Robert V. Norby - Munster IN, US René A. Hunziker - Flossmoor IL, US
Assignee:
Holland Corporation - Crete IL
International Classification:
E01B011/44 B23K009/00
US Classification:
104 15, 219 54
Abstract:
A flash butt rail welding welderhead combines in a single unit, the ability for the three functions of rail pulling, flash butt forging and maintaining the “after forged” displacement without any change in platen position such that shearing may be accomplished in three stages, a single stage, multiple stages or a progressive stage, all while maintaining clamping and stretching force on the rails.
Track Strength Testing Vehicle With A Loaded Gage Axle And Loaded Gage Axle Apparatus
Robert V. Norby - Munster IN Stefan T. Pendrick - Hammond IN
Assignee:
Holland Company - Chicago Heights IL
International Classification:
G01M 500
US Classification:
73786
Abstract:
A motor vehicle body is adapted for use on railroad tracks by being elevated by "high rail" unit steel wheels, but with the motive force being supplied by the vehicle's road wheels, a loaded gage axle assembly having vertical loads imposed by hydraulic rams, and horizontal loads being supplied by horizontal rams through split axles and steel wheels to the railroad tracks is calibrated to measure track strength and adapted to be operatively connected to electronic data recording and comparing apparatus.
Robert V. Norby - Munster IN Henry F. Ninstil - Overland Park KS Stefan Pendrick - Hammond IN
Assignee:
Holland Company - Chicago Heights IL
International Classification:
B23P 1904
US Classification:
29227
Abstract:
A railroad car truck frame jack clamps a side frame, the clamps suspend a cross tube which in turn suspends one or more cylinders which raise a bolster plug thereby lifting the bolster relative to the side frame and decompressing the truck springs for repair or replacement, twisting loads being minimized in the preferred embodiment by a lost motion slot.