ELECTRIC TOOL
To provide an electric tool equipped with a speed reducer that can change a speed reduction ratio, which is improved.SOLUTION: An electric tool is equipped with a motor, a speed reducer and a speed reduction ratio changing mechanism. The speed reducer includes a plurality of stages of planetary gear...
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| creator | IKUTA HIRONORI NAOI YOSUKE |
| description | To provide an electric tool equipped with a speed reducer that can change a speed reduction ratio, which is improved.SOLUTION: An electric tool is equipped with a motor, a speed reducer and a speed reduction ratio changing mechanism. The speed reducer includes a plurality of stages of planetary gear mechanisms. The speed reduction ratio changing mechanisms change a speed reduction ratio of the speed reducer in response to change in a rotating direction of a motor shaft. At least two stages of the plurality of stages of planetary gear mechanisms are configured so that respective internal gears thereof selectively function as fixed elements. The speed reduction ratio changing mechanism comprises a one-way clutch and a lock mechanism. The lock mechanism locks the internal gears of the at least two stages unrotatably, when the one-way clutch does not transmit rotation; and rotates the internal gears of the at least two stages, when the one-way clutch transmits rotation. The at least two stages of planetary gear mechanisms include a speed-increase planetary gear mechanism and a speed-decrease planetary gear mechanism.SELECTED DRAWING: Figure 3
【課題】減速比を変更可能な減速機を備えた電動工具に関する改良を提供する。【解決手段】電動工具は、モータと、減速機と、減速比変更機構とを備える。減速機は、複数段の遊星ギヤ機構を含む。減速比変更機構は、モータシャフトの回転方向の変更に応じて、減速機の減速比を変更する。複数段の遊星ギヤ機構のうち少なくとも２段は、夫々のインターナルギヤが固定要素として選択的に機能するように構成されている。減速比変更機構は、ワンウィクラッチと、ロック機構とを備える。ロック機構は、ワンウェイクラッチが回転を伝達しない場合には、少なくとも２段のインターナルギヤを回転不能にロックし、且つ、ワンウェイクラッチが回転を伝達する場合には、少なくとも２段のインターナルギヤを回転させる。少なくとも２段の遊星ギヤ機構は、増速遊星ギヤ機構と、減速遊星ギヤ機構とを含む。【選択図】 図３ |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_JP2023016591A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>JP2023016591A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_JP2023016591A3</originalsourceid><addsrcrecordid>eNrjZOB19XF1DgnydFYI8ff34WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgZGxgaGZqaWho7GRCkCAN_OHQs</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>ELECTRIC TOOL</title><source>esp@cenet</source><creator>IKUTA HIRONORI ; NAOI YOSUKE</creator><creatorcontrib>IKUTA HIRONORI ; NAOI YOSUKE</creatorcontrib><description>To provide an electric tool equipped with a speed reducer that can change a speed reduction ratio, which is improved.SOLUTION: An electric tool is equipped with a motor, a speed reducer and a speed reduction ratio changing mechanism. The speed reducer includes a plurality of stages of planetary gear mechanisms. The speed reduction ratio changing mechanisms change a speed reduction ratio of the speed reducer in response to change in a rotating direction of a motor shaft. At least two stages of the plurality of stages of planetary gear mechanisms are configured so that respective internal gears thereof selectively function as fixed elements. The speed reduction ratio changing mechanism comprises a one-way clutch and a lock mechanism. The lock mechanism locks the internal gears of the at least two stages unrotatably, when the one-way clutch does not transmit rotation; and rotates the internal gears of the at least two stages, when the one-way clutch transmits rotation. The at least two stages of planetary gear mechanisms include a speed-increase planetary gear mechanism and a speed-decrease planetary gear mechanism.SELECTED DRAWING: Figure 3
