JPS61108251U

JPS61108251U -

Info

Publication number: JPS61108251U
Application number: JP19339984U
Authority: JP
Priority date: 1984-12-20
Filing date: 1984-12-20
Publication date: 1986-07-09

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す概略側面図、
第２図は上記実施例の斜視図、第３図は上記実施
例における作動態様の説明図および第４図は上記
実施例における他の作動態様の説明図である。９……第１の搬送ロール、９ａ……支軸、１０
……第２の搬送ロール、１０ａ……支軸、１０ｂ
……偏心軸、１３……駆動スプロケツト、１４…
…スプリングクラツチ、１５……チエーン、１６
……クラツチスリーブ、１６ａ，１６ｂ……係止
片、１７……ソレノイド、１７ａ……係止爪、１
８……駆動制御回路、１９……スイツチ、２０…
…センサー。 FIG. 1 is a schematic side view showing an embodiment of the present invention;
FIG. 2 is a perspective view of the above embodiment, FIG. 3 is an explanatory diagram of an operating mode in the above embodiment, and FIG. 4 is an explanatory diagram of another operating mode in the above embodiment. 9...First conveyance roll, 9a...Spindle, 10
...Second transport roll, 10a...Spindle, 10b
...Eccentric shaft, 13...Drive sprocket, 14...
...Spring clutch, 15...Chain, 16
...Clutch sleeve, 16a, 16b...Locking piece, 17...Solenoid, 17a...Latching claw, 1
8... Drive control circuit, 19... Switch, 20...
…sensor.

Claims

[Scope of Claim for Utility Model Registration] (1) In an electronic copying machine that has a double-sided copying function and is equipped with a fixing device consisting of a heat roll and a pressure roll, a copy paper conveyance path downstream of the fixing device. a first conveyance roll whose circumferential surface is made of a soft material at least and which is disposed beside the heat roll; and a first conveyance roll disposed beside the pressure roll of the copy paper conveyance path. A second conveying roll whose circumferential surface is at least made of a hard material is brought into pressure contact with the first conveying roll, and the distance between the spindles of the first conveying roll and the second conveying roll is changed.
a roll pressure adjustment means for changing the roll pressure between the transport roll and the second transport roll into a first roll pressure suitable for a single-sided copy mode and a second roll pressure suitable for a double-sided copy mode; Roll pressure selection means for selecting either one of the first roll pressure and the second roll pressure, which are changed by the pressure adjustment means, according to the copy mode; and the roll pressure selection means. and a drive means for driving the roll pressure adjusting means to obtain a roll pressure selected by the method. (2) The first conveyance roll and the second conveyance roll are a pair of conveyance rolls occupying a position closest to the fixing device in the copy paper conveyance path downstream of the fixing device. A copy paper curl straightening device according to claim 1 of the utility model registration claim.