JPH027997U - - Google Patents
Info
- Publication number
- JPH027997U JPH027997U JP8479188U JP8479188U JPH027997U JP H027997 U JPH027997 U JP H027997U JP 8479188 U JP8479188 U JP 8479188U JP 8479188 U JP8479188 U JP 8479188U JP H027997 U JPH027997 U JP H027997U
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- punch
- punch pin
- sheet conveyance
- guide surface
- 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
- 238000004080 punching Methods 0.000 claims 2
- 238000005553 drilling Methods 0.000 description 10
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
第１図は本考案の一実施例を示す孔あけ装置の
要部縦断面図、第２図は本考案の他の実施例を示
す孔あけ装置の要部縦断面図、第３図は本考案の
さらに他の実施例を示す孔あけ装置の要部縦断面
図、第４図は従来の孔あけ装置の一例を示す側面
図、第５図は従来の孔あけ装置の穿孔状態の一態
様を示す孔あけ部分の要部縦断面図、第６図は従
来の孔あけ装置の穿孔状態の別態様を示す孔あけ
部分の要部縦断面図、第７図は第６図の穿孔部分
の刃先とシートとの関係を示す縦断面図である。
２……シート搬送通路、３……パンチ台、４…
…パンチピン、４ａ……刃先、５……押し下げ部
材、２０，３０……シート案内部材、１ａ……パ
ンチピン支持部、２０ｅ，３０ｃ，１ｄ……シー
ト案内面。
Fig. 1 is a vertical sectional view of the main part of a drilling device showing one embodiment of the present invention, Fig. 2 is a longitudinal sectional view of the main part of a drilling device showing another embodiment of the invention, and Fig. 3 is a main part longitudinal sectional view of the drilling device showing another embodiment of the invention. FIG. 4 is a side view showing an example of a conventional drilling device, and FIG. 5 is an aspect of the drilling state of the conventional drilling device. FIG. 6 is a vertical sectional view of the main part of the drilling part showing another aspect of the drilling state of the conventional drilling device, and FIG. 7 is a longitudinal sectional view of the main part of the drilling part shown in FIG. 6. FIG. 3 is a longitudinal cross-sectional view showing the relationship between the cutting edge and the sheet. 2... Sheet conveyance path, 3... Punch table, 4...
...Punch pin, 4a...Blade edge, 5...Pushing down member, 20, 30...Sheet guide member, 1a...Punch pin support portion, 20e, 30c, 1d...Sheet guide surface.
Claims (1)
されたパンチピンとパンチ台とを有していて、上
記パンチピンを一定のストロークで揺動する押し
下げ部材によりパンチ台に向けて押し下げ、上記
シート搬送通路内を搬送されるシートに孔をあけ
る孔あけ装置において、 上記シート搬送通路の孔あけ部にシートを導く
、上記パンチピン側に位置するシート案内面を、
上記シートの進行方向に向つて漸次、狭くなるよ
うに形成し、上記パンチピンの刃先を上記案内面
よりも内側に位置させたことを特徴とする孔あけ
装置。[Claim for Utility Model Registration] A punch pin and a punch stand are arranged opposite to each other across a sheet conveyance path, and the punch pin is directed toward the punch stand by a push-down member that swings at a constant stroke. In a punching device that presses down and punches a hole in a sheet conveyed in the sheet conveyance passage, a sheet guide surface located on the punch pin side that guides the sheet to the perforation part of the sheet conveyance passage;
A punching device characterized in that the punch pin is formed so as to become gradually narrower in the traveling direction of the sheet, and the cutting edge of the punch pin is located inside the guide surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8479188U JPH027997U (en) | 1988-06-27 | 1988-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8479188U JPH027997U (en) | 1988-06-27 | 1988-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027997U true JPH027997U (en) | 1990-01-18 |
Family
ID=31309471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8479188U Pending JPH027997U (en) | 1988-06-27 | 1988-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0322898U (en) * | 1989-07-18 | 1991-03-11 | ||
| JP2015223642A (en) * | 2014-05-26 | 2015-12-14 | 株式会社リコー | Punching device, sheet processing device and image forming apparatus |
-
1988
- 1988-06-27 JP JP8479188U patent/JPH027997U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0322898U (en) * | 1989-07-18 | 1991-03-11 | ||
| JP2015223642A (en) * | 2014-05-26 | 2015-12-14 | 株式会社リコー | Punching device, sheet processing device and image forming apparatus |
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