JPS60223761A - Paper feeding mechanism for rolled type recording paper - Google Patents

Paper feeding mechanism for rolled type recording paper

Info

Publication number
JPS60223761A
JPS60223761A JP59076637A JP7663784A JPS60223761A JP S60223761 A JPS60223761 A JP S60223761A JP 59076637 A JP59076637 A JP 59076637A JP 7663784 A JP7663784 A JP 7663784A JP S60223761 A JPS60223761 A JP S60223761A
Authority
JP
Japan
Prior art keywords
recording paper
opening
roll
plate
paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP59076637A
Other languages
Japanese (ja)
Inventor
Sadao Mizuta
水田 定男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP59076637A priority Critical patent/JPS60223761A/en
Publication of JPS60223761A publication Critical patent/JPS60223761A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/005Sensing web roll diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00Unwinding, paying-out webs
    • B65H16/02Supporting web roll

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Facsimiles In General (AREA)

Abstract

PURPOSE:To facilitate setting of recording paper and simplify construction by detecting the displacement of a turning plate in a paper feeding passage and interlocking an opening/closing cover with the turning plate so as to release the contact with a roll when the cover is set in the opening direction and to contact with the roll when the cover is set in the closing direction. CONSTITUTION:When an angle detector 12 detects the exhaustion of the amount of recording paper 1, and an opening/closing cover 8 is opened by turning it in the C direction, also a plate 3 is turned in the A' direction in linkage, and new recording paper 1 can be easily set into a holder. Then, the recording paper 1 is introduced into a printing and cutting mechanism, and when the cover 8 is closed by turning it in the C' direction, also the plate 3 turns in the A direction in synchronization, and contacts with the roll part 1a of the recording paper 1. At this time, the projection 13a of the link is positioned under an elliptical hole 15a, and when the diameter of the roll part 1a reduced through the consumption of the recording paper 1, the plate 3 and the link 13 turn in the A direction, and the projection 13a rises in the elliptical hole, but the projection is engaged so as not to reach the upper edge even if the diameter reduces to the min. Thus, setting of recording paper is facilitated and the construction can be made simple.

Description

【発明の詳細な説明】 (技術分野) この発明はロール状記録紙を使用するファクシミリ装置
等において、前記記録紙を記録手段に供給する給紙機構
に関するものである。
Detailed Description of the Invention (Technical Field) The present invention relates to a paper feeding mechanism for feeding recording paper to recording means in a facsimile machine or the like that uses rolled recording paper.

(従来技術) 従来のこの種の技術を図面を用いて説明する。(Conventional technology) A conventional technique of this kind will be explained using drawings.

第1図はロール状記録紙の性質を示す図である。FIG. 1 is a diagram showing the properties of a roll of recording paper.

図(a)に示すようにロール状記録紙(以下記録紙とい
う)lのロール部1aが太い径の場合、切断した後の一
葉紙lbは巻きぐせ(以下カールという)ははとんど見
られないが、図(b)に示すように前記ロール部1aか
細い径の場合、前記−葉紙lbは強いカールを有するこ
ととなる。このようなカールのある前記−葉紙lbは、
これを見るとき又は保存用にとじるときなど大変扱いに
くい不都合なものである。
As shown in Figure (a), when the roll part 1a of the rolled recording paper (hereinafter referred to as recording paper) 1 has a large diameter, the curling (hereinafter referred to as ``curling'') of the sheet of paper lb after cutting is almost impossible. However, if the roll portion 1a has a small diameter as shown in Figure (b), the sheet lb will have a strong curl. The above-mentioned paper sheet lb with such curls is
This makes it very difficult and inconvenient to view it or to close it for preservation.

