Side frame-bolster interface for railcar truck assembly

A three-piece railcar truck assembly is disclosed. The truck assembly has two side frames and a bolster extending between the side frames. Each side frame has spaced columns defining an opening which receives one end of the bolster. Each side frame also has forward and rearward lugs at the columns,...

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1. Verfasser:	SPENCER CHARLES P
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PREVENTING DERAILING OF RAIL VEHICLES RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH RAILWAYS TRANSPORTING WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES
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creator	SPENCER CHARLES P
description	A three-piece railcar truck assembly is disclosed. The truck assembly has two side frames and a bolster extending between the side frames. Each side frame has spaced columns defining an opening which receives one end of the bolster. Each side frame also has forward and rearward lugs at the columns, both on the inboard side and the outboard side. Each side frame lug has a stop surface that is aligned in a facing relationship with a stop surface of one bolster gib. There is a gap between the opposed side frame lug and bolster gib stop surfaces. The gap distance is limited to limit the truck warp angle. The neighboring side frame lugs and bolster gibs may be sized, shaped and spaced so that the truck warp angle may be limited to an angle of less than two degrees. The various stop-surfaces may be hardened to a desirable range of hardness over at least the contact portion of either contacting lug or gib, or both contacting surfaces may be hardened above the as-cast hardness.
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Each side frame has spaced columns defining an opening which receives one end of the bolster. Each side frame also has forward and rearward lugs at the columns, both on the inboard side and the outboard side. Each side frame lug has a stop surface that is aligned in a facing relationship with a stop surface of one bolster gib. There is a gap between the opposed side frame lug and bolster gib stop surfaces. The gap distance is limited to limit the truck warp angle. The neighboring side frame lugs and bolster gibs may be sized, shaped and spaced so that the truck warp angle may be limited to an angle of less than two degrees. The various stop-surfaces may be hardened to a desirable range of hardness over at least the contact portion of either contacting lug or gib, or both contacting surfaces may be hardened above the as-cast hardness.</description><edition>7</edition><language>eng</language><subject>PERFORMING OPERATIONS ; PREVENTING DERAILING OF RAIL VEHICLES ; RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES ; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH ; RAILWAYS ; TRANSPORTING ; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES</subject><creationdate>2001</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=20010508&DB=EPODOC&CC=US&NR=6227122B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010508&DB=EPODOC&CC=US&NR=6227122B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SPENCER CHARLES P</creatorcontrib><title>Side frame-bolster interface for railcar truck assembly</title><description>A three-piece railcar truck assembly is disclosed. The truck assembly has two side frames and a bolster extending between the side frames. Each side frame has spaced columns defining an opening which receives one end of the bolster. Each side frame also has forward and rearward lugs at the columns, both on the inboard side and the outboard side. Each side frame lug has a stop surface that is aligned in a facing relationship with a stop surface of one bolster gib. There is a gap between the opposed side frame lug and bolster gib stop surfaces. The gap distance is limited to limit the truck warp angle. The neighboring side frame lugs and bolster gibs may be sized, shaped and spaced so that the truck warp angle may be limited to an angle of less than two degrees. The various stop-surfaces may be hardened to a desirable range of hardness over at least the contact portion of either contacting lug or gib, or both contacting surfaces may be hardened above the as-cast hardness.</description><subject>PERFORMING OPERATIONS</subject><subject>PREVENTING DERAILING OF RAIL VEHICLES</subject><subject>RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES</subject><subject>RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH</subject><subject>RAILWAYS</subject><subject>TRANSPORTING</subject><subject>WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAPzkxJVUgrSsxN1U3KzykuSS1SyMwDkmmJyUDx_CKFosTMnOTEIoWSotLkbIXE4uLU3KScSh4G1rTEnOJUXijNzaDg5hri7KGbWpAfn1pcANSdl1oSHxpsZmRkbmhk5GRoTIQSAH1wLbE</recordid><startdate>20010508</startdate><enddate>20010508</enddate><creator>SPENCER CHARLES P</creator><scope>EVB</scope></search><sort><creationdate>20010508</creationdate><title>Side frame-bolster interface for railcar truck assembly</title><author>SPENCER CHARLES P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US6227122B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2001</creationdate><topic>PERFORMING OPERATIONS</topic><topic>PREVENTING DERAILING OF RAIL VEHICLES</topic><topic>RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES</topic><topic>RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH</topic><topic>RAILWAYS</topic><topic>TRANSPORTING</topic><topic>WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES</topic><toplevel>online_resources</toplevel><creatorcontrib>SPENCER CHARLES P</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SPENCER CHARLES P</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Side frame-bolster interface for railcar truck assembly</title><date>2001-05-08</date><risdate>2001</risdate><abstract>A three-piece railcar truck assembly is disclosed. The truck assembly has two side frames and a bolster extending between the side frames. Each side frame has spaced columns defining an opening which receives one end of the bolster. Each side frame also has forward and rearward lugs at the columns, both on the inboard side and the outboard side. Each side frame lug has a stop surface that is aligned in a facing relationship with a stop surface of one bolster gib. There is a gap between the opposed side frame lug and bolster gib stop surfaces. The gap distance is limited to limit the truck warp angle. The neighboring side frame lugs and bolster gibs may be sized, shaped and spaced so that the truck warp angle may be limited to an angle of less than two degrees. The various stop-surfaces may be hardened to a desirable range of hardness over at least the contact portion of either contacting lug or gib, or both contacting surfaces may be hardened above the as-cast hardness.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects	PERFORMING OPERATIONS PREVENTING DERAILING OF RAIL VEHICLES RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH RAILWAYS TRANSPORTING WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES
title	Side frame-bolster interface for railcar truck assembly
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