JPH045449U - - Google Patents
Info
- Publication number
- JPH045449U JPH045449U JP4380390U JP4380390U JPH045449U JP H045449 U JPH045449 U JP H045449U JP 4380390 U JP4380390 U JP 4380390U JP 4380390 U JP4380390 U JP 4380390U JP H045449 U JPH045449 U JP H045449U
- Authority
- JP
- Japan
- Prior art keywords
- roll paper
- detection
- detects
- remaining amount
- detection member
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 14
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Description
第１図は本考案のニアエンドの非検出状態を示
す正面断面図、第２図は検出状態を示す正面図、
第３図はニアエンド検出ユニツトの正面図、第４
図は右側面図、第５図は本考案の動作原理の概念
を示す平面図、第６図は従来例の側面図を示す。
１……検出チツプ、２，１２……検出ばね、３
，１３……マイクロスイツチ、４，１４……検出
フレーム、５……供給フレーム、６，１６……ロ
ール紙、７……供給軸、８，９……ねじ、１１…
…検出レバー。
FIG. 1 is a front sectional view showing the non-detection state of the near end of the present invention, FIG. 2 is a front view showing the detection state,
Figure 3 is a front view of the near-end detection unit; Figure 4 is a front view of the near-end detection unit;
The figure is a right side view, FIG. 5 is a plan view showing the concept of the operating principle of the present invention, and FIG. 6 is a side view of a conventional example. 1...Detection chip, 2, 12...Detection spring, 3
, 13... Micro switch, 4, 14... Detection frame, 5... Supply frame, 6, 16... Roll paper, 7... Supply shaft, 8, 9... Screw, 11...
...Detection lever.
Claims (1)
の残量を検出するニアエンド検出装置において、
前記ロール紙のスラスト方向に移動可能でしかも
前記ロール紙との接触端より遠ざかる方向に開い
たテーパを有した検出部材、該検出部材のほぼ中
心部を前記ロール紙側に付勢するばね部材、前記
検出部材のスラスト方向の位置により前記ロール
紙の残量の状態を検出するセンサー部材、前記検
出部材・ばね部材及びセンサー部材をユニツトと
して構成支持するためのフレーム部材とからなる
ことを特徴とするニアエンド検出装置。 In a near-end detection device that detects the remaining amount of roll paper that is pivotally supported as a printer's recording medium,
a detection member that is movable in the thrust direction of the roll paper and has a taper that opens in a direction away from a contact end with the roll paper; a spring member that biases a substantially central portion of the detection member toward the roll paper; The present invention is characterized by comprising a sensor member that detects the state of the remaining amount of the roll paper based on the position of the detection member in the thrust direction, and a frame member that supports the detection member, the spring member, and the sensor member as a unit. Near-end detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4380390U JPH045449U (en) | 1990-04-24 | 1990-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4380390U JPH045449U (en) | 1990-04-24 | 1990-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045449U true JPH045449U (en) | 1992-01-20 |
Family
ID=31556529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4380390U Pending JPH045449U (en) | 1990-04-24 | 1990-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045449U (en) |
-
1990
- 1990-04-24 JP JP4380390U patent/JPH045449U/ja active Pending