【課題】減速比を変更可能な減速機を備えた電動工具に関する改良を提供する。【解決手段】電動工具は、モータと、減速機と、減速比変更機構とを備える。減速機は、複数段の遊星ギヤ機構を含む。減速比変更機構は、モータシャフトの回転方向の変更に応じて、減速機の減速比を変更する。複数段の遊星ギヤ機構のうち少なくとも２段は、夫々のインターナルギヤが固定要素として選択的に機能するように構成されている。減速比変更機構は、ワンウィクラッチと、ロック機構とを備える。ロック機構は、ワンウェイクラッチが回転を伝達しない場合には、少なくとも２段のインターナルギヤを回転不能にロックし、且つ、ワンウェイクラッチが回転を伝達する場合には、少なくとも２段のインターナルギヤを回転させる。少なくとも２段の遊星ギヤ機構は、増速遊星ギヤ機構と、減速遊星ギヤ機構とを含む。【選択図】 図３</description><language>eng ; jpn</language><subject>AGRICULTURE ; ANIMAL HUSBANDRY ; COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR ; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED ; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR ; FISHING ; FORESTRY ; HAND TOOLS ; HORTICULTURE ; HUMAN NECESSITIES ; HUNTING ; MANIPULATORS ; PERFORMING OPERATIONS ; PORTABLE POWER-DRIVEN TOOLS ; TRANSPORTING ; TRAPPING ; WATERING</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230202&DB=EPODOC&CC=JP&NR=2023016591A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230202&DB=EPODOC&CC=JP&NR=2023016591A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IKUTA HIRONORI</creatorcontrib><creatorcontrib>NAOI YOSUKE</creatorcontrib><title>ELECTRIC TOOL</title><description>To provide an electric tool equipped with a speed reducer that can change a speed reduction ratio, which is improved.SOLUTION: An electric tool is equipped with a motor, a speed reducer and a speed reduction ratio changing mechanism. The speed reducer includes a plurality of stages of planetary gear mechanisms. The speed reduction ratio changing mechanisms change a speed reduction ratio of the speed reducer in response to change in a rotating direction of a motor shaft. At least two stages of the plurality of stages of planetary gear mechanisms are configured so that respective internal gears thereof selectively function as fixed elements. The speed reduction ratio changing mechanism comprises a one-way clutch and a lock mechanism. The lock mechanism locks the internal gears of the at least two stages unrotatably, when the one-way clutch does not transmit rotation; and rotates the internal gears of the at least two stages, when the one-way clutch transmits rotation. The at least two stages of planetary gear mechanisms include a speed-increase planetary gear mechanism and a speed-decrease planetary gear mechanism.SELECTED DRAWING: Figure 3
【課題】減速比を変更可能な減速機を備えた電動工具に関する改良を提供する。【解決手段】電動工具は、モータと、減速機と、減速比変更機構とを備える。減速機は、複数段の遊星ギヤ機構を含む。減速比変更機構は、モータシャフトの回転方向の変更に応じて、減速機の減速比を変更する。複数段の遊星ギヤ機構のうち少なくとも２段は、夫々のインターナルギヤが固定要素として選択的に機能するように構成されている。減速比変更機構は、ワンウィクラッチと、ロック機構とを備える。ロック機構は、ワンウェイクラッチが回転を伝達しない場合には、少なくとも２段のインターナルギヤを回転不能にロックし、且つ、ワンウェイクラッチが回転を伝達する場合には、少なくとも２段のインターナルギヤを回転させる。少なくとも２段の遊星ギヤ機構は、増速遊星ギヤ機構と、減速遊星ギヤ機構とを含む。【選択図】 図３</description><subject>AGRICULTURE</subject><subject>ANIMAL HUSBANDRY</subject><subject>COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR</subject><subject>CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED</subject><subject>DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR</subject><subject>FISHING</subject><subject>FORESTRY</subject><subject>HAND TOOLS</subject><subject>HORTICULTURE</subject><subject>HUMAN NECESSITIES</subject><subject>HUNTING</subject><subject>MANIPULATORS</subject><subject>PERFORMING OPERATIONS</subject><subject>PORTABLE