第2図は従来技術を示す要部側面図である。ただし、2
点鎖線はロール部1aの径の小さいときの記録紙1、回
転グレート3及び検出レバー6を示す。従来のこの種の
技術は、上記の点をふまえて下記のように構成されてい
た。前記記録紙1のロール部1aはホルダ(図示せず)
により回動自在に取付けられている。サイドフレーム(
図示セず)間に前記ロール部7aと平行に回転軸2が枢
支されており、該回転軸2には回転グレート3が設けら
れている。前記回転軸2には、前記グレート3が常に前
記ロール部1gに当接するように入方向に回転力が与え
られている(手段は任意)。
FIG. 2 is a side view of main parts showing the prior art. However, 2
The dashed dotted line shows the recording paper 1, the rotation grating 3, and the detection lever 6 when the diameter of the roll portion 1a is small. This type of conventional technology was configured as follows based on the above points. The roll portion 1a of the recording paper 1 is a holder (not shown).
It is rotatably mounted. side frame (
A rotary shaft 2 is pivotally supported between the roll portions 7a (not shown) in parallel with the roll portion 7a, and a rotary grate 3 is provided on the rotary shaft 2. A rotational force is applied to the rotating shaft 2 in the incoming direction so that the grate 3 always comes into contact with the roll portion 1g (any means may be used).

前記記録紙1の印字・カッター機構5への経路は、前記
記録紙1の前記ロール部1aの表面をなす面側に前記プ
レート3の端辺3aにより曲折してガイドル−ト4に至
り、該ガイドグレート4に軍内されて印字・カッター機
構5に至るものである。前記記録紙1は前記グレート3
の端辺3aでカールする方向と逆方向にしごかれてカー
ルが除去される。前記ロール部1aの径が大きいときは
角度θ1でしごかれ、径が小さくカールが強くなると前
記角度θlより鋭角な角度θ2でしごかれる。
The path of the recording paper 1 to the printing/cutting mechanism 5 is bent by the edge 3a of the plate 3 toward the surface forming the surface of the roll portion 1a of the recording paper 1, and reaches a guide route 4. It is connected to the guide grate 4 and reaches the printing/cutter mechanism 5. The recording paper 1 is the grade 3
The curl is removed by squeezing the edge 3a in the opposite direction to the curling direction. When the diameter of the roll portion 1a is large, it is squeezed at an angle θ1, and when the diameter is small and the curl is strong, it is squeezed at an angle θ2 that is more acute than the angle θl.

また、前記ロール部1aの下方に該ロール部Iaに当接
するようB方向に付勢された検出レバー6が設けられて
いる。該レバー6の回転角を検出器7により検出して、
これにより前記記録紙1の残量を検出していた。
Further, a detection lever 6 is provided below the roll portion 1a and is biased in the B direction so as to come into contact with the roll portion Ia. The rotation angle of the lever 6 is detected by the detector 7,
This allows the remaining amount of the recording paper 1 to be detected.

そして前記記録紙1がなくなると新しい記録紙1を補充
することになる。この場合、開閉カバー8をC方向に開
けて、さらに入方向に付勢されている前記プレート3を
A′方向に回動した上で、記録紙1をセットするもので
ある。
When the recording paper 1 runs out, new recording paper 1 is replenished. In this case, the opening/closing cover 8 is opened in the direction C, and the plate 3, which is urged in the entry direction, is rotated in the direction A', and then the recording paper 1 is set.

しかしながら、この際、前記検出レバー6がB方向に付
勢されているため、前記記録紙10セツトが行いづらい
という問題があった。
However, at this time, since the detection lever 6 is biased in the direction B, there is a problem in that it is difficult to set the recording sheets 10.

また、以上説明したような構成なので、構造が複雑にな
るという問題があった。
Furthermore, since the configuration is as described above, there is a problem in that the structure is complicated.

(発明の目的) この発明は、従来技術の上記問題点に鑑み、記録紙のセ
ットが容易でかつ構造が簡単なロール状記録紙の給紙機
構を提供することを目的としている。
(Object of the Invention) In view of the above-mentioned problems of the prior art, it is an object of the present invention to provide a paper feeding mechanism for rolled recording paper that allows easy setting of recording paper and has a simple structure.

