JPS627381U - - Google Patents

Info

Publication number
JPS627381U
JPS627381U JP2486986U JP2486986U JPS627381U JP S627381 U JPS627381 U JP S627381U JP 2486986 U JP2486986 U JP 2486986U JP 2486986 U JP2486986 U JP 2486986U JP S627381 U JPS627381 U JP S627381U
Authority
JP
Japan
Prior art keywords
electric motor
casing
blades
tool body
discharge
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.)
Granted
Application number
JP2486986U
Other languages
English (en)
Other versions
JPH0231897Y2 (ja
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 JP1986024869U priority Critical patent/JPH0231897Y2/ja
Publication of JPS627381U publication Critical patent/JPS627381U/ja
Application granted granted Critical
Publication of JPH0231897Y2 publication Critical patent/JPH0231897Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
  • Motor Or Generator Cooling System (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す一部欠截側面図
、第2図は本考案で用いられる冷却フアンの斜視
図、第3図は本考案における冷却空気の流れを示
す一部欠截断面図、第4図は従来の冷却空気の流
れを示す一部欠截断面図である。 A……工具本体、1……工具保持部、2……ヘ
ツド部、3……電動機、4……ケーシング部、5
……把持部、7……主軸、8……吸込み孔、9…
…排出孔、10……ボス、11……羽根、12…
…冷却フアン、13……補強リング。

Claims (1)

    【実用新案登録請求の範囲】
  1. 工具保持部1を有するヘツド部2と、電動機3
    を内備したケーシング部4と、把持部5とにより
    工具本体Aを構成してなり、工具本体Aには電動
    機3より把持部5側に冷却空気の吸込み孔8が、
    電動機3よりヘツド部2側に排糸出孔9がそれぞ
    れ形成され、またケーシング部4内における電動
    機3の主軸7の排出孔近傍の個所に、ボス10よ
    り放射方向に複数の羽根11が突設された冷却フ
    アン12が設けられ、前記羽根11の先端部に、
    該先端部同士をその吐出側の側端から所定幅を除
    いて連ねる補強リング13が設けられてなること
    を特徴とする電動工具。
JP1986024869U 1986-02-22 1986-02-22 Expired JPH0231897Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986024869U JPH0231897Y2 (ja) 1986-02-22 1986-02-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986024869U JPH0231897Y2 (ja) 1986-02-22 1986-02-22

Publications (2)

Publication Number Publication Date
JPS627381U true JPS627381U (ja) 1987-01-17
JPH0231897Y2 JPH0231897Y2 (ja) 1990-08-29

Family

ID=30824487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986024869U Expired JPH0231897Y2 (ja) 1986-02-22 1986-02-22

Country Status (1)

Country Link
JP (1) JPH0231897Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012035339A (ja) * 2010-08-03 2012-02-23 Hitachi Koki Co Ltd 電動工具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5378401U (ja) * 1976-11-30 1978-06-29
JPS53152105U (ja) * 1978-03-30 1978-11-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5378401U (ja) * 1976-11-30 1978-06-29
JPS53152105U (ja) * 1978-03-30 1978-11-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012035339A (ja) * 2010-08-03 2012-02-23 Hitachi Koki Co Ltd 電動工具

Also Published As

Publication number Publication date
JPH0231897Y2 (ja) 1990-08-29

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