JPH0434237U

JPH0434237U -

Info

Publication number: JPH0434237U
Application number: JP7553790U
Authority: JP
Priority date: 1990-07-18
Filing date: 1990-07-18
Publication date: 1992-03-23

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例にかかるスキヤナの
搬送機構を示す概略図、第２図は位置決め装置の
一例を示す概略斜視図、第３図ａ，ｂは位置決め
装置の作用を説明するための概略部分断面図、第
４図は本考案の他の実施例にかかる位置決め装置
を示す概略斜視図、第５図ａ，ｂは第４図の装置
の作用を説明するための概略部分断面図、第６図
ａ，ｂは第４図の装置の変形例を示す概略部分断
面図である。１……給紙台、２……読取原稿、１０，１１…
…凹部、１２，１３……板バネ、１４……回転軸
、１５，１６……カム部材、２０，２１……保持
部材、２２，２３，２５，２６……爪部材、２７
，２８……切り欠き。 Fig. 1 is a schematic diagram showing a conveyance mechanism of a scanner according to an embodiment of the present invention, Fig. 2 is a schematic perspective view showing an example of a positioning device, and Figs. 3 a and b are for explaining the operation of the positioning device. 4 is a schematic perspective view showing a positioning device according to another embodiment of the present invention, and FIGS. 5a and 5b are schematic partial sectional views for explaining the operation of the device shown in FIG. 4. , FIGS. 6a and 6b are schematic partial sectional views showing a modification of the device of FIG. 4. 1...Paper feed table, 2...Document to be read, 10, 11...
... Recessed portion, 12, 13 ... Leaf spring, 14 ... Rotating shaft, 15, 16 ... Cam member, 20, 21 ... Holding member, 22, 23, 25, 26 ... Claw member, 27
, 28...notch.

Claims

[Claims for Utility Model Registration] (1) In a paper positioning device that positions the leading position of a paper feed tray at a predetermined position, a concave portion formed corresponding to a predetermined position of the paper feed tray and its bending. a leaf spring member whose shaped end is arranged to be insertable into the recess; a cam member that abuts the leaf spring member and causes the bent and shaped end to come into contact with/leave the bottom of the recess; The cam is configured to bring the bent end of the leaf spring member into contact with the bottom of the recess when waiting for paper feeding, and to separate the bent end of the leaf spring member from the recess when paper feeding starts. A paper positioning device characterized by comprising a shaft for driving a member. (2) In a paper positioning device that positions the leading position of paper placed on a paper feed tray at a predetermined position,
a recess formed corresponding to a predetermined position of the paper feed tray;
A paper positioning device comprising: a shaft that rotates in response to a paper feeding operation; and an elastic pawl member attached to the shaft so that its tip can be inserted into the recess.