(発明の構成) この発明は、上記目的を達成するため、ロール状記録紙
のロール部に当接するよう付勢されると共に前記記録紙
を前記ロール部の表面をなす面側に端辺にて曲折して前
記記録紙の記録機構への経路を形成するグレートと、前
記記録紙の残量を検出する手段とを有するロール状記録
紙の給紙機構において、 前記グレートの変位を検出する手段と、前記記録紙を交
換するための開口に設けられた開閉カバーを開く方向に
動かすと前記ロール部との当接を解除する方向にまた前
記開閉カバーを閉じる方向に動かすと前記ロール部との
当接を行う方向に前記プレートを前記開閉カバーと連動
させる手段とを備えたものである。
(Structure of the Invention) In order to achieve the above-mentioned object, the present invention is configured such that the recording paper is biased so as to come into contact with the roll part of the roll-shaped recording paper, and the recording paper is held at the edge thereof on the side that forms the surface of the roll part. A paper feeding mechanism for rolled recording paper comprising a grate that bends to form a path for the recording paper to the recording mechanism, and means for detecting the remaining amount of the recording paper, comprising: means for detecting displacement of the grate; When the opening/closing cover provided at the opening for replacing the recording paper is moved in the opening direction, the contact with the roll part is released, and when the opening/closing cover is moved in the closing direction, the contact with the roll part is released. and means for interlocking the plate with the opening/closing cover in the direction of contact.

(実施例) ここで、図面を用いてこの発明の詳細な説明する。第3
図は本発明の一実施例の要部斜視図、第4図は同じく要
部側面図で(、)は開閉力・ぐ−を閉じた状]!L(b
)は開閉カバーを開けた状態を示す。
(Example) Here, the present invention will be explained in detail using the drawings. Third
The figure is a perspective view of the main part of an embodiment of the present invention, and FIG. 4 is a side view of the main part. L(b
) indicates the state with the opening/closing cover open.

図に示すように、回動自在に取付けられた記録紙1のロ
ール部1aと平行にサイドフレーム(図示せず)に回転
軸2が枢支されており、該回転軸2に回転グレート3が
設けられると共に、アーム9が設けられている。該アー
ム9には前記回転軸2の中心から適宜離れた個所に突起
9aが設けられている。ワイヤ10は両端に輪10a、
10bを備え、引張力に耐えると共に可とう性を有する
ものである。該ワイヤの一端の輪10aは前記アーム9
の突起9aに掛着し、他端の輪10bはコイルスプリン
グ11の一端に掛着している。該フィルスプリング11
の他端は前記サイドフレームに保持されている。前記ス
プリング1ノにより前記ワイヤ10を介して前記アーム
9が付勢され、ひいては前記プレート3がA方向に付勢
される。
As shown in the figure, a rotating shaft 2 is pivotally supported on a side frame (not shown) parallel to the roll portion 1a of the recording paper 1 which is rotatably mounted, and a rotating grate 3 is mounted on the rotating shaft 2. An arm 9 is also provided. The arm 9 is provided with a protrusion 9a at a location appropriately away from the center of the rotating shaft 2. The wire 10 has loops 10a at both ends,
10b, which can withstand tensile force and has flexibility. The loop 10a at one end of the wire is connected to the arm 9.
The ring 10b at the other end is hooked to one end of a coil spring 11. The fill spring 11
The other end is held by the side frame. The arm 9 is biased by the spring 1 via the wire 10, which in turn biases the plate 3 in the A direction.

回転検出器12は前記サイドフレームに設けられ、ゾー
リ12aを有する。該ゾーリ12aに前記ワイヤ10は
滑らないように巻き付けられている。
The rotation detector 12 is provided on the side frame and has a slider 12a. The wire 10 is wound around the wire 12a so as not to slip.

