SLIDING SPLINE SHAFT DEVICE
A sliding spline shaft device of the present invention includes a male spline and a female spline that is fitted to the male spline in an axially slidable manner, and at least one of the splines has a surface processed layer. The surface processed layer includes an undercoat layer, an intermediate l...
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| creator | IWASA, Aiki NAKAJIMA, Makoto KASHIWABARA, Shigetoshi KATSUMADA, Yasuyuki KATADA, Kunio ITO, Masato SUZUKI, Shinichi KODAMA, Tokunori HIRAIWA, Shunsuke NISHIJIMA, Takeo KAWAGUCHI, Akihumi |
| description | A sliding spline shaft device of the present invention includes a male spline and a female spline that is fitted to the male spline in an axially slidable manner, and at least one of the splines has a surface processed layer. The surface processed layer includes an undercoat layer, an intermediate layer containing phosphate, and a topcoat layer containing solid lubricant, in this order. The undercoat layer contains iron nitride and/or iron carbide. Thus, the surface of a base material has high hardness. As a result, microscopic deformation of the sliding surface is reduced, and increase in a real contact area is suppressed, whereby stick-slip is prevented. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP3798459B1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP3798459B1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP3798459B13</originalsourceid><addsrcrecordid>eNrjZJAO9vF08fRzVwgO8PH0c1UI9nB0C1FwcQ3zdHblYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgHG5pYWJqaWTobGRCgBAAqnICE</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>SLIDING SPLINE SHAFT DEVICE</title><source>esp@cenet</source><creator>IWASA, Aiki ; NAKAJIMA, Makoto ; KASHIWABARA, Shigetoshi ; KATSUMADA, Yasuyuki ; KATADA, Kunio ; ITO, Masato ; SUZUKI, Shinichi ; KODAMA, Tokunori ; HIRAIWA, Shunsuke ; NISHIJIMA, Takeo ; KAWAGUCHI, Akihumi</creator><creatorcontrib>IWASA, Aiki ; NAKAJIMA, Makoto ; KASHIWABARA, Shigetoshi ; KATSUMADA, Yasuyuki ; KATADA, Kunio ; ITO, Masato ; SUZUKI, Shinichi ; KODAMA, Tokunori ; HIRAIWA, Shunsuke ; NISHIJIMA, Takeo ; KAWAGUCHI, Akihumi</creatorcontrib><description>A sliding spline shaft device of the present invention includes a male spline and a female spline that is fitted to the male spline in an axially slidable manner, and at least one of the splines has a surface processed layer. The surface processed layer includes an undercoat layer, an intermediate layer containing phosphate, and a topcoat layer containing solid lubricant, in this order. The undercoat layer contains iron nitride and/or iron carbide. Thus, the surface of a base material has high hardness. As a result, microscopic deformation of the sliding surface is reduced, and increase in a real contact area is suppressed, whereby stick-slip is prevented.</description><language>eng ; fre ; ger</language><subject>BLASTING ; BRAKES ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; CLUTCHES ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; COUPLINGS FOR TRANSMITTING ROTATION ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; ENGINEERING ELEMENTS AND UNITS ; FUELS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; LIGHTING ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; MECHANICAL ENGINEERING ; METALLURGY ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THERMAL INSULATION IN GENERAL ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION ; WEAPONS</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=20231227&DB=EPODOC&CC=EP&NR=3798459B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231227&DB=EPODOC&CC=EP&NR=3798459B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IWASA, Aiki</creatorcontrib><creatorcontrib>NAKAJIMA, Makoto</creatorcontrib><creatorcontrib>KASHIWABARA, Shigetoshi</creatorcontrib><creatorcontrib>KATSUMADA, Yasuyuki</creatorcontrib><creatorcontrib>KATADA, Kunio</creatorcontrib><creatorcontrib>ITO, Masato</creatorcontrib><creatorcontrib>SUZUKI, Shinichi</creatorcontrib><creatorcontrib>KODAMA, Tokunori</creatorcontrib><creatorcontrib>HIRAIWA, Shunsuke</creatorcontrib><creatorcontrib>NISHIJIMA, Takeo</creatorcontrib><creatorcontrib>KAWAGUCHI, Akihumi</creatorcontrib><title>SLIDING SPLINE SHAFT DEVICE</title><description>A sliding spline shaft device of the present invention includes a male spline and a female spline that is fitted to the male spline in an axially slidable manner, and at least one of the splines has a surface processed layer. The surface processed layer includes an undercoat layer, an intermediate layer containing phosphate, and a topcoat layer containing solid lubricant, in this order. The undercoat layer contains iron nitride and/or iron carbide. Thus, the surface of a base material has high hardness. As a result, microscopic deformation of the sliding surface is reduced, and increase in a real contact area is suppressed, whereby stick-slip is prevented.