JPH01100134U

JPH01100134U -

Info

Publication number: JPH01100134U
Application number: JP19503787U
Authority: JP
Priority date: 1987-12-22
Filing date: 1987-12-22
Publication date: 1989-07-05

Description

[Brief explanation of the drawing]

第１図〜第４図は本考案の画像読取装置の一実
施例を示す図であり、第１図はその画像読取装置
を適用したスキヤナ装置の駆動機構の斜視図、第
２図はそのキヤリツジ部分の拡大斜視図、第３図
はその軸受部の拡大正面図、第４図はその軸受部
の拡大斜視図である。第５図は本考案の画像読取
装置を適用したスキヤナ装置の他の実施例を示す
駆動機構の斜視図である。第６図〜第９図は従来
の画像読取装置の一例を示す図であり、第６図は
その駆動機構の斜視図、第７図はそのキヤリツジ
部分の拡大斜視図、第８図はその軸受部の正面拡
大図、第９図はその軸受部の側面断面図である。２１…キヤリツジ、２２ａ，２２ｂ，２３ａ，
２３ｂ…軸受、２４，２５…ガイドシヤフト、２
６ａ，２６ｂ，２７ａ，２７ｂ…ピン、３０ａ，
３０ｂ，３１ａ，３１ｂ…溝、３２，４７…ワイ
ヤ、３３，３４，３５，３６，３７，４１，４２
，４３，４４，４５…ガイドプーリ、３８，４６
…駆動プーリ、３９…駆動モータ。 1 to 4 are diagrams showing an embodiment of the image reading device of the present invention. FIG. 1 is a perspective view of a drive mechanism of a scanner device to which the image reading device is applied, and FIG. FIG. 3 is an enlarged front view of the bearing portion, and FIG. 4 is an enlarged perspective view of the bearing portion. FIG. 5 is a perspective view of a drive mechanism showing another embodiment of a scanner device to which the image reading device of the present invention is applied. 6 to 9 are views showing an example of a conventional image reading device, in which FIG. 6 is a perspective view of its drive mechanism, FIG. 7 is an enlarged perspective view of its carriage portion, and FIG. 8 is its bearing. FIG. 9 is a side sectional view of the bearing section. 21...Carriage, 22a, 22b, 23a,
23b... Bearing, 24, 25... Guide shaft, 2
6a, 26b, 27a, 27b...pin, 30a,
30b, 31a, 31b... Groove, 32, 47... Wire, 33, 34, 35, 36, 37, 41, 42
, 43, 44, 45...Guide pulley, 38, 46
... Drive pulley, 39... Drive motor.

Claims

[Scope of Claim for Utility Model Registration] (1) A carriage equipped with an optical system for main-scanning image information of a document, and a carriage disposed in the sub-scanning direction at both ends of the carriage in the main-scanning direction and sliding on both ends of the carriage. a pair of guide shafts that are freely supported; a sliding contact member that is in sliding contact with the guide shafts and is attached to the carriage so that the contact position with the guide shafts can be adjusted; and a sliding contact member that is fixed to both ends of the carriage in the main scanning direction and It is characterized by comprising a wire stretched in the sub-scanning direction along a guide shaft at both ends, a pulley that guides the wire, and a drive pulley that is driven by a motor and rotates the wire. image reading device. (2) A request for registration of a utility model characterized in that the sliding contact member has a groove with a triangular cross section, the guide shaft is inserted into the groove, and two surfaces within the groove are in line contact with the guide shaft. The image reading device according to item 1.