Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1988-09-12
1989-11-28
Taylor, Dennis L.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37104, 299 63, 198526, 198716, E01B 2704
Patent
active
048828602
ABSTRACT:
A railroad undercutter economizes both weight and space requirements through the use of a single continuous chain which carries ballast from beneath a railroad track to a track supported conveyor with the chain entering beneath and exiting from beneath the track on the same side and turning through a vertical arc of approximately 130.degree. to move above the track.
REFERENCES:
patent: 2594990 (1952-04-01), Proteller
patent: 2737901 (1956-03-01), Drouard et al.
patent: 2755077 (1956-07-01), Proctor
patent: 2778128 (1957-01-01), Drouard et al.
patent: 3436848 (1969-04-01), Peppin et al.
Kershaw Manufacturing Company, Inc.
McBee J. Russell
Taylor Dennis L.
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