Fork lift attachment for tractor
A fork lift attachment for a tractor. The fork lift attachment includes a subframe having a pair of arms that are attached to the sides of the tractor. A mast is pivoted to the outer end of the subframe and is adapted to be pivoted in a fore and aft direction by a hydraulic cylinder unit. Mounted fo...
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| creator | SPELLMAN, JR. FRANCIS T |
| description | A fork lift attachment for a tractor. The fork lift attachment includes a subframe having a pair of arms that are attached to the sides of the tractor. A mast is pivoted to the outer end of the subframe and is adapted to be pivoted in a fore and aft direction by a hydraulic cylinder unit. Mounted for movement on the mast is a fork rack and a sliding rack, which carries the lift forks, is mounted for lateral movement on the fork rack. A pair of lift cylinders are mounted along the sides of the mast and operate to move the fork rack and lift forks relative to the mast, while a shift cylinder interconnects the fork rack and the sliding rack to shift the sliding rack and forks in a lateral direction. The lift cylinders are spaced apart to provide an opening for the power take-off of the tractor so that the fork lift attachment does not interfere with normal operation of the power take-off or the three-point hitch system. |
| format | Patent |
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A mast is pivoted to the outer end of the subframe and is adapted to be pivoted in a fore and aft direction by a hydraulic cylinder unit. Mounted for movement on the mast is a fork rack and a sliding rack, which carries the lift forks, is mounted for lateral movement on the fork rack. A pair of lift cylinders are mounted along the sides of the mast and operate to move the fork rack and lift forks relative to the mast, while a shift cylinder interconnects the fork rack and the sliding rack to shift the sliding rack and forks in a lateral direction. The lift cylinders are spaced apart to provide an opening for the power take-off of the tractor so that the fork lift attachment does not interfere with normal operation of the power take-off or the three-point hitch system.</description><edition>4</edition><language>eng</language><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HAULING ; HOISTING ; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD ; LIFTING ; PERFORMING OPERATIONS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS ; TRANSPORTING</subject><creationdate>1987</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=19870203&DB=EPODOC&CC=US&NR=4640662A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870203&DB=EPODOC&CC=US&NR=4640662A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SPELLMAN, JR.; FRANCIS T</creatorcontrib><title>Fork lift attachment for tractor</title><description>A fork lift attachment for a tractor. The fork lift attachment includes a subframe having a pair of arms that are attached to the sides of the tractor. A mast is pivoted to the outer end of the subframe and is adapted to be pivoted in a fore and aft direction by a hydraulic cylinder unit. Mounted for movement on the mast is a fork rack and a sliding rack, which carries the lift forks, is mounted for lateral movement on the fork rack. A pair of lift cylinders are mounted along the sides of the mast and operate to move the fork rack and lift forks relative to the mast, while a shift cylinder interconnects the fork rack and the sliding rack to shift the sliding rack and forks in a lateral direction. The lift cylinders are spaced apart to provide an opening for the power take-off of the tractor so that the fork lift attachment does not interfere with normal operation of the power take-off or the three-point hitch system.</description><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HAULING</subject><subject>HOISTING</subject><subject>HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD</subject><subject>LIFTING</subject><subject>PERFORMING OPERATIONS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBwyy_KVsjJTCtRSCwpSUzOyE3NK1FIyy9SKClKTC7JL-JhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfGhwSZmJgZmZkaOxoRVAADEGySZ</recordid><startdate>19870203</startdate><enddate>19870203</enddate><creator>SPELLMAN, JR.; FRANCIS T</creator><scope>EVB</scope></search><sort><creationdate>19870203</creationdate><title>Fork lift attachment for tractor</title><author>SPELLMAN, JR.; FRANCIS T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4640662A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1987</creationdate><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HAULING</topic><topic>HOISTING</topic><topic>HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD</topic><topic>LIFTING</topic><topic>PERFORMING OPERATIONS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>SPELLMAN, JR.; FRANCIS T</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SPELLMAN, JR.; FRANCIS T</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fork lift attachment for tractor</title><date>1987-02-03</date><risdate>1987</risdate><abstract>A fork lift attachment for a tractor. The fork lift attachment includes a subframe having a pair of arms that are attached to the sides of the tractor. A mast is pivoted to the outer end of the subframe and is adapted to be pivoted in a fore and aft direction by a hydraulic cylinder unit. Mounted for movement on the mast is a fork rack and a sliding rack, which carries the lift forks, is mounted for lateral movement on the fork rack. A pair of lift cylinders are mounted along the sides of the mast and operate to move the fork rack and lift forks relative to the mast, while a shift cylinder interconnects the fork rack and the sliding rack to shift the sliding rack and forks in a lateral direction. The lift cylinders are spaced apart to provide an opening for the power take-off of the tractor so that the fork lift attachment does not interfere with normal operation of the power take-off or the three-point hitch system.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HAULING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD LIFTING PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING |
| title | Fork lift attachment for tractor |
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