Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1975-10-08
1976-11-23
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
212144, 214141, 172 265, 37103, E02F 346
Patent
active
039927911
ABSTRACT:
An attachment for a jib crane to enable it to be used for grading and carrying out other work on sloping banks has a more or less horizontal auxiliary jib mounted beneath the main jib of the crane, a carriage movable fore and aft along the auxiliary jib, a guide frame extending forwardly from the carriage, a tool carrier movable in either direction along the length of the guide frame, and a suspension tie connecting the guide frame to the jib of the crane. The tool carriage is provided with a scraper blade or other tool appropriate to an operation to be carried out, and is hauled, usually upwardly, along the guide frame by a cable operated by the winding gear of the crane.
REFERENCES:
patent: 341539 (1886-05-01), Angell
patent: 677522 (1901-07-01), Libbe
patent: 1137171 (1915-04-01), Stansell
patent: 1640565 (1927-08-01), Dennis
patent: 2334323 (1943-11-01), Gilbert
patent: 2348796 (1944-05-01), Ferwerda et al.
patent: 2501533 (1950-03-01), Miyagi
patent: 2640286 (1953-06-01), Briscoe
patent: 2755573 (1956-07-01), Bannister
patent: 2833422 (1958-05-01), Ferwerda et al.
patent: 3008251 (1961-11-01), Cline et al.
patent: 3044196 (1962-07-01), Kinney
patent: 3809250 (1974-05-01), Pilch
LandOfFree
Slope grader with longitudinally movable guide frame does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Slope grader with longitudinally movable guide frame, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Slope grader with longitudinally movable guide frame will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-224103