</description><subject>BLASTING</subject><subject>BRAKES</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>CLUTCHES</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>COUPLINGS FOR TRANSMITTING ROTATION</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FUELS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>LIGHTING</subject><subject>LUBRICANTS</subject><subject>LUBRICATING COMPOSITIONS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAO9vF08fRzVwgO8PH0c1UI9nB0C1FwcQ3zdHblYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgHG5pYWJqaWTobGRCgBAAqnICE</recordid><startdate>20231227</startdate><enddate>20231227</enddate><creator>IWASA, Aiki</creator><creator>NAKAJIMA, Makoto</creator><creator>KASHIWABARA, Shigetoshi</creator><creator>KATSUMADA, Yasuyuki</creator><creator>KATADA, Kunio</creator><creator>ITO, Masato</creator><creator>SUZUKI, Shinichi</creator><creator>KODAMA, Tokunori</creator><creator>HIRAIWA, Shunsuke</creator><creator>NISHIJIMA, Takeo</creator><creator>KAWAGUCHI, Akihumi</creator><scope>EVB</scope></search><sort><creationdate>20231227</creationdate><title>SLIDING SPLINE SHAFT DEVICE</title><author>IWASA, Aiki ; NAKAJIMA, Makoto ; KASHIWABARA, Shigetoshi ; KATSUMADA, Yasuyuki ; KATADA, Kunio ; ITO, Masato ; SUZUKI, Shinichi ; KODAMA, Tokunori ; HIRAIWA, Shunsuke ; NISHIJIMA, Takeo ; KAWAGUCHI, Akihumi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3798459B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2023</creationdate><topic>BLASTING</topic><topic>BRAKES</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>CLUTCHES</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>COUPLINGS FOR TRANSMITTING ROTATION</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FUELS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>LIGHTING</topic><topic>LUBRICANTS</topic><topic>LUBRICATING COMPOSITIONS</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>PEAT</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>IWASA, Aiki</creatorcontrib><creatorcontrib>NAKAJIMA, Makoto</creatorcontrib><creatorcontrib>KASHIWABARA, Shigetoshi</creatorcontrib><creatorcontrib>KATSUMADA, Yasuyuki</creatorcontrib><creatorcontrib>KATADA, Kunio</creatorcontrib><creatorcontrib>ITO, Masato</creatorcontrib><creatorcontrib>SUZUKI, Shinichi</creatorcontrib><creatorcontrib>KODAMA, Tokunori</creatorcontrib><creatorcontrib>HIRAIWA, Shunsuke</creatorcontrib><creatorcontrib>NISHIJIMA, Takeo</creatorcontrib><creatorcontrib>KAWAGUCHI, Akihumi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IWASA, Aiki</au><au>NAKAJIMA, Makoto</au><au>KASHIWABARA, Shigetoshi</au><au>KATSUMADA, Yasuyuki</au><au>KATADA, Kunio</au><au>ITO, Masato</au><au>SUZUKI, Shinichi</au><au>KODAMA, Tokunori</au><au>HIRAIWA, Shunsuke</au><au>NISHIJIMA, Takeo</au><au>KAWAGUCHI, Akihumi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SLIDING SPLINE SHAFT DEVICE</title><date>2023-12-27</date><risdate>2023</risdate><abstract>A sliding spline shaft device of the present invention includes a male spline and a female spline that is fitted to the male spline in an axially slidable manner, and at least one of the splines has a surface processed layer. The surface processed layer includes an undercoat layer, an intermediate layer containing phosphate, and a topcoat layer containing solid lubricant, in this order. The undercoat layer contains iron nitride and/or iron carbide. Thus, the surface of a base material has high hardness. As a result, microscopic deformation of the sliding surface is reduced, and increase in a real contact area is suppressed, whereby stick-slip is prevented.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING BRAKES CHEMICAL SURFACE TREATMENT CHEMISTRY CLUTCHES COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COUPLINGS FOR TRANSMITTING ROTATION DIFFUSION TREATMENT OF METALLIC MATERIAL ENGINEERING ELEMENTS AND UNITS FUELS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MECHANICAL ENGINEERING METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL GASES CONTAINING CARBON MONOXIDE THERMAL INSULATION IN GENERAL USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION WEAPONS |
| title | SLIDING SPLINE SHAFT DEVICE |
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