# US 7,461,600 B2 · Rail road freight car structure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,461,600 B2 - Document ID: US7461600B2 - Status: Granted - Kind: B2 - Application number: 11/270,656 - Filed: 2005-11-10 - Published: 2007-05-10 - Granted: 2008-12-09 - Earliest claimed: 2005-11-10 - Assignees: National Steel Car Limited - Inventors: James W. Forbes; Tomasz Bis; Mohammed Al-Kaabi - Web page: https://patentgrep.com/patent/US7461600B2 ## CPC - B61D 17/00: Construction details of vehicle bodies (for tank wagons B61D5/00; for hopper cars B61D7/00; body details specially adapted for tipping wagons B61D9/06; for mine cars B61D11/00) - B61F 1/12: Cross bearers - B61D: BODY DETAILS OR KINDS OF RAILWAY VEHICLES (vehicles in general B60; adaptation of vehicles to special systems B61B; underframes B61F) - B61F: RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES (for vehicles in general B60; axles or wheels B60B; vehicle tyres B60C) ## Abstract A rail road freight car may have a body for carrying lading. The body may be a gondola car body. The car body may include a decking or floor structure, and may include longitudinally extending side beams bordering the floor structure. The connection of the side beams to the floor structure may be may without the use of a dedicated side sill. The car body structure may include cross-bearers and side beam stiffeners that are joined together by structural knees. The car body may also include clean out ports to facilitate cleaning of the lading receptacle. ## Claims ### Claim 1 A railroad gondola car comprising a gondola car body mounted on railroad car trucks for rolling motion along rail road tracks, said gondola car body including flooring, said flooring including a floor panel carried on cross bearers, and a peripheral sidewall standing upwardly of said flooring, said sidewall having at least one opening defined therein defining a sidewall cleanout by which materials may be flushed from said gondola car body, said floor panel extending to said sidewall at said opening, and a member mounted to co-operate with said opening, said member being movable between a first position obstructing said opening and a second position in which said member obstructs said opening less than in said first position. ### Claim 2 (depends on 1) The railroad gondola car of claim 1 wherein said member is a gate, said first position is a closed position of said gate, and said second position is an open position. ### Claim 3 (depends on 1) The railroad gondola car of claim 1 wherein said opening has a sill flush with said floor panel. ### Claim 4 (depends on 1) The railroad gondola car of claim 1 wherein said gondola car has corners and one said opening is located at each corner thereof. ### Claim 5 (depends on 1) The railroad car of claim 1 wherein said member is a gate, said sidewall includes a sidewall sheet, said floor panel has a portion extending proud of said sidewall sheet, said gate is located outboard of said sidewall sheet, and, in said closed position said gate has a bottom edge resting on said floor panel and said gate is operable from trackside. ### Claim 6 (depends on 1) The railroad gondola car of claim 1 wherein said member is a gate, said opening has a sill that is flush with said floor panel, and said gate has a lower edge that, in said closed position, rests upon said sill. ### Claim 7 A railroad gondola car having a gondola car body mounted on railroad car trucks for rolling motion along railroad car tracks, said car body including a substantially flat floor structure and sidewalls standing upwardly of said substantially flat floor structure, said sidewalls having predominantly upstanding stiffeners spaced therealong, said substantially flat floor structure having cross members affixed to an underside thereof, said cross members extending predominantly cross-wise under said substantially flat floor structure, and at least one of said cross members having an outboard end terminating at a longitudinal location along said car body that is free of any corresponding one of said upstanding sidewall stiffeners. ### Claim 8 (depends on 7) The railroad gondola car of claim 7 wherein at least one of said predominantly upstanding stiffeners is mounted at a longitudinal location of said car body that is free of any corresponding cross member. ### Claim 9 (depends on 7) The railroad gondola car of claim 7 wherein at least one of said cross-members is a cross-tie and said cross-tie terminates at a location along one of said sidewalls that is free of corresponding predominantly upstanding stiffeners. ### Claim 10 (depends on 7) The railroad gondola car of claim 7 wherein said cross-members include cross-bearers and cross-ties, and at least one of said predominantly upstanding stiffeners is located at a location that is free of any corresponding one of said cross-bearers and free of any corresponding one of said cross-ties. ### Claim 11 (depends on 7) The railroad gondola car of claim 7 wherein said cross members include cross-bearers and cross-ties, and in at least one location there are two cross-ties mounted in a single cross-bearer pitch. ### Claim 12 (depends on 7) The railroad gondola car of claim 7 wherein said cross members include cross-bearers and cross-ties, two of said cross-bearers having a spacing therebetween that is free of any other cross-bearer; at least one of said cross-ties is mounted in said spacing between said two cross-bearers; a first of said predominantly upwardly extending stiffeners is mounted at a location abreast of one of said two cross-bearers; a second of said predominantly upwardly extending stiffeners is mounted abreast of the other of said two cross-bearers; at least a third of said predominantly upwardly extending stiffeners is mounted at a location between said first and second predominantly upwardly extending stiffeners; and there is a different number of said cross-ties mounted between said two cross-bearers than there is of said predominantly upwardly extending stiffeners mounted between