DOWN AND/OR UP FORCE ADJUSTMENT SYSTEM
An agricultural device includes a number of row units that each includes a seed furrow opener that creates a furrow in the soil for seed placement. Each row unit is mounted to a toolbar of the device by means of a four-bar linkage which allows each row unit to move vertically to adjust to the contou...
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| creator | BACHMAN MARVIN ACHEN COURTNEY N STEVENSON VAUGHAN G |
| description | An agricultural device includes a number of row units that each includes a seed furrow opener that creates a furrow in the soil for seed placement. Each row unit is mounted to a toolbar of the device by means of a four-bar linkage which allows each row unit to move vertically to adjust to the contour of the soil independently of the other row units on the same toolbar. The four-bar linkages include one or more springs which work to transfer weight from the toolbar to the row unit. An actuator varies the tension in the spring thereby adjusting the down or up force applied to the row unit. |
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Each row unit is mounted to a toolbar of the device by means of a four-bar linkage which allows each row unit to move vertically to adjust to the contour of the soil independently of the other row units on the same toolbar. The four-bar linkages include one or more springs which work to transfer weight from the toolbar to the row unit. An actuator varies the tension in the spring thereby adjusting the down or up force applied to the row unit.</description><language>eng</language><subject>AGRICULTURE ; ANIMAL HUSBANDRY ; FERTILISING ; FISHING ; FORESTRY ; HUMAN NECESSITIES ; HUNTING ; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL ; PLANTING ; SOIL WORKING IN AGRICULTURE OR FORESTRY ; SOWING ; TRAPPING</subject><creationdate>2015</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=20150312&DB=EPODOC&CC=US&NR=2015073668A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150312&DB=EPODOC&CC=US&NR=2015073668A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BACHMAN MARVIN</creatorcontrib><creatorcontrib>ACHEN COURTNEY N</creatorcontrib><creatorcontrib>STEVENSON VAUGHAN G</creatorcontrib><title>DOWN AND/OR UP FORCE ADJUSTMENT SYSTEM</title><description>An agricultural device includes a number of row units that each includes a seed furrow opener that creates a furrow in the soil for seed placement. 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An actuator varies the tension in the spring thereby adjusting the down or up force applied to the row unit.</description><subject>AGRICULTURE</subject><subject>ANIMAL HUSBANDRY</subject><subject>FERTILISING</subject><subject>FISHING</subject><subject>FORESTRY</subject><subject>HUMAN NECESSITIES</subject><subject>HUNTING</subject><subject>PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL</subject><subject>PLANTING</subject><subject>SOIL WORKING IN AGRICULTURE OR FORESTRY</subject><subject>SOWING</subject><subject>TRAPPING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBz8Q_3U3D0c9H3D1IIDVBw8w9ydlVwdPEKDQ7xdfULUQiODA5x9eVhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGhqYG5sZmZhaOhsbEqQIASa4kgA</recordid><startdate>20150312</startdate><enddate>20150312</enddate><creator>BACHMAN MARVIN</creator><creator>ACHEN COURTNEY N</creator><creator>STEVENSON VAUGHAN G</creator><scope>EVB</scope></search><sort><creationdate>20150312</creationdate><title>DOWN AND/OR UP FORCE ADJUSTMENT SYSTEM</title><author>BACHMAN MARVIN ; ACHEN COURTNEY N ; STEVENSON VAUGHAN G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2015073668A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>AGRICULTURE</topic><topic>ANIMAL HUSBANDRY</topic><topic>FERTILISING</topic><topic>FISHING</topic><topic>FORESTRY</topic><topic>HUMAN NECESSITIES</topic><topic>HUNTING</topic><topic>PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL</topic><topic>PLANTING</topic><topic>SOIL WORKING IN AGRICULTURE OR FORESTRY</topic><topic>SOWING</topic><topic>TRAPPING</topic><toplevel>online_resources</toplevel><creatorcontrib>BACHMAN MARVIN</creatorcontrib><creatorcontrib>ACHEN COURTNEY N</creatorcontrib><creatorcontrib>STEVENSON VAUGHAN G</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BACHMAN MARVIN</au><au>ACHEN COURTNEY N</au><au>STEVENSON VAUGHAN G</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DOWN AND/OR UP FORCE ADJUSTMENT SYSTEM</title><date>2015-03-12</date><risdate>2015</risdate><abstract>An agricultural device includes a number of row units that each includes a seed furrow opener that creates a furrow in the soil for seed placement. 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| subjects | AGRICULTURE ANIMAL HUSBANDRY FERTILISING FISHING FORESTRY HUMAN NECESSITIES HUNTING PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL PLANTING SOIL WORKING IN AGRICULTURE OR FORESTRY SOWING TRAPPING |
| title | DOWN AND/OR UP FORCE ADJUSTMENT SYSTEM |
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