Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1977-08-15
1979-01-09
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
214 82, 214514, 211151, 29434, 291484A, B21K 102, E02F 362
Patent
active
041331222
ABSTRACT:
A carriage assembly has first and second pairs of rollers rotatably connected to first and second sides of the carriage. First and second rail means are secured to spaced parallel sidewalls. The first rail device has first and second elongate rails positioned in end-to-end relationship at which the adjacent ends are spaced one from the other. Each of the first pair of rollers are rollably carried by respective first and second rails while the second pair of rollers are rollably carried by the second rail device.
REFERENCES:
patent: 1975327 (1934-10-01), Loney
patent: 2644588 (1953-07-01), Brown
patent: 3129657 (1964-04-01), Farley et al.
patent: 3739504 (1973-06-01), Miller
patent: 3742628 (1973-07-01), Walser et al.
patent: 3788507 (1974-01-01), Voss
patent: 3872612 (1975-03-01), Gee
patent: 3991493 (1976-11-01), Orth
patent: 3999267 (1976-12-01), Leskovec et al.
patent: 4041625 (1977-08-01), Fisher et al.
Girard William T.
Richardson Warner G.
Wilson Eugene M.
Caterpillar Tractor Co.
Eickholt E. H.
Grant John W.
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