JPH03100087U - - Google Patents
Info
- Publication number
- JPH03100087U JPH03100087U JP11991589U JP11991589U JPH03100087U JP H03100087 U JPH03100087 U JP H03100087U JP 11991589 U JP11991589 U JP 11991589U JP 11991589 U JP11991589 U JP 11991589U JP H03100087 U JPH03100087 U JP H03100087U
- Authority
- JP
- Japan
- Prior art keywords
- tool
- striking
- cylinder case
- impact
- tip
- 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
- 230000001629 suppression Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Description
第１図は本考案になる打撃工具の騒音抑制構造
の一実施例を示す外観図、第２図はゴムカバーの
外側平面図、第３図は第２図の側面図である。
図において、１……シリンダケース、２……弾
性部材（ゴムカバー）、３……先端工具である。
FIG. 1 is an external view showing one embodiment of the noise suppression structure for a striking tool according to the present invention, FIG. 2 is an outside plan view of a rubber cover, and FIG. 3 is a side view of FIG. 2. In the figure, 1... cylinder case, 2... elastic member (rubber cover), 3... tip tool.
補正 平３．４．１１
図面の簡単な説明を次のように補正する。
明細書６頁１５行の末尾に次の文句を追加する
。「第４図は一般的なハンマドリルの騒音スペク
トラムを示すグラフ、第５図は同クランクケース
の振動分析図、第６図は同クランクケースの振動
モード測定個所を示す平面図である。第７図は本
考案による騒音量を示すグラフ、第８図は本考案
によるシリンダケースと従来例によるシリンダケ
ースとの騒音スペクトラムを示すグラフ、第９図
は本考案におけるストローク数と騒音レベルの関
係を示すグラフである。」Amendment 3.4.11 The brief description of the drawing is amended as follows. Add the following phrase to the end of page 6, line 15 of the specification. ``Figure 4 is a graph showing the noise spectrum of a general hammer drill, Figure 5 is a vibration analysis diagram of the same crankcase, and Figure 6 is a plan view showing the vibration mode measurement points of the same crankcase.Figure 7 is a graph showing the amount of noise according to the present invention, FIG. 8 is a graph showing the noise spectrum of the cylinder case according to the present invention and the cylinder case according to the conventional example, and FIG. 9 is a graph showing the relationship between the number of strokes and the noise level according to the present invention. It is.”
Claims (1)
圧によつて駆動される打撃子を備え、先端工具に
打撃動作を与える打撃工具において、前記シリン
ダケースの反先端工具側で、前記シリンダケース
外周に、打撃工具本体より生じる騒音を抑制する
ための弾性体を、打撃工具本体軸方向に配設した
打撃工具の騒音抑制構造。 In a striking tool that is provided with a striking element driven by the reciprocating motion of a piston and air pressure in a cylinder case and provides a striking action to a tip tool, a striking tool is provided on the outer periphery of the cylinder case on the opposite side of the cylinder case to the tip tool. A noise suppression structure for impact tools in which an elastic body is arranged in the axial direction of the impact tool body to suppress noise generated from the tool body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11991589U JPH03100087U (en) | 1989-10-14 | 1989-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11991589U JPH03100087U (en) | 1989-10-14 | 1989-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03100087U true JPH03100087U (en) | 1991-10-18 |
Family
ID=31668010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11991589U Pending JPH03100087U (en) | 1989-10-14 | 1989-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03100087U (en) |
-
1989
- 1989-10-14 JP JP11991589U patent/JPH03100087U/ja active Pending
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