CUSHIONED SWING CYLINDER FOR AGRICULTURAL MOWER
A swing cylinder such as those used to offset an agricultural implement may experience larges forces as it reaches the ends of its travel. A cushioning system to mitigate these forces comprises a piston with wear rings engaged thereto. The wear rings block off a usual passageway for the hydraulic fl...
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| creator | BOLLINGER SHANE A MEINDERS CALVIN D |
| description | A swing cylinder such as those used to offset an agricultural implement may experience larges forces as it reaches the ends of its travel. A cushioning system to mitigate these forces comprises a piston with wear rings engaged thereto. The wear rings block off a usual passageway for the hydraulic fluid to flow, and provide their own, much smaller passageway. The flow of hydraulic fluid is thereby restricted in the neighborhood of the extremes of piston travel. An additional aspect of the invention is that the wear rings are pushed out of their position blocking the passageway when hydraulic fluid pressure is applied to move the piston away from the extreme position, thereby completely removing the restriction to flow in that direction. |
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A cushioning system to mitigate these forces comprises a piston with wear rings engaged thereto. The wear rings block off a usual passageway for the hydraulic fluid to flow, and provide their own, much smaller passageway. The flow of hydraulic fluid is thereby restricted in the neighborhood of the extremes of piston travel. An additional aspect of the invention is that the wear rings are pushed out of their position blocking the passageway when hydraulic fluid pressure is applied to move the piston away from the extreme position, thereby completely removing the restriction to flow in that direction.</description><language>eng</language><subject>AGRICULTURE ; ANIMAL HUSBANDRY ; FISHING ; FORESTRY ; HARVESTING ; HUMAN NECESSITIES ; HUNTING ; MOWING ; TRAPPING</subject><creationdate>2009</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=20090430&DB=EPODOC&CC=US&NR=2009107100A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090430&DB=EPODOC&CC=US&NR=2009107100A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BOLLINGER SHANE A</creatorcontrib><creatorcontrib>MEINDERS CALVIN D</creatorcontrib><title>CUSHIONED SWING CYLINDER FOR AGRICULTURAL MOWER</title><description>A swing cylinder such as those used to offset an agricultural implement may experience larges forces as it reaches the ends of its travel. A cushioning system to mitigate these forces comprises a piston with wear rings engaged thereto. The wear rings block off a usual passageway for the hydraulic fluid to flow, and provide their own, much smaller passageway. The flow of hydraulic fluid is thereby restricted in the neighborhood of the extremes of piston travel. An additional aspect of the invention is that the wear rings are pushed out of their position blocking the passageway when hydraulic fluid pressure is applied to move the piston away from the extreme position, thereby completely removing the restriction to flow in that direction.</description><subject>AGRICULTURE</subject><subject>ANIMAL HUSBANDRY</subject><subject>FISHING</subject><subject>FORESTRY</subject><subject>HARVESTING</subject><subject>HUMAN NECESSITIES</subject><subject>HUNTING</subject><subject>MOWING</subject><subject>TRAPPING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB3Dg328PT3c3VRCA739HNXcI708fRzcQ1ScPMPUnB0D_J0DvUJCQ1y9FHw9Q93DeJhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGBpaGBuaGBgaOhsbEqQIAuHInFg</recordid><startdate>20090430</startdate><enddate>20090430</enddate><creator>BOLLINGER SHANE A</creator><creator>MEINDERS CALVIN D</creator><scope>EVB</scope></search><sort><creationdate>20090430</creationdate><title>CUSHIONED SWING CYLINDER FOR AGRICULTURAL MOWER</title><author>BOLLINGER SHANE A ; MEINDERS CALVIN D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2009107100A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>AGRICULTURE</topic><topic>ANIMAL HUSBANDRY</topic><topic>FISHING</topic><topic>FORESTRY</topic><topic>HARVESTING</topic><topic>HUMAN NECESSITIES</topic><topic>HUNTING</topic><topic>MOWING</topic><topic>TRAPPING</topic><toplevel>online_resources</toplevel><creatorcontrib>BOLLINGER SHANE A</creatorcontrib><creatorcontrib>MEINDERS CALVIN D</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BOLLINGER SHANE A</au><au>MEINDERS CALVIN D</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CUSHIONED SWING CYLINDER FOR AGRICULTURAL MOWER</title><date>2009-04-30</date><risdate>2009</risdate><abstract>A swing cylinder such as those used to offset an agricultural implement may experience larges forces as it reaches the ends of its travel. A cushioning system to mitigate these forces comprises a piston with wear rings engaged thereto. The wear rings block off a usual passageway for the hydraulic fluid to flow, and provide their own, much smaller passageway. The flow of hydraulic fluid is thereby restricted in the neighborhood of the extremes of piston travel. An additional aspect of the invention is that the wear rings are pushed out of their position blocking the passageway when hydraulic fluid pressure is applied to move the piston away from the extreme position, thereby completely removing the restriction to flow in that direction.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | AGRICULTURE ANIMAL HUSBANDRY FISHING FORESTRY HARVESTING HUMAN NECESSITIES HUNTING MOWING TRAPPING |
| title | CUSHIONED SWING CYLINDER FOR AGRICULTURAL MOWER |
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