また前記回転軸2と開閉カバー8はクランク13、リン
ク14及びクランク15を介して一連結されている。前
記クランク13は、前記アーム9と逆方向に平行に前記
回転軸2に固設されており、前記回転軸2から適宜離れ
た個所に突起2aが設けられている。前記開閉カバー8
の回転軸16にも同様に突起14aを有する前記リンク
14が設けられている。前記クランク15の一端は前記
リンク14の突起14aに枢着し、他端は該他端に設け
られた長穴15aにより前記リンク13の突起13B、
に係合する。
Further, the rotating shaft 2 and the opening/closing cover 8 are connected to each other via a crank 13, a link 14, and a crank 15. The crank 13 is fixed to the rotating shaft 2 in parallel in the opposite direction to the arm 9, and is provided with a protrusion 2a at an appropriate distance from the rotating shaft 2. The opening/closing cover 8
Similarly, the link 14 having a protrusion 14a is provided on the rotating shaft 16. One end of the crank 15 is pivotally connected to the protrusion 14a of the link 14, and the other end is connected to the protrusion 13B of the link 13 through an elongated hole 15a provided at the other end.
engage with.

次にこの動作を説明する。Next, this operation will be explained.

記録紙1が回転グレート3の端辺3aでカールする方向
と逆方向にしごかれてカールが除去された上で、印字・
カッター機構(図示せず)に供給されるのは第1図の例
と同様である。
The recording paper 1 is squeezed on the edge 3a of the rotating grate 3 in the opposite direction to the direction in which it curls to remove curls, and then printing and printing are performed.
The cutter mechanism (not shown) is fed as in the example of FIG.

前記記録紙1が使用されて、該記録紙1のロール部1a
の径が小さいと、それにつれて前記グレート3はA方向
に回転する。該プレート3の回転角度をα、アーム9の
突起9aと回転軸2中心との距離をR1角度検出器12
0シー’)12&の半径をrとすると、スプリング11
はE方向にRαだけ変位し、ワイヤー0もRαだけ移動
する。従っで前記グーIJ 12 aは一αだけD方向
に回転する。該シー’)12aの回転角度を前記角度検
出器12が検出し、これにより前記記録紙1の残量を検
出する。
When the recording paper 1 is used, the roll portion 1a of the recording paper 1
When the diameter of the grate 3 is small, the grate 3 rotates in the A direction accordingly. The rotation angle of the plate 3 is α, and the distance between the protrusion 9a of the arm 9 and the center of the rotation axis 2 is R1 angle detector 12.
0 Sea') 12 &'s radius is r, then the spring 11
is displaced by Rα in the E direction, and wire 0 also moves by Rα. Therefore, the goo IJ 12 a rotates by 1 α in the D direction. The angle detector 12 detects the rotation angle of the sheet 12a, thereby detecting the remaining amount of the recording paper 1.

また、前記記録紙1がなくなると、新しい記録紙1を補
充することになる。この場合、まず、開閉カバー8をC
方向に開ける。するとリンク14もC方向に回転し、そ
れと連動して、クランク15はB方向に移動する。該ク
ランク15の端部の長穴15aに係合したリンク13の
突起131sは前記長穴15aの上端に接して押圧され
前記リンク13は該クランク15に連動してA′方向に
回転し、これと同期して前記グレート3はA′方向に回
転することとなる。従って前記開閉力・々−8をC方向
に回転して開けると、前記グレート3もそれに連動して
A′方向に回転することとなる。
Furthermore, when the recording paper 1 runs out, new recording paper 1 must be replenished. In this case, first, open/close cover 8 is
Open in the direction. Then, the link 14 also rotates in the C direction, and in conjunction with this, the crank 15 moves in the B direction. The protrusion 131s of the link 13 engaged with the elongated hole 15a at the end of the crank 15 is pressed against the upper end of the elongated hole 15a, and the link 13 rotates in the direction A' in conjunction with the crank 15. In synchronization with this, the grate 3 rotates in the A' direction. Therefore, when the opening/closing force 8 is rotated in the C direction to open, the grate 3 is also rotated in the A' direction in conjunction with this.

次に新しい記録紙1をホルダーにセットする。Next, set new recording paper 1 in the holder.