said first and second predominantly upwardly extending stiffeners. ### Claim 13 (depends on 7) The railroad gondola car of claim 7 wherein said car body has an overall length, and over that length there is a different number of said stiffeners than of said cross members. ### Claim 14 A railroad gondola car comprising: a gondola car body mounted on railroad car trucks for rolling motion along rail road tracks; said gondola car body including flooring, said flooring including a floor panel and a peripheral sidewall standing upwardly therefrom; said sidewall having a web and a predominantly upright stiffener mounted outboard thereto; said stiffener having a lower end and an upper end distant from said lower end; said web meeting said floor panel at a juncture; said floor panel extending outboard of said web past said juncture under a portion, but less than all, of said lower end of said stiffener, and a gusset being under another portion of said lower end of said stiffener, said gusset being joined to said floor panel under said lower end of said stiffener at a second juncture, said second juncture lying outboard of said first juncture. ### Claim 15 (depends on 14) The railroad gondola car of claim 14 wherein said stiffener has a depth measured outwardly from said web of said sidewall, and said second juncture is located at least one third of said depth outboard of said first juncture. ### Claim 16 (depends on 14) The railroad gondola car of claim 14 wherein said floor panel has a laterally outboard protruding portion, said protruding portion being underlying said lower end of said stiffener, and said protruding portion has shoulder radii, said second juncture lies outboard of said shoulder radii. ### Claim 17 (depends on 14) The railroad gondola car of claim 14 wherein said stiffener stands upwardly of a structural knee, and said floor panel and said gusset are parts of one of a pair of moment couple transmitting members of said structural knee. ### Claim 18 A railroad gondola car having a gondola car body carried by railroad car trucks for rolling motion along rail road car tracks, said gondola car body including: a substantially flat floor carried over cross bearers, and a pair of side walls, one of said side walls having at least one predominantly upright stiffener mounted thereto; said stiffener being mounted inboard of that sidewall and extending upwardly of said flat floor; said stiffener being structurally connected to an end of one of said cross-bearers at a structural knee; and said gondola car body being free of internal laterally extending obstructions. ### Claim 19 (depends on 18) The railroad gondola car of claim 18 further comprising a plurality of said predominantly upright stiffeners mounted to said side walls and being located inboard thereof. ### Claim 20 (depends on 18) The railroad gondola car of claim 18 wherein said sidewalls include a web mounted directly to said floor. ### Claim 21 (depends on 20) The railroad gondola car of claim 20 wherein said web includes a side sheet, said side sheet has a lower margin, a flat bar is mounted along said lower margin of said side sheet, said bar being of greater thickness than said sheet; and a juncture is formed between said flat bar and said floor. ### Claim 22 A railroad gondola car comprising: a gondola car body carried by railroad car trucks for rolling motion along rail road car tracks, said gondola car body including a pair of side walls, said side walls having a plurality of predominantly upright stiffeners mounted thereto; said body having end portions and a mid-span portion between said end portions; a plurality of cross-members to which said stiffeners are connected at structural knees; and said cross-members and said stiffeners having structural knee connections thereto being more densely spaced near said mid-span portion than near said end portions. ### Claim 23 (depends on 22) The railroad gondola car of claim 22 wherein said mid-span portion includes at least two side-by-side cross-members having structural knee connections to respective ones of said side wall stiffeners. ### Claim 24 (depends on 23) The railroad gondola car of claim 23 wherein said mid-span portion includes more than two side-by-side cross-members having structural knee connections to respective ones of said side wall stiffeners. ### Claim 25 (depends on 22) The railroad gondola car of claim 22 wherein said gondola car body has a mid-span width between said walls, W, a mid-span gondola inside depth H, and a ratio of H:W greater than 1.0. ### Claim 26 (depends on 22) The railroad gondola car of claim 22 wherein said car body has a mid-span inside gondola depth H, a gondola inside length L, and a ratio of H:L is in the range of greater than 1:12. ### Claim 27 (depends on 22) The railroad gondola car of claim 22 wherein said car body has a gondola inside length L, and a width between side walls W, and a ratio of L:W is in the range of greater than 10:1. ### Claim 28 A railroad gondola car top chord arrangement comprising: a side sheet having an upper margin; a top chord mounted along, and inboard of, said upper margin; said arrangement including a lead-in member chosen from the set of members consisting of: a portion of said top chord; and a part separate from said top chord said lead-in member being positioned inboard of said side sheet and facing downwardly; and said lead-in member being operable to fend objects moving upwardly adjacent said side sheet inboard, and to encourage those objects to pass by said top chord. ### Claim 29 (depends on 28) The railroad gondola car of claim 28 wherein said lead-in member is said portion of said top chord, said portion being a wall of said top chord, and said wall of said top chord is angled downwardly and outboard toward said side sheet. ### Claim 30 (depends on 28) The railroad gondola car of claim 28 wherein said lead-in member is said part separate from said top chord, said part being a fender, said fender being mounted below said top chord and extending upwardly and inwardly.