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Hoffmann Manufacturing Co Ltd
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Hoffmann Manufacturing Co Ltd
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Application filed by Hoffmann Manufacturing Co LtdfiledCriticalHoffmann Manufacturing Co Ltd
Application grantedgrantedCritical
Publication of FR547050ApublicationCriticalpatent/FR547050A/en
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
B61F15/00—Axle-boxes
B61F15/12—Axle-boxes with roller, needle, or ball bearings
B61F15/14—Axle-boxes with roller, needle, or ball bearings constructed for taking-up axial pressure
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR547050D1921-04-131922-02-10
Improvements in the assembly of axle boxes for wheels of tram cars and other similar vehicles
ExpiredFR547050A
(en)