Keyboard instrument
A keyboard instrument including a hammer unit which includes a plurality of hammer members each of which has an effort point provided on one end side, a load point provided on an other end side, and a fulcrum provided between the effort point and the load point, and a hammer holder which rotatably h...
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| creator | Taniguchi, Hirokazu Akaishi, Akihito |
| description | A keyboard instrument including a hammer unit which includes a plurality of hammer members each of which has an effort point provided on one end side, a load point provided on an other end side, and a fulcrum provided between the effort point and the load point, and a hammer holder which rotatably holds the plurality of hammer members, and a keyboard chassis which includes a restriction member for restricting rotations of the plurality of hammer members performed in response to key depression operations within a restriction range and in which the hammer unit is mounted, in which the hammer holder has a plurality of contact points on the effort point side which comes in contact with portions of the plurality of hammer members on the effort point side when the hammer unit is in a vertically inverted state. |
| format | Patent |
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MUSICAL INSTRUMENTS ; PHYSICS ; PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICALINSTRUMENTS WITH ONE OR MORE KEYBOARD</subject><creationdate>2020</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=20200303&DB=EPODOC&CC=US&NR=10580390B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200303&DB=EPODOC&CC=US&NR=10580390B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Taniguchi, Hirokazu</creatorcontrib><creatorcontrib>Akaishi, Akihito</creatorcontrib><title>Keyboard instrument</title><description>A keyboard instrument including a hammer unit which includes a plurality of hammer members each of which has an effort point provided on one end side, a load point provided on an other end side, and a fulcrum provided between the effort point and the load point, and a hammer holder which rotatably holds the plurality of hammer members, and a keyboard chassis which includes a restriction member for restricting rotations of the plurality of hammer members performed in response to key depression operations within a restriction range and in which the hammer unit is mounted, in which the hammer holder has a plurality of contact points on the effort point side which comes in contact with portions of the plurality of hammer members on the effort point side when the hammer unit is in a vertically inverted state.</description><subject>ACOUSTICS</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PHYSICS</subject><subject>PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICALINSTRUMENTS WITH ONE OR MORE KEYBOARD</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD2Tq1Myk8sSlHIzCsuKSrNTc0r4WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8aHBhgamFgbGlgZORsbEqAEAQXogzA</recordid><startdate>20200303</startdate><enddate>20200303</enddate><creator>Taniguchi, Hirokazu</creator><creator>Akaishi, Akihito</creator><scope>EVB</scope></search><sort><creationdate>20200303</creationdate><title>Keyboard instrument</title><author>Taniguchi, Hirokazu ; Akaishi, Akihito</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10580390B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>ACOUSTICS</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PHYSICS</topic><topic>PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICALINSTRUMENTS WITH ONE OR MORE KEYBOARD</topic><toplevel>online_resources</toplevel><creatorcontrib>Taniguchi, Hirokazu</creatorcontrib><creatorcontrib>Akaishi, Akihito</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Taniguchi, Hirokazu</au><au>Akaishi, Akihito</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Keyboard instrument</title><date>2020-03-03</date><risdate>2020</risdate><abstract>A keyboard instrument including a hammer unit which includes a plurality of hammer members each of which has an effort point provided on one end side, a load point provided on an other end side, and a fulcrum provided between the effort point and the load point, and a hammer holder which rotatably holds the plurality of hammer members, and a keyboard chassis which includes a restriction member for restricting rotations of the plurality of hammer members performed in response to key depression operations within a restriction range and in which the hammer unit is mounted, in which the hammer holder has a plurality of contact points on the effort point side which comes in contact with portions of the plurality of hammer members on the effort point side when the hammer unit is in a vertically inverted state.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ACOUSTICS MUSICAL INSTRUMENTS PHYSICS PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICALINSTRUMENTS WITH ONE OR MORE KEYBOARD |
| title | Keyboard instrument |
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