JP2004330656A5 - - Google Patents

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Publication number
JP2004330656A5
JP2004330656A5 JP2003130820A JP2003130820A JP2004330656A5 JP 2004330656 A5 JP2004330656 A5 JP 2004330656A5 JP 2003130820 A JP2003130820 A JP 2003130820A JP 2003130820 A JP2003130820 A JP 2003130820A JP 2004330656 A5 JP2004330656 A5 JP 2004330656A5
Authority
JP
Japan
Prior art keywords
fan
saw blade
cutting machine
portable electric
housing
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
JP2003130820A
Other languages
Japanese (ja)
Other versions
JP2004330656A (en
JP3765420B2 (en
Filing date
Publication date
Priority claimed from JP2003130820A external-priority patent/JP3765420B2/en
Priority to JP2003130820A priority Critical patent/JP3765420B2/en
Application filed filed Critical
Priority to US10/688,909 priority patent/US7103979B2/en
Priority to TW092129248A priority patent/TWI256334B/en
Priority to DE10349088A priority patent/DE10349088A1/en
Publication of JP2004330656A publication Critical patent/JP2004330656A/en
Priority to US11/196,249 priority patent/US7219435B2/en
Publication of JP2004330656A5 publication Critical patent/JP2004330656A5/ja
Publication of JP3765420B2 publication Critical patent/JP3765420B2/en
Application granted granted Critical
Priority to US11/802,126 priority patent/US7516553B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (4)

モータを収納するハウジングと、前記モータにより回転駆動される鋸刃と、前記ハウジングに取付けられ、前記鋸刃外周のほぼ上側半分を覆う形状をし、前記鋸刃の一部を収納する鋸刃収納部を有したソーカバーと、前記ハウジングと連結され、被切断材上を摺動可能な底面を持ち、前記鋸刃を前記底面より下方に突出可能な開口部を有するベースと、前記モータにより回転駆動され、回転時に発生するファン風によって前記モータの冷却を行う遠心ファンとを有し、該遠心ファンと前記鋸刃収納部との間の前記ソーカバーの壁面にファン風を前記鋸刃収納部へと排出するファン風排出口を設け、該ファン風排出口の間に位置し該ファン風排出口を区画形成する複数の隔壁を設けた携帯用電気切断機であって、
ほぼすべての前記隔壁の前記ファンの回転方向手前側の壁面を、前記隔壁に当たったファン風が内側に導かれるよう、前記ファンの回転中心軸を中心とした放射方向に対して傾斜させ、その傾斜方向を半径方向外側に向かうに従って前記ファンの反回転方向に向かう方向としたことを特徴とする携帯用電気切断機。A housing that houses a motor, a saw blade that is rotationally driven by the motor, and a saw blade housing that is attached to the housing and covers a substantially upper half of the outer periphery of the saw blade and houses a part of the saw blade A saw cover having a portion, a base connected to the housing, having a bottom surface capable of sliding on the material to be cut, and having an opening capable of projecting the saw blade downward from the bottom surface, and rotationally driven by the motor It is, and a centrifugal fan for cooling of the motor by the fan air generated during rotation, and the fan air to the wall of the saw cover between said centrifugal fan and said saw blade housing part to the saw blade accommodating portion A portable electric cutting machine provided with a fan air discharge port for discharging, and provided with a plurality of partitions positioned between the fan air discharge ports and defining the fan air discharge port,
Inclining the wall surface on the near side of the rotation direction of the fan of almost all the partition walls with respect to the radial direction about the rotation center axis of the fan so that the fan wind hitting the partition wall is guided to the inside, A portable electric cutting machine characterized in that the inclination direction is a direction toward the counter-rotating direction of the fan as it goes outward in the radial direction. 前記隔壁をほぼ一定間隔で形成したことを特徴とする請求項１記載の携帯用電気切断機。2. The portable electric cutting machine according to claim 1, wherein the partition walls are formed at substantially constant intervals. 前記隔壁の傾斜角度をほぼ同様の角度としたことを特徴とする請求項１あるいは請求項２記載の携帯用電気切断機。The portable electric cutting machine according to claim 1 or 2, wherein the inclination angle of the partition wall is substantially the same angle. 前記隔壁の前記ファンの回転方向奥側の壁面を、前記ファンの回転方向手前側の壁面とほぼ平行に延びる形状としたことを特徴とする請求項１〜請求項３のいずれか１項記載の携帯用電気切断機。  4. The wall according to claim 1, wherein a wall surface of the partition wall on the back side in the rotation direction of the fan extends substantially parallel to a wall surface on the near side in the rotation direction of the fan. Portable electric cutting machine.
JP2003130820A 2001-04-20 2003-05-08 Portable electric cutting machine Expired - Lifetime JP3765420B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2003130820A JP3765420B2 (en) 2003-05-08 2003-05-08 Portable electric cutting machine
US10/688,909 US7103979B2 (en) 2001-04-20 2003-10-21 Portable electric cutting device with blower mechanism
TW092129248A TWI256334B (en) 2002-10-22 2003-10-22 Portable electric cutting device with blower mechanism
DE10349088A DE10349088A1 (en) 2002-10-22 2003-10-22 Portable electric cutting device for cutting e.g. timber includes groove provided to bottom surface of base and which extends forward in the cutting direction from a front end of the opening to base front end
US11/196,249 US7219435B2 (en) 2002-10-22 2005-08-04 Portable electric cutting device with blower mechanism
US11/802,126 US7516553B2 (en) 2002-10-22 2007-05-21 Portable electric cutting device with blower mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003130820A JP3765420B2 (en) 2003-05-08 2003-05-08 Portable electric cutting machine

Publications (3)

Publication Number Publication Date
JP2004330656A JP2004330656A (en) 2004-11-25
JP2004330656A5 true JP2004330656A5 (en) 2005-10-20
JP3765420B2 JP3765420B2 (en) 2006-04-12

Family

ID=33506208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003130820A Expired - Lifetime JP3765420B2 (en) 2001-04-20 2003-05-08 Portable electric cutting machine

Country Status (1)

Country Link
JP (1) JP3765420B2 (en)

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