POWER-DRIVEN TOOLS</subject><subject>TRANSPORTING</subject><subject>TRAPPING</subject><subject>WATERING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB19XF1DgnydFYI8ff34WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgZGxgaGZqaWho7GRCkCAN_OHQs</recordid><startdate>20230202</startdate><enddate>20230202</enddate><creator>IKUTA HIRONORI</creator><creator>NAOI YOSUKE</creator><scope>EVB</scope></search><sort><creationdate>20230202</creationdate><title>ELECTRIC TOOL</title><author>IKUTA HIRONORI ; NAOI YOSUKE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2023016591A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2023</creationdate><topic>AGRICULTURE</topic><topic>ANIMAL HUSBANDRY</topic><topic>COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR</topic><topic>CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED</topic><topic>DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR</topic><topic>FISHING</topic><topic>FORESTRY</topic><topic>HAND TOOLS</topic><topic>HORTICULTURE</topic><topic>HUMAN NECESSITIES</topic><topic>HUNTING</topic><topic>MANIPULATORS</topic><topic>PERFORMING OPERATIONS</topic><topic>PORTABLE POWER-DRIVEN TOOLS</topic><topic>TRANSPORTING</topic><topic>TRAPPING</topic><topic>WATERING</topic><toplevel>online_resources</toplevel><creatorcontrib>IKUTA HIRONORI</creatorcontrib><creatorcontrib>NAOI YOSUKE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IKUTA HIRONORI</au><au>NAOI YOSUKE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTRIC TOOL</title><date>2023-02-02</date><risdate>2023</risdate><abstract>To provide an electric tool equipped with a speed reducer that can change a speed reduction ratio, which is improved.SOLUTION: An electric tool is equipped with a motor, a speed reducer and a speed reduction ratio changing mechanism. The speed reducer includes a plurality of stages of planetary gear mechanisms. The speed reduction ratio changing mechanisms change a speed reduction ratio of the speed reducer in response to change in a rotating direction of a motor shaft. At least two stages of the plurality of stages of planetary gear mechanisms are configured so that respective internal gears thereof selectively function as fixed elements. The speed reduction ratio changing mechanism comprises a one-way clutch and a lock mechanism. The lock mechanism locks the internal gears of the at least two stages unrotatably, when the one-way clutch does not transmit rotation; and rotates the internal gears of the at least two stages, when the one-way clutch transmits rotation. The at least two stages of planetary gear mechanisms include a speed-increase planetary gear mechanism and a speed-decrease planetary gear mechanism.SELECTED DRAWING: Figure 3
【課題】減速比を変更可能な減速機を備えた電動工具に関する改良を提供する。【解決手段】電動工具は、モータと、減速機と、減速比変更機構とを備える。減速機は、複数段の遊星ギヤ機構を含む。減速比変更機構は、モータシャフトの回転方向の変更に応じて、減速機の減速比を変更する。複数段の遊星ギヤ機構のうち少なくとも２段は、夫々のインターナルギヤが固定要素として選択的に機能するように構成されている。減速比変更機構は、ワンウィクラッチと、ロック機構とを備える。ロック機構は、ワンウェイクラッチが回転を伝達しない場合には、少なくとも２段のインターナルギヤを回転不能にロックし、且つ、ワンウェイクラッチが回転を伝達する場合には、少なくとも２段のインターナルギヤを回転させる。少なくとも２段の遊星ギヤ機構は、増速遊星ギヤ機構と、減速遊星ギヤ機構とを含む。【選択図】 図３</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AGRICULTURE ANIMAL HUSBANDRY COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR FISHING FORESTRY HAND TOOLS HORTICULTURE HUMAN NECESSITIES HUNTING MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING TRAPPING WATERING |
| title | ELECTRIC TOOL |
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