JPH0450418U - - Google Patents
Info
- Publication number
- JPH0450418U JPH0450418U JP8956090U JP8956090U JPH0450418U JP H0450418 U JPH0450418 U JP H0450418U JP 8956090 U JP8956090 U JP 8956090U JP 8956090 U JP8956090 U JP 8956090U JP H0450418 U JPH0450418 U JP H0450418U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- drive shaft
- insertion hole
- shaft insertion
- outer support
- 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
- 230000037431 insertion Effects 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
Landscapes
- Road Repair (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Description
第１図はこの考案実施例に係るコンクリートカ
ツターの正面図、第２図はこの考案実施例の断面
図であつて、第２図ａは固定状態を示し、第２図
ｂは取り外し途中を示し、第２図ｃはブレードの
取り外し時を示すものであり、第３図は同じく外
側支持体の使用方法を示す分解斜視図であつて、
第３図ａは駆動軸と一致したブレードを使用する
場合、第３図ｂは駆動軸よりも大きい規格のブレ
ードを使用する場合を示すものであり、第４図は
従来例を示し、第４図ａは固定状態を示し、第４
図ｂは取り外し途中を示し、第４図ｃはブレード
の取り外し時を示すものである。
１……駆動軸、２……内側支持体、３……ブレ
ード、３ａ……駆動軸挿通孔、４……外側支持体
、４ａ……片面、４ｂ……駆動軸挿通孔、５……
保護カバー、６……台枠、７……メネジ部、８…
…ボルト、９……凸部、１１……オネジ、１２…
…ナツト。
Fig. 1 is a front view of the concrete cutter according to the embodiment of this invention, and Fig. 2 is a sectional view of the embodiment of this invention, in which Fig. 2a shows the fixed state, and Fig. 2b shows the concrete cutter in the middle of being removed. FIG. 2c shows the blade when removed, and FIG. 3 is an exploded perspective view showing how to use the outer support.
Figure 3a shows the case where a blade that matches the drive shaft is used, Figure 3b shows the case where a blade of a larger size than the drive shaft is used, and Figure 4 shows a conventional example. Figure a shows the fixed state, and the fourth
Figure b shows the blade in the middle of removal, and Figure 4c shows the blade at the time of removal. DESCRIPTION OF SYMBOLS 1... Drive shaft, 2... Inner support body, 3... Blade, 3a... Drive shaft insertion hole, 4... Outer support body, 4a... Single side, 4b... Drive shaft insertion hole, 5...
Protective cover, 6...Underframe, 7...Female thread part, 8...
...Bolt, 9...Protrusion, 11...Male thread, 12...
...Natsuto.
補正 平２．１０．２４
実用新案登録請求の範囲を次のように補正する
。Amendment October 24, 2002 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
１ 駆動軸端部に嵌装したブレードを内外の支持
体で挟持し、前記駆動軸端部の底付穴にメネジ部
を形成し、該メネジ部にボルトを締結し、該ボル
トにより前記ブレードを内外の支持体で挟着固定
し、前記駆動軸端とブレード上部を被覆する保護
カバー外壁内側との間隔は前記ブレードの厚さよ
り大きくした、、コンクリートカツターにおける
ブレード固定装置。
２ 外側支持体の駆動軸挿通孔は小径駆動軸に対
応した外径とし、該外側支持体の片面における駆
動軸挿通孔の周縁に、駆動軸挿通孔と同心円状の
凸部を形成した、請求項１記載のコンクリートカ
ツターにおけるブレード固定装置。
３ 小径の駆動軸挿通孔を有するブレードの装着
には、外側支持体の凸部をブレード接触側と反対
側になるように装着した、請求項１又は２記載の
コンクリートカツターにおけるブレード固定装置
。
４ 大径の駆動軸挿通孔を有するブレードの装着
には、外側支持体を小径ブレード装着時と反対に
し、外側支持体の凸部外周面をブレードの駆動軸
挿通孔に挿通した、請求項１又は２記載のコンク
リートカツターにおけるブレード固定装置。[Claims for Utility Model Registration] 1. A blade fitted to the end of the drive shaft is held between inner and outer supports, a female thread is formed in the bottom hole of the end of the drive shaft, and a bolt is fastened to the female thread. A blade in a concrete cutter, wherein the blade is clamped and fixed between the inner and outer supports by the bolt, and the distance between the end of the drive shaft and the inner side of the outer wall of the protective cover covering the upper part of the blade is larger than the thickness of the blade. Fixation device. 2. A claim in which the drive shaft insertion hole of the outer support has an outer diameter corresponding to a small-diameter drive shaft, and a convex portion concentric with the drive shaft insertion hole is formed on the periphery of the drive shaft insertion hole on one side of the outer support. A blade fixing device for the concrete cutter according to item 1. 3. When installing a blade with a small-diameter drive shaft insertion hole, place the convex part of the outer support body opposite the blade contact side.
