JPH0465338U

JPH0465338U -

Info

Publication number: JPH0465338U
Application number: JP10963490U
Authority: JP
Priority date: 1990-10-19
Filing date: 1990-10-19
Publication date: 1992-06-05

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す部分側面図、
第２図は第１図中の原稿圧板を示す部分破断斜視
図、第３図は吸引孔を設ける範囲を示す部分斜視
図、第４図は吸引管体を示す斜視図、第５図は原
稿圧板を持ち上げて原稿を原稿押さえ面に吸引し
た状態を示す断面図、第６図は原稿取り替え作業
を示す断面図、第７図は他の吸引装置の例を示す
断面図、第８図はさらに他の吸引装置の例を示す
断面図、第９図は原稿押さえ面を構成する部材を
箱状とした例を示す断面図、第１０図は複写機等
の画像形成機の原稿押さえに関する部分の一般的
構成を示す断面図、そして第１１図は従来に複写
機等における原稿取り替え作業を示す断面図であ
る。１……複写機本体、２……コンタクトガラス、
３……原稿圧板、５……ヒンジ、１０……原稿圧
板、１１……原稿押さえ面、１２……吸引孔、１
３……吸引管体、１６……チユーブ、１７……蛇
腹状ポンプ、１８……エア放出管、２１……原稿
、２１ａ……新原稿、２１ｂ……前原稿、２２…
…一方向弁、２５……フアン、２６……電磁弁、
２７……ダイヤフラム型ポンプ、２８……原稿押
さえ部材。 FIG. 1 is a partial side view showing an embodiment of the present invention;
Fig. 2 is a partially cutaway perspective view showing the document pressure plate in Fig. 1, Fig. 3 is a partial perspective view showing the area where the suction holes are provided, Fig. 4 is a perspective view showing the suction tube, and Fig. 5 is the original document. A sectional view showing a state where the pressure plate is lifted and the original is suctioned to the original holding surface, FIG. 6 is a sectional view showing the original replacement work, FIG. 7 is a sectional view showing an example of another suction device, and FIG. 8 is a further sectional view. 9 is a cross-sectional view showing an example of a box-shaped member constituting the document holding surface, and FIG. 10 is a cross-sectional view showing an example of a document holding surface of an image forming machine such as a copying machine. FIG. 11 is a cross-sectional view showing a general configuration, and FIG. 11 is a cross-sectional view showing a conventional document replacement operation in a copying machine or the like. 1...Copier main body, 2...Contact glass,
3... Original pressure plate, 5... Hinge, 10... Original pressure plate, 11... Original pressing surface, 12... Suction hole, 1
3... Suction pipe body, 16... Tube, 17... Bellows-like pump, 18... Air discharge tube, 21... Original manuscript, 21a... New manuscript, 21b... Previous manuscript, 22...
...One-way valve, 25...Fan, 26...Solenoid valve,
27...Diaphragm type pump, 28...Document holding member.

Claims

[Scope of Claim for Utility Model Registration] (1) An image forming machine consisting of a document pressure plate with suction holes provided on the document holding surface, and a suction device that sucks air from the suction holes to suck the document onto the document holding surface. Document holding plate device. (2) The document pressing plate device for an image forming machine according to claim 1, wherein the suction device is provided with a one-way valve in the suction path for preventing air discharge when closing the document pressing plate. (3) The original holding plate device for an image forming machine according to claim 1 or 2, wherein the suction hole is provided at least within a minimum size range of the transfer paper.