DE2948899
A tractor hitch having a rockshaft pivotally carried between a pair of tractor frames behind and below the rear axle which carries a bellcrank to which a pair of draft links and drawbar are pivotally attached. A pair of lift arms are attached to the rockshaft, one on either side of the bellcrank, an...
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| creator | SCHAFER, RICHARD ARTHUR, TRAER, IA., US |
| description | A tractor hitch having a rockshaft pivotally carried between a pair of tractor frames behind and below the rear axle which carries a bellcrank to which a pair of draft links and drawbar are pivotally attached. A pair of lift arms are attached to the rockshaft, one on either side of the bellcrank, and are connected by connecting links to the draft links to support and lift the draft links and drawbar upon actuation of a pair of lift cylinders connected to the midpoints of the lift arms. A coupler frame with a three-point hitch is carried by the rear end of the draft links and is held in an upright position by three links connected to the upper portion of the tractor frames to define a four-bar linkage to allow translation of the coupler frame relative to the rear axle. A bellcrank actuator is actuable to rotate the bellcrank to move the draft links either forward or back to tilt the coupler frame and move the drawbar forward and back. Sway links are connected to the bellcrank and to the draft links to provide sway control for the draft links and drawbar. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_DE2948899C2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>DE2948899C2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_DE2948899C23</originalsourceid><addsrcrecordid>eNrjZOB0cTWyNLGwsLTkYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxcPXORsZEKAEA2E8asg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>DE2948899</title><source>esp@cenet</source><creator>SCHAFER, RICHARD ARTHUR, TRAER, IA., US</creator><creatorcontrib>SCHAFER, RICHARD ARTHUR, TRAER, IA., US</creatorcontrib><description>A tractor hitch having a rockshaft pivotally carried between a pair of tractor frames behind and below the rear axle which carries a bellcrank to which a pair of draft links and drawbar are pivotally attached. A pair of lift arms are attached to the rockshaft, one on either side of the bellcrank, and are connected by connecting links to the draft links to support and lift the draft links and drawbar upon actuation of a pair of lift cylinders connected to the midpoints of the lift arms. A coupler frame with a three-point hitch is carried by the rear end of the draft links and is held in an upright position by three links connected to the upper portion of the tractor frames to define a four-bar linkage to allow translation of the coupler frame relative to the rear axle. A bellcrank actuator is actuable to rotate the bellcrank to move the draft links either forward or back to tilt the coupler frame and move the drawbar forward and back. Sway links are connected to the bellcrank and to the draft links to provide sway control for the draft links and drawbar.</description><edition>4</edition><language>eng</language><subject>AGRICULTURE ; ANIMAL HUSBANDRY ; FISHING ; FORESTRY ; HUMAN NECESSITIES ; HUNTING ; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL ; PERFORMING OPERATIONS ; SOIL WORKING IN AGRICULTURE OR FORESTRY ; TRANSPORTING ; TRAPPING ; VEHICLE CONNECTIONS ; VEHICLES IN GENERAL</subject><creationdate>1986</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=19860515&DB=EPODOC&CC=DE&NR=2948899C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860515&DB=EPODOC&CC=DE&NR=2948899C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHAFER, RICHARD ARTHUR, TRAER, IA., US</creatorcontrib><title>DE2948899</title><description>A tractor hitch having a rockshaft pivotally carried between a pair of tractor frames behind and below the rear axle which carries a bellcrank to which a pair of draft links and drawbar are pivotally attached. A pair of lift arms are attached to the rockshaft, one on either side of the bellcrank, and are connected by connecting links to the draft links to support and lift the draft links and drawbar upon actuation of a pair of lift cylinders connected to the midpoints of the lift arms. A coupler frame with a three-point hitch is carried by the rear end of the draft links and is held in an upright position by three links connected to the upper portion of the tractor frames to define a four-bar linkage to allow translation of the coupler frame relative to the rear axle. A bellcrank actuator is actuable to rotate the bellcrank to move the draft links either forward or back to tilt the coupler frame and move the drawbar forward and back. Sway links are connected to the bellcrank and to the draft links to provide sway control for the draft links and drawbar.</description><subject>AGRICULTURE</subject><subject>ANIMAL HUSBANDRY</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>PERFORMING OPERATIONS</subject><subject>SOIL WORKING IN AGRICULTURE OR FORESTRY</subject><subject>TRANSPORTING</subject><subject>TRAPPING</subject><subject>VEHICLE CONNECTIONS</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB0cTWyNLGwsLTkYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxcPXORsZEKAEA2E8asg</recordid><startdate>19860515</startdate><enddate>19860515</enddate><creator>SCHAFER, RICHARD ARTHUR, TRAER, IA., US</creator><scope>EVB</scope></search><sort><creationdate>19860515</creationdate><title>DE2948899</title><author>SCHAFER, RICHARD ARTHUR, TRAER, IA., US</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE2948899C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1986</creationdate><topic>AGRICULTURE</topic><topic>ANIMAL HUSBANDRY</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>PERFORMING OPERATIONS</topic><topic>SOIL WORKING IN AGRICULTURE OR FORESTRY</topic><topic>TRANSPORTING</topic><topic>TRAPPING</topic><topic>VEHICLE CONNECTIONS</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHAFER, RICHARD ARTHUR, TRAER, IA., US</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHAFER, RICHARD ARTHUR, TRAER, IA., US</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DE2948899</title><date>1986-05-15</date><risdate>1986</risdate><abstract>A tractor hitch having a rockshaft pivotally carried between a pair of tractor frames behind and below the rear axle which carries a bellcrank to which a pair of draft links and drawbar are pivotally attached. A pair of lift arms are attached to the rockshaft, one on either side of the bellcrank, and are connected by connecting links to the draft links to support and lift the draft links and drawbar upon actuation of a pair of lift cylinders connected to the midpoints of the lift arms. A coupler frame with a three-point hitch is carried by the rear end of the draft links and is held in an upright position by three links connected to the upper portion of the tractor frames to define a four-bar linkage to allow translation of the coupler frame relative to the rear axle. A bellcrank actuator is actuable to rotate the bellcrank to move the draft links either forward or back to tilt the coupler frame and move the drawbar forward and back. Sway links are connected to the bellcrank and to the draft links to provide sway control for the draft links and drawbar.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_DE2948899C2 |
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| subjects | AGRICULTURE ANIMAL HUSBANDRY FISHING FORESTRY HUMAN NECESSITIES HUNTING PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL PERFORMING OPERATIONS SOIL WORKING IN AGRICULTURE OR FORESTRY TRANSPORTING TRAPPING VEHICLE CONNECTIONS VEHICLES IN GENERAL |
| title | DE2948899 |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-25T17%3A41%3A14IST&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=SCHAFER,%20RICHARD%20ARTHUR,%20TRAER,%20IA.,%20US&rft.date=1986-05-15&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EDE2948899C2%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 |