The blade fixing device for a concrete cutter according to claim 1 or 2, wherein the blade fixing device is installed so as to face the concrete cutter. 4.Claim 1: When installing a blade having a large-diameter drive shaft insertion hole, the outer support is reversed from when the small-diameter blade is installed, and the outer peripheral surface of the convex portion of the outer support is inserted into the drive shaft insertion hole of the blade. Or the blade fixing device in the concrete cutter according to 2.
Claims (1)
体で挟持し、前記駆動軸端部の底付穴にメネジ部
を形成し、該メネジ部にボルトを締結し、該ボル
トにより前記ブレードを内外の支持体で挟着固定
し、前記駆動軸端とブレード上部を被覆する保護
カバー外壁内側との間隔は前記ブレードの厚さよ
り大きくした、、コンクリートカツターにおける
ブレード固定装置。 ２ 外側支持体の駆動軸挿通孔は小径駆動軸に対
応した外径とし、該外側支持体の片面における駆
動軸挿通孔の周縁に、駆動軸挿通孔と同心円状の
凸部を形成した、請求項１記載のコンクリートカ
ツターにおけるブレード固定装置。 ３ 小径の駆動軸挿通孔を有するブレードの装着
には、外側支持体の凸部をブレード接触側と反対
一になるように装着した、請求項１又は２記載の
コンクリートカツターにおけるブレード固定装置
。 ４ 大径の駆動軸挿通孔を有するブレードの装着
には、外側支持体を小径ブレード装着時と反対に
し、外側支持体の凸部外周面をブレードの駆動軸
挿通孔に挿通した、請求項１又は２記載のコンク
リートカツターにおけるブレード固定装置。[Claims for Utility Model Registration] 1. A blade fitted to the end of the drive shaft is held between inner and outer supports, a female thread is formed in the bottom hole of the end of the drive shaft, and a bolt is fastened to the female thread. A blade in a concrete cutter, wherein the blade is clamped and fixed between the inner and outer supports by the bolt, and the distance between the end of the drive shaft and the inner side of the outer wall of the protective cover covering the upper part of the blade is larger than the thickness of the blade. Fixation device. 2. A claim in which the drive shaft insertion hole of the outer support has an outer diameter corresponding to a small-diameter drive shaft, and a convex portion concentric with the drive shaft insertion hole is formed on the periphery of the drive shaft insertion hole on one side of the outer support. A blade fixing device for the concrete cutter according to item 1. 3. The blade fixing device for a concrete cutter according to claim 1 or 2, wherein the blade having a small-diameter drive shaft insertion hole is attached so that the convex portion of the outer support body is on the same side as the blade contact side. 4.Claim 1: When installing a blade having a large-diameter drive shaft insertion hole, the outer support is reversed from when the small-diameter blade is installed, and the outer peripheral surface of the convex portion of the outer support is inserted into the drive shaft insertion hole of the blade. Or the blade fixing device in the concrete cutter according to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8956090U JPH0450418U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8956090U JPH0450418U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0450418U true JPH0450418U (en) | 1992-04-28 |
Family
ID=31823630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8956090U Pending JPH0450418U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0450418U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633681U (en) * | 1979-08-24 | 1981-04-02 |
-
1990
- 1990-08-29 JP JP8956090U patent/JPH0450418U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633681U (en) * | 1979-08-24 | 1981-04-02 |