これはすでに前記プレート3がA′方向に回転しており
、容易に行える。図について言うと左巻きなるようセッ
トする。そして前記記録紙1を印字・カッター機構(図
示せず)に導く。
This can be easily done since the plate 3 has already rotated in the A' direction. Regarding the diagram, set it so that it winds to the left. Then, the recording paper 1 is guided to a printing/cutting mechanism (not shown).

最後に、前記開閉カバー8をC′方向に回転して閉める
。すると、該開閉カバー8をC方向に回転して開けたと
きには逆に、前記リンク14はC′方向に、前記クラン
ク15はB′方向に連動する。そして前記リンク13の
突起13aは前記長穴の下端に当接・押圧されて、前記
リンク13はA方向に回転し、前記グレート3もそれと
同期してゝ・入方向に回転し、前記記録紙1のロール部
1aに当接する。
Finally, the opening/closing cover 8 is rotated in the C' direction to close it. Then, when the opening/closing cover 8 is rotated in the direction C and opened, the link 14 is moved in the direction C' and the crank 15 is moved in the direction B'. Then, the protrusion 13a of the link 13 is brought into contact with and pressed against the lower end of the elongated hole, and the link 13 is rotated in the A direction, and the grate 3 is also rotated in the direction of entry in synchronization with this, and the recording paper is rotated in the direction A. Abuts against the roll portion 1a of No. 1.

このとき前記リンク13の突起13aは前記長穴15h
の下方に位置するようになっている。前記記録紙1の消
費により前記ロール部1aの径が小さくなると、前記プ
レート3及び前記リンク13が入方向に回転して、前記
突起13hは前記長穴15hの中を上方向に移動するが
、前記ロール部1aが最小径になっても、前記突起13
mは前記長穴15aの上端に達しないように該両者は係
合するものである。
At this time, the protrusion 13a of the link 13 is inserted into the elongated hole 15h.
It is located below the . When the diameter of the roll portion 1a decreases due to consumption of the recording paper 1, the plate 3 and the link 13 rotate in the inward direction, and the protrusion 13h moves upward in the elongated hole 15h. Even if the roll portion 1a reaches its minimum diameter, the protrusion 13
The two are engaged so that m does not reach the upper end of the elongated hole 15a.

(発明の効果) 以上説明したように、この発明は回転グレートを開閉カ
バーと連動させる手段を備えているので、容易に記録紙
のセットが行えるという効果がある。
(Effects of the Invention) As described above, since the present invention is provided with a means for interlocking the rotating grate with the opening/closing cover, there is an effect that recording paper can be easily set.

さらに前記回転プレートの変位を検出することにより、
前記記録紙の残量を検出する構成にしたので、構造を単
純にさせることができるという効果がある。
Furthermore, by detecting the displacement of the rotating plate,
Since the configuration is configured to detect the remaining amount of recording paper, there is an effect that the structure can be simplified.

またこの発明はロール状記録紙を使用し、該記録紙のカ
ールを除去する必要のある静電プリンタ、複写機等にも
利用することができる。
The present invention can also be used in electrostatic printers, copying machines, etc. that use roll-shaped recording paper and need to remove curls from the recording paper.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はロール状記録紙の性質を示す図。第2図は従来
技術を示す要部側面図。第3図は本発明の一実施例の要
部斜視図。第4゜図は同じく要部側面図。 1・・・ロール状記録紙、1a・・・記録紙1のロール
部、2・・・回転軸、3・・・回転プレート、4・・・
ガイドプレート、5・・・印字・カッター機構、8・・
・開閉カバー、9・・・アーム、9a・・・アーム9の
突起、10・・・ワイヤ、1(La、10b・・・ワイ
ヤ10の両端の輪、1)・・・コイルスプリング、12
・・・角度検出器、12 a−・・プーリ、13 、1
4−・・リンク、13a。 14a・・・リンク13.14の突起、15・・・クラ
ンク、15a・・・クランク15の長穴。 特許 出 願人 沖電気工業株式会社 第7図 第2図
FIG. 1 is a diagram showing the properties of rolled recording paper. FIG. 2 is a side view of main parts showing the prior art. FIG. 3 is a perspective view of essential parts of an embodiment of the present invention. Figure 4 is also a side view of the main part. DESCRIPTION OF SYMBOLS 1... Rolled recording paper, 1a... Roll part of the recording paper 1, 2... Rotating shaft, 3... Rotating plate, 4...
Guide plate, 5... Printing/cutter mechanism, 8...
- Opening/closing cover, 9... Arm, 9a... Protrusion of arm 9, 10... Wire, 1 (La, 10b... Rings at both ends of wire 10, 1)... Coil spring, 12
...Angle detector, 12 a-...Pulley, 13, 1
4-...Link, 13a. 14a...Protrusion of link 13.14, 15...Crank, 15a...Elongated hole of crank 15. Patent Applicant Oki Electric Industry Co., Ltd. Figure 7 Figure 2

