Power tool
An electric tool to restrain stress concentration is provided. The electric tool includes a housing (7, 8), a motor (2), an anvil (5, 105), and an impact mechanism (4). The motor is accommodated in the housing and rotatable. The anvil supported by the housing and rotatable about an axis (A). The imp...
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| creator | Tamura, Kengo Toukairin, Junichi Komuro, Yoshihiro |
| description | An electric tool to restrain stress concentration is provided. The electric tool includes a housing (7, 8), a motor (2), an anvil (5, 105), and an impact mechanism (4). The motor is accommodated in the housing and rotatable. The anvil supported by the housing and rotatable about an axis (A). The impact mechanism is configured to convert a rotational force generated by the motor into a rotational impact force about the axis, and to apply the rotational impact force to the anvil. The anvil includes a base portion (51), an end bit attachment portion (80, 180), and a connecting portion (90, 190). The base portion is rotatably supported by the housing. An end bit is attachable to the end bit attachment portion. The end bit attachment portion has a flat surface portion. The connecting portion integrally connects together the base portion and the end bit attachment portion. The connecting portion has a diameter gradually reduced in a direction from the base portion toward the end bit attachment portion. The connecting portion is formed with a recessed portion (93, 94, 193A, 193B, 194). The connecting portion has an outer peripheral surface portion where the recessed portion is formed. The recessed portion is recessed, in an axial direction from the end bit attachment portion toward the base portion, from a point where the recessed portion is connected to the outer peripheral surface portion in a cross-section taken along a plane parallel to the flat surface portion and passing through the recessed portion. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US11992920B2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US11992920B2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US11992920B23</originalsourceid><addsrcrecordid>eNrjZOAKyC9PLVIoyc_P4WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8aHBhoaWlkaWRgZORsbEqAEAv44dEg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Power tool</title><source>esp@cenet</source><creator>Tamura, Kengo ; Toukairin, Junichi ; Komuro, Yoshihiro</creator><creatorcontrib>Tamura, Kengo ; Toukairin, Junichi ; Komuro, Yoshihiro</creatorcontrib><description>An electric tool to restrain stress concentration is provided. The electric tool includes a housing (7, 8), a motor (2), an anvil (5, 105), and an impact mechanism (4). The motor is accommodated in the housing and rotatable. The anvil supported by the housing and rotatable about an axis (A). The impact mechanism is configured to convert a rotational force generated by the motor into a rotational impact force about the axis, and to apply the rotational impact force to the anvil. The anvil includes a base portion (51), an end bit attachment portion (80, 180), and a connecting portion (90, 190). The base portion is rotatably supported by the housing. An end bit is attachable to the end bit attachment portion. The end bit attachment portion has a flat surface portion. The connecting portion integrally connects together the base portion and the end bit attachment portion. The connecting portion has a diameter gradually reduced in a direction from the base portion toward the end bit attachment portion. The connecting portion is formed with a recessed portion (93, 94, 193A, 193B, 194). The connecting portion has an outer peripheral surface portion where the recessed portion is formed. The recessed portion is recessed, in an axial direction from the end bit attachment portion toward the base portion, from a point where the recessed portion is connected to the outer peripheral surface portion in a cross-section taken along a plane parallel to the flat surface portion and passing through the recessed portion.</description><language>eng</language><subject>HAND TOOLS ; MANIPULATORS ; PERFORMING OPERATIONS ; PORTABLE POWER-DRIVEN TOOLS ; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING ; TRANSPORTING</subject><creationdate>2024</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=20240528&DB=EPODOC&CC=US&NR=11992920B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240528&DB=EPODOC&CC=US&NR=11992920B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Tamura, Kengo</creatorcontrib><creatorcontrib>Toukairin, Junichi</creatorcontrib><creatorcontrib>Komuro, Yoshihiro</creatorcontrib><title>Power tool</title><description>An electric tool to restrain stress concentration is provided. The electric tool includes a housing (7, 8), a motor (2), an anvil (5, 105), and an impact mechanism (4). The motor is accommodated in the housing and rotatable. The anvil supported by the housing and rotatable about an axis (A). The impact mechanism is configured to convert a rotational force generated by the motor into a rotational impact force about the axis, and to apply the rotational impact force to the anvil. The anvil includes a base portion (51), an end bit attachment portion (80, 180), and a connecting portion (90, 190). The base portion is rotatably supported by the housing. An end bit is attachable to the end bit attachment portion. The end bit attachment portion has a flat surface portion. The connecting portion integrally connects together the base portion and the end bit attachment portion. The connecting portion has a diameter gradually reduced in a direction from the base portion toward the end bit attachment portion. The connecting portion is formed with a recessed portion (93, 94, 193A, 193B, 194). The connecting portion has an outer peripheral surface portion where the recessed portion is formed. The recessed portion is recessed, in an axial direction from the end bit attachment portion toward the base portion, from a point where the recessed portion is connected to the outer peripheral surface portion in a cross-section taken along a plane parallel to the flat surface portion and passing through the recessed portion.</description><subject>HAND TOOLS</subject><subject>MANIPULATORS</subject><subject>PERFORMING OPERATIONS</subject><subject>PORTABLE POWER-DRIVEN TOOLS</subject><subject>TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAKyC9PLVIoyc_P4WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8aHBhoaWlkaWRgZORsbEqAEAv44dEg</recordid><startdate>20240528</startdate><enddate>20240528</enddate><creator>Tamura, Kengo</creator><creator>Toukairin, Junichi</creator><creator>Komuro, Yoshihiro</creator><scope>EVB</scope></search><sort><creationdate>20240528</creationdate><title>Power tool</title><author>Tamura, Kengo ; Toukairin, Junichi ; Komuro, Yoshihiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11992920B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2024</creationdate><topic>HAND TOOLS</topic><topic>MANIPULATORS</topic><topic>PERFORMING OPERATIONS</topic><topic>PORTABLE POWER-DRIVEN TOOLS</topic><topic>TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>Tamura, Kengo</creatorcontrib><creatorcontrib>Toukairin, Junichi</creatorcontrib><creatorcontrib>Komuro, Yoshihiro</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Tamura, Kengo</au><au>Toukairin, Junichi</au><au>Komuro, Yoshihiro</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Power tool</title><date>2024-05-28</date><risdate>2024</risdate><abstract>An electric tool to restrain stress concentration is provided. The electric tool includes a housing (7, 8), a motor (2), an anvil (5, 105), and an impact mechanism (4). The motor is accommodated in the housing and rotatable. The anvil supported by the housing and rotatable about an axis (A). The impact mechanism is configured to convert a rotational force generated by the motor into a rotational impact force about the axis, and to apply the rotational impact force to the anvil. The anvil includes a base portion (51), an end bit attachment portion (80, 180), and a connecting portion (90, 190). The base portion is rotatably supported by the housing. An end bit is attachable to the end bit attachment portion. The end bit attachment portion has a flat surface portion. The connecting portion integrally connects together the base portion and the end bit attachment portion. The connecting portion has a diameter gradually reduced in a direction from the base portion toward the end bit attachment portion. The connecting portion is formed with a recessed portion (93, 94, 193A, 193B, 194). The connecting portion has an outer peripheral surface portion where the recessed portion is formed. The recessed portion is recessed, in an axial direction from the end bit attachment portion toward the base portion, from a point where the recessed portion is connected to the outer peripheral surface portion in a cross-section taken along a plane parallel to the flat surface portion and passing through the recessed portion.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US11992920B2 |
| source | esp@cenet |
| subjects | HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING |
| title | Power tool |
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