ROTARY UNIT
PROBLEM TO BE SOLVED: To provide a rotary unit having improved durability. SOLUTION: The rotary unit comprises a supporting member rotatably arranged and having a fitted-in portion, a shaft member having fitting-in portions at both ends and a body between the fitting-in portions and fitted at the fi...
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| creator | ABE TADATO HATANO TATSU OOKUBO HIROTOSHI |
| description | PROBLEM TO BE SOLVED: To provide a rotary unit having improved durability. SOLUTION: The rotary unit comprises a supporting member rotatably arranged and having a fitted-in portion, a shaft member having fitting-in portions at both ends and a body between the fitting-in portions and fitted at the fitting-in portions in the fitted-in portion, and a rotor arranged rotatably with the shaft member. The hardness of the body of the shaft member is higher than the hardness of each fitting-in portion and a hardness difference between the body and each fitting-in portion is greater than a hardness difference between each fitting-in portion and the fitted-in portion. In this case, the hardness difference between the fitting-in portion and the fitted-in portion is smaller, thus preventing the wear of the supporting member on the inner peripheral face of the fitted-in portion. As a result, the rotary unit has improved durability. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: The rotary unit comprises a supporting member rotatably arranged and having a fitted-in portion, a shaft member having fitting-in portions at both ends and a body between the fitting-in portions and fitted at the fitting-in portions in the fitted-in portion, and a rotor arranged rotatably with the shaft member. The hardness of the body of the shaft member is higher than the hardness of each fitting-in portion and a hardness difference between the body and each fitting-in portion is greater than a hardness difference between each fitting-in portion and the fitted-in portion. In this case, the hardness difference between the fitting-in portion and the fitted-in portion is smaller, thus preventing the wear of the supporting member on the inner peripheral face of the fitted-in portion. As a result, the rotary unit has improved durability. 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SOLUTION: The rotary unit comprises a supporting member rotatably arranged and having a fitted-in portion, a shaft member having fitting-in portions at both ends and a body between the fitting-in portions and fitted at the fitting-in portions in the fitted-in portion, and a rotor arranged rotatably with the shaft member. The hardness of the body of the shaft member is higher than the hardness of each fitting-in portion and a hardness difference between the body and each fitting-in portion is greater than a hardness difference between each fitting-in portion and the fitted-in portion. In this case, the hardness difference between the fitting-in portion and the fitted-in portion is smaller, thus preventing the wear of the supporting member on the inner peripheral face of the fitted-in portion. As a result, the rotary unit has improved durability. COPYRIGHT: (C)2008,JPO&INPIT</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GEARING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAO8g9xDIpUCPXzDOFhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGBuZG5oYGRsaOxkQpAgCzsxyX</recordid><startdate>20071018</startdate><enddate>20071018</enddate><creator>ABE TADATO</creator><creator>HATANO TATSU</creator><creator>OOKUBO HIROTOSHI</creator><scope>EVB</scope></search><sort><creationdate>20071018</creationdate><title>ROTARY UNIT</title><author>ABE TADATO ; HATANO TATSU ; OOKUBO HIROTOSHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2007271023A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2007</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GEARING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ABE TADATO</creatorcontrib><creatorcontrib>HATANO TATSU</creatorcontrib><creatorcontrib>OOKUBO HIROTOSHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ABE TADATO</au><au>HATANO TATSU</au><au>OOKUBO HIROTOSHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ROTARY UNIT</title><date>2007-10-18</date><risdate>2007</risdate><abstract>PROBLEM TO BE SOLVED: To provide a rotary unit having improved durability. SOLUTION: The rotary unit comprises a supporting member rotatably arranged and having a fitted-in portion, a shaft member having fitting-in portions at both ends and a body between the fitting-in portions and fitted at the fitting-in portions in the fitted-in portion, and a rotor arranged rotatably with the shaft member. The hardness of the body of the shaft member is higher than the hardness of each fitting-in portion and a hardness difference between the body and each fitting-in portion is greater than a hardness difference between each fitting-in portion and the fitted-in portion. In this case, the hardness difference between the fitting-in portion and the fitted-in portion is smaller, thus preventing the wear of the supporting member on the inner peripheral face of the fitted-in portion. As a result, the rotary unit has improved durability. COPYRIGHT: (C)2008,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2007271023A |
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| subjects | BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS |
| title | ROTARY UNIT |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-04T13%3A19%3A54IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=ABE%20TADATO&rft.date=2007-10-18&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJP2007271023A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |