JPH01105723U - - Google Patents

Info

Publication number
JPH01105723U
JPH01105723U JP20100587U JP20100587U JPH01105723U JP H01105723 U JPH01105723 U JP H01105723U JP 20100587 U JP20100587 U JP 20100587U JP 20100587 U JP20100587 U JP 20100587U JP H01105723 U JPH01105723 U JP H01105723U
Authority
JP
Japan
Prior art keywords
soundproof
working machine
engine working
memory alloy
view
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
Application number
JP20100587U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP20100587U priority Critical patent/JPH01105723U/ja
Publication of JPH01105723U publication Critical patent/JPH01105723U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す防音型エンジ
ン作業機の側面図、第２図は本考案の一実施例を
示す防音型エンジン作業機の平面図、第３図は、
記憶合金ばねを用いた蓋の斜視図、第４図は、記
憶合金部分のみを示す正面図、第５図は、記憶合
金ばねの作動状態を示す部分拡大図、第６図は、
記憶合金ばねの伸縮力を利用した場合の縦断面図
である。 １…蓋、２…マフラ、３…防音箱、１１…記憶
合金ばね。

Claims (1)

    【実用新案登録請求の範囲】
  1. 防音型エンジン作業機のマフラ上部の防音箱天
    井を開口し、該開口に記憶合金によつて開く蓋を
    設けたことを特徴とする防音型エンジン作業機の
    換気装置。
JP20100587U 1987-12-29 1987-12-29 Pending JPH01105723U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20100587U JPH01105723U (ja) 1987-12-29 1987-12-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20100587U JPH01105723U (ja) 1987-12-29 1987-12-29

Publications (1)

Publication Number Publication Date
JPH01105723U true JPH01105723U (ja) 1989-07-17

Family

ID=31491386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20100587U Pending JPH01105723U (ja) 1987-12-29 1987-12-29

Country Status (1)

Country Link
JP (1) JPH01105723U (ja)

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