JPH0176842U - - Google Patents
Info
- Publication number
- JPH0176842U JPH0176842U JP1987172077U JP17207787U JPH0176842U JP H0176842 U JPH0176842 U JP H0176842U JP 1987172077 U JP1987172077 U JP 1987172077U JP 17207787 U JP17207787 U JP 17207787U JP H0176842 U JPH0176842 U JP H0176842U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- tractor
- covering
- frame
- circumferential 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Handling Of Sheets (AREA)
- Advancing Webs (AREA)
Description
第１図は本考案に係るトラクタの実施例を示す
第２図のＡ−Ａ線断面に相当する概略図、第２図
は一般的なトラクタを適用した紙送り機構の斜視
図、第３図は従来のトラクタを示す第１図と同様
の図である。
５……第１フレーム、６……第２フレーム、９
……駆動スプロケツト、１３……従動スプロケツ
ト、１４……ピンベルト、１５……ピン、１７…
…ラツク、２０，２１……被覆壁、２２……スリ
ツト、２３，２４……先端面。
Fig. 1 is a schematic diagram corresponding to the section taken along the line A-A in Fig. 2 showing an embodiment of the tractor according to the present invention, Fig. 2 is a perspective view of a paper feeding mechanism to which a general tractor is applied, and Fig. 3 1 is a diagram similar to FIG. 1 showing a conventional tractor. 5...First frame, 6...Second frame, 9
... Drive sprocket, 13 ... Driven sprocket, 14 ... Pin belt, 15 ... Pin, 17 ...
... Rack, 20, 21 ... Covering wall, 22 ... Slit, 23, 24 ... Tip surface.
Claims (1)
び従動スプロケツトに、内周面にこれらのスプロ
ケツトに噛合するラツクが形成されるとともに、
外周面に間隔をもつて複数のピンが突設されたピ
ンベルトを巻回してなるトラクタにおいて、前記
駆動スプロケツトの外周に噛合している部位のピ
ンベルトの長手方向における少なくとも一部の範
囲に突設されている複数のピンをその近接位置に
おいて被覆し得る被覆型を前記フレームに突設し
たことを特徴とするトラクタ。 ２ 前記被覆壁は、前記ピンの両側からピン方向
に張出し形成されている実用新案登録請求の範囲
第１項記載のトラクタ。[Claims for Utility Model Registration] 1. A drive sprocket and a driven sprocket supported by a frame have a rack formed on their inner circumferential surface to mesh with these sprockets, and
In a tractor wound around a pin belt having a plurality of pins protruding from the outer circumferential surface at intervals, the pin belt protrudes from at least a part of the longitudinal range of the pin belt at a portion meshing with the outer circumference of the drive sprocket. 1. A tractor comprising: a covering mold protruding from the frame, capable of covering a plurality of pins in close proximity to each other. 2. The tractor according to claim 1, wherein the covering wall extends from both sides of the pin in the direction of the pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172077U JPH0176842U (en) | 1987-11-12 | 1987-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172077U JPH0176842U (en) | 1987-11-12 | 1987-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0176842U true JPH0176842U (en) | 1989-05-24 |
Family
ID=31464068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987172077U Pending JPH0176842U (en) | 1987-11-12 | 1987-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0176842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310222A (en) * | 1989-05-26 | 1990-12-26 | Tokai Kogyo Kk | Driving and driven sprockets in paper feeder and structure of belt receiving rotor |
-
1987
- 1987-11-12 JP JP1987172077U patent/JPH0176842U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02310222A (en) * | 1989-05-26 | 1990-12-26 | Tokai Kogyo Kk | Driving and driven sprockets in paper feeder and structure of belt receiving rotor |