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公开(公告)号：US10981291B2
公开(公告)日：2021-04-20
申请号：US16522722
申请日：2019-07-26
Applicant: MAKITA CORPORATION
Inventor： Koji Haneda , Hideki Kachi , Yasuyuki Kawabata
Abstract: To provide an easy-to-use electric chainsaw that uses, in place of a large battery pack with a high voltage rating that would have been used in conventional electric chainsaws, a battery power source composed of a set of small commonly used battery packs of the same rating. An electric chainsaw having a built-in electric motor that is powered by a rechargeable battery, wherein a set of commonly used battery packs of the same rating is used as the rechargeable battery. The set of battery packs is mounted at the back of the main housing so that the center of gravity (G) of the chainsaw is positioned within a range (R) of 1.5 time the width (W) of the grip section of a rear handle between the left and right sides of a center line that is centered in the horizontal direction.
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公开(公告)号：US10406713B2
公开(公告)日：2019-09-10
申请号：US15328364
申请日：2015-07-08
Applicant: MAKITA CORPORATION
Inventor： Koji Haneda , Hideki Kachi , Yasuyuki Kawabata
Abstract: To provide an easy-to-use electric chainsaw that uses, in place of a large battery pack with a high voltage rating that would have been used in conventional electric chainsaws, a battery power source composed of a set of small commonly used battery packs of the same rating. An electric chainsaw having a built-in electric motor that is powered by a rechargeable battery, wherein a set of commonly used battery packs of the same rating is used as the rechargeable battery. The set of battery packs is mounted at the back of the main housing so that the center of gravity (G) of the chainsaw is positioned within a range (R) of 1.5 time the width (W) of the grip section of a rear handle between the left and right sides of a center line that is centered in the horizontal direction.
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公开(公告)号：US10328600B2
公开(公告)日：2019-06-25
申请号：US15513656
申请日：2015-10-01
Applicant: MAKITA CORPORATION
Inventor： Hideki Kachi , Yasuyuki Kawabata , Koji Haneda
Abstract: An electric chainsaw includes a first handle having a grip portion that is provided with a trigger switch for activating an electric motor. The electric chainsaw includes a second handle having a laterally extending grip portion provided forward of the grip portion of the first handle. The electric chainsaw includes an indicator lamp for indicating a remaining charge amount of a battery pack, and a push-button type indicator switch for causing the indicator lamp to indicate the remaining charge amount. The indicator switch is provided at a position where the worker can operate the indicator switch by a finger of the other hand gripping the grip portion of the second handle.
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