Railways – Track layers – Track raising car
Patent
1993-04-29
1994-03-29
Oberleitner, Robert J.
Railways
Track layers
Track raising car
104 2, 104 71, 294 85, 2941031, E01B 2916
Patent
active
052974820
ABSTRACT:
A rail threader comprising a top plate having side plates extending downwardly from the opposite sides thereof. A vertically disposed plate extends upwardly from the top plate and is adapted to serve as an abutment for the loose rail during the threading operation. The inside surface of one of the side plates has a pair of bars extending inwardly therefrom. When the rail threader has been positioned on a rail, a spacer bar is positioned between one side of the rail and the inside surface of the other side plate. A pair of bolts threadably extend through the other side plate and draw the bars on the first side plate into engagement with one side of the rail. The rail threader is securely held onto the rail by the engagement of the rods and the spacer bar which are urged into engagement with the opposite sides of the rail by the bolts. The loose rail may be threaded into the center of the tracks or threaded outwardly from the center of the tracks through the use of the rail threader.
REFERENCES:
patent: 2636770 (1953-04-01), Cornwell
patent: 2936192 (1960-05-01), Lince
patent: 3199462 (1965-08-01), Hooker
patent: 3240160 (1966-04-01), Blix, Jr. et al.
patent: 4205612 (1980-06-01), Luttig
patent: 4371203 (1983-02-01), Munro
Morano S. Joseph
Oberleitner Robert J.
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