JPH01179746U

JPH01179746U -

Info

Publication number: JPH01179746U
Application number: JP7304288U
Authority: JP
Priority date: 1988-05-31
Filing date: 1988-05-31
Publication date: 1989-12-25
Anticipated expiration: 2003-05-31
Also published as: JPH0628192Y2

Description

[Brief explanation of the drawing]

図面は本考案の実施例を示すもので、第１図は
第一実施例の細断装置を具えた文書細断機の正常
時縦断側面図、第２図は同じく紙詰り時の縦断側
面図、第３図は同じく細断装置の駆動搬送ローラ
ー、従動搬送ローラーおよび固定刃ユニツトの斜
視図、第４図は同じく電気回路図、第５図は本考
案の第二実施例の縦断側面図である。１：本体、２：駆動搬送ローラー、３：従動搬
送ローラー、２ｂ，３ｂ：周溝、５：供給口、１
１：固定刃、１１ａ：刃面、１２：支持体、１５
：ユニツトケース、Ａ：回転駆動装置、Ｄ：搬送
方向、Ｄ１：搬送経路、Ｆ：取付装置、Ｇ：保持
手段、Ｈ：退避手段、Ｕ１：切断位置、Ｕ２：退
避位置。 The drawings show an embodiment of the present invention, and FIG. 1 is a vertical side view of a document shredding machine equipped with the shredding device of the first embodiment in normal operation, and FIG. 2 is a vertical side view of the document shredding machine when a paper jam occurs. , FIG. 3 is a perspective view of the driving conveyance roller, driven conveyance roller, and fixed blade unit of the shredding device, FIG. 4 is an electric circuit diagram, and FIG. 5 is a vertical side view of the second embodiment of the present invention. be. 1: Main body, 2: Drive conveyance roller, 3: Driven conveyance roller, 2b, 3b: Circumferential groove, 5: Supply port, 1
1: Fixed blade, 11a: Blade surface, 12: Support body, 15
: Unit case, A: Rotation drive device, D: Conveyance direction, D1: Conveyance path, F: Mounting device, G: Holding means, H: Retracting means, U1: Cutting position, U2: Retracting position.

Claims

[Scope of utility model registration request]

A pair of conveyance rollers rotatably supported by the main body, a plurality of circumferential grooves recessed in the axial direction of these conveyance rollers at shredding width pitches, a rotation drive device for the conveyance rollers, and a rotation drive device for the conveyance rollers; A fixed blade arranged in each of the circumferential grooves so as to have a blade surface with respect to the shredded paper conveyance direction, and an attachment device for attaching the fixed blade to the main body, the attachment device comprising:
holding means for holding the fixed blade in a cutting position near the contact point of the pair of conveyance rollers when the rotary drive device rotates in the normal direction, and a retracted position outside the conveyance path of the conveyance rollers when the rotary drive device rotates in the reverse direction. A shredding device for a document shredding machine, characterized in that the shredding device is comprised of a retracting means for moving the shredding device to the document shredder.