FIELD: railway transport.
SUBSTANCE: proposed roller suspension of box-car door contains suspension upper member connected with door skeleton and resting through horizontal and vertical rollers on body frame, and suspension lower member including horizontal rollers secured on door skeleton.  Door suspensions upper member is made in form of U-shaped section 11 arranged with its webs pointed down and enclosing horizontal rollers 12 and vertical rollers 13 secured for axial rotation of longitudinal beam of body frame and arranged under roof sheathing 15.  Horizontal rollers of suspension lower member are isolated from outer space by door sheathing and labyrinth seal formed by lower binding of door and guide of car frame.
EFFECT: facilitated shifting of door wings.
4 dwg
             
         
            
              
                | Title | Year | Author | Number | 
							
              
                | SLIDING DOOR OF FREIGHT CAR | 0 | 
										Loginov Aleksandr IvanovichShipilov Gennadij VasilevichNedelyaev Ivan VasilevichRazgonova Anna PetrovnaIvkin Anatolij MikhajlovichTimofeev Viktor NikolaevichKomelkov Anatolij Petrovich | SU1057352A1 | 
							
              
                | FLATCAR TO CARRY CARS, PIECE AND PACKAGE CARGOES | 2007 | 
										Radzikhovskij Adol'F AleksandrovichOmel'Janenko Igor' AleksandrovichTimoshina Larisa Adol'FovnaFomin Andrej IvanovichKhar'Kovskij Evgenij Anatol'EvichChernyj Andrej ViktorovichGamzalov Stanislav DzhakhparovichVoronovich Viktor PetrovichLozovoj Evgenij Alekseevich | RU2347699C2 | 
							
              
                | BOXCAR DOOR LOCKING MECHANISM | 2014 | 
										Boronenko Jurij PavlovichTsyganskaja Ljudmila Valer'EvnaBejn Dmitrij Grigor'EvichBondarenko Aleksandr IgorevichSmirnov Nikolaj ViktorovichBondarenko Kristina ViktorovnaZhitkov Jurij Borisovich | RU2554276C1 | 
							
              
                | DEVICE FOR SUSPENDING A HORIZONTALLY MOVABLE WING | 0 | 
										Bolshakov Gennadij Petrovich | SU1428835A1 | 
							
              
                | RAILWAY CAR BODY FIT-UP METHOD | 1994 | 
										Ermishkin I.S.Goncharova T.A. | RU2113961C1 | 
							
              
                | BODY OF COVERED RAILWAY CARRIAGE | 2022 | 
										Galieva Irina VitalevnaChumakov Konstantin AnatolevichTeptina Iuliia IvanovnaShikhaleva Elena VladimirovnaGeiler Evgenii Moiseevich | RU2810885C1 | 
							
              
                | HOPPER CAR | 2021 | 
										Machulskij Vladislav NikolaevichDenisenko Sergej AnatolevichOsyka Viktor ValerevichKugryshev Dmitrij VladimirovichPikovtsev Artem Olegovich | RU2766484C1 | 
							
              
                | BODY OF RAILWAY HOPPER CAR | 2018 | 
										Baranov Aleksandr NikolaevichFilippov Sergej FedorovichVasileva Lyudmila MikhajlovnaAntonov Andrej AlekseevichDorozhkin Aleksandr ViktorovichKurochkin Aleksandr SergeevichStrelchenko Tatyana AleksandrovnaSenilova Tatyana AleksandrovnaTeptina Yuliya IvanovnaMyslivets Sergej Vladimirovich | RU2709520C1 | 
							
              
                | HOPPER CAR AND SLIDING ROOF | 2004 | 
										Kuz'Min Ehduard KonstantinovichMalykh Nikolaj AleksandrovichDorozhkin Aleksandr ViktorovichAndronov Vladislav Anatol'EvichEfimov Viktor PetrovichPotapov Pavel FedorovichAntonov Andrej AlekseevichBelev Afanasij PetrovichKonishchev Konstantin LeonidovichRodeh Marija JakovlevnaKopylova Galina Grigor'EvnaDanilenko Denis ViktorovichLevin Aleksandr BorisovichKravchenko Irina AleksandrovnaBelov Nikolaj AleksandrovichStarostin Georgij AleksandrovichVlasko Andrej SergeevichBeschastnaja Irina Valer'Evna | RU2268180C2 | 
							
              
                | GONDOLA WAGON OF ALUMINIUM ALLOYS | 2007 | 
										Konjukhov Aleksandr DmitrievichZhuravleva Larisa VladimirovnaKrasnobaev Aleksandr MikhajlovichSharinov Il'Ja L'VovichSalikov Vjacheslav AlekseevichRoshchupkin Aleksandr NikolaevichKorol'Kov Vladimir IvanovichChernov Vladislav Mikhajlovich | RU2345918C1 |