B41F7/02; B41F13/24; B41F23/08
Domestic Patent References:
JPS6194117A1986-05-13
JP2009012270A2009-01-22