Claims (1)

【特許請求の範囲】 ロール状記録紙のロール部に当接するよう付勢されると
共に前記記録紙を前記ロール部の表面をなす面側に端辺
にて曲折して前記記録紙の記録機構への経路を形成する
プレートと、前記記録紙の残量を検出する手段とを有す
るロール状記録紙の給紙機構において、 前記プレートの変位を検出する手段と、前記記録紙を交
換するための開口に設けられた開閉カバーを開く方向に
動かすと前記ロール部との当接を解除する方向にまた前
記開閉カバーを閉じる方向に動かすと前記ロール部との
当接を行う方向に前記グレートを前記開閉カバーと連動
させる手段とを備えたことを特徴とするロール状記録紙
の給紙機構。
[Scope of Claims] The recording paper is urged to come into contact with the roll part of the roll-shaped recording paper, and the recording paper is bent at the end side toward the surface forming the surface of the roll part, and the recording paper is sent to the recording mechanism. A paper feeding mechanism for rolled recording paper, comprising: a plate forming a path for recording paper; and means for detecting the remaining amount of the recording paper; means for detecting displacement of the plate; and an opening for replacing the recording paper. When the opening/closing cover provided on the opening/closing cover is moved in the direction of opening, the grate is moved in the direction of releasing the contact with the roll part, and when the opening/closing cover is moved in the direction of closing, the grate is opened/closed in the direction of bringing it into contact with the roll part. A paper feeding mechanism for rolled recording paper, characterized by comprising means for interlocking with a cover.
JP59076637A 1984-04-18 1984-04-18 Paper feeding mechanism for rolled type recording paper Pending JPS60223761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59076637A JPS60223761A (en) 1984-04-18 1984-04-18 Paper feeding mechanism for rolled type recording paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59076637A JPS60223761A (en) 1984-04-18 1984-04-18 Paper feeding mechanism for rolled type recording paper

Publications (1)

Publication Number Publication Date
JPS60223761A true JPS60223761A (en) 1985-11-08

Family

ID=13610889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59076637A Pending JPS60223761A (en) 1984-04-18 1984-04-18 Paper feeding mechanism for rolled type recording paper

Country Status (1)

Country Link
JP (1) JPS60223761A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326528A2 (en) * 1988-01-29 1989-08-02 FABIO PERINI S.p.A. Apparatus for controlling the production of paper rolls
US8011844B2 (en) * 2006-10-20 2011-09-06 Fujitsu Component Limited Printer having detecting arm for detecting near-end state of paper roll
CN110817512A (en) * 2019-10-27 2020-02-21 师永杰 Winding and cutting mechanism of membrane tape for building

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326528A2 (en) * 1988-01-29 1989-08-02 FABIO PERINI S.p.A. Apparatus for controlling the production of paper rolls
US8011844B2 (en) * 2006-10-20 2011-09-06 Fujitsu Component Limited Printer having detecting arm for detecting near-end state of paper roll
CN110817512A (en) * 2019-10-27 2020-02-21 师永杰 Winding and cutting mechanism of membrane tape for building
CN110817512B (en) * 2019-10-27 2021-03-12 安徽东汇市政工程有限公司 Winding and cutting mechanism of membrane tape for building

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