Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Patent
1981-02-26
1982-11-09
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Scraper blade
37105, E01H 506
Patent
active
043577660
ABSTRACT:
A snow plow side wing assembly is provided which is hydraulically operated and simply constructed such that it can be easily scaled down for mounting on a lightweight pickup truck. The assembly includes a wing blade, a lightweight frame adapted to be mounted to a vehicle, a pair of upstanding posts mounted fore and aft of the frame with each post including track means and a travel carriage mounted for sliding movement in the track means, and a hydraulic piston and cylinder arrangement mounted on the opposite side of the post to the track means with the cylinder mounted to the base of the post and the cylinder extending upwardly from the cylinder parallel to the post and connected to an extension arm extending parallel to the post and connected to the carriage. Two supporting arms extend from the carriage, both supporting arms being pivotally articulated to the carriage and to separate points on the end of the blade. One of these support arms is connected to a lost motion slide on the blade so that the blade is free to move in a vertical plane in response to the varying contour of the road bed. In a larger scale embodiment of the invention, the carriage includes an offset pivot bracket to the pivot brackets of the support members and the piston and cylinder arrangement is pivotally connected to one of the support members such that when the wing blade is moved upwardly and inwardly towards the vehicle, the tendency of the arms to bind will be reduced.
REFERENCES:
patent: 2101666 (1937-12-01), Austin
patent: 2193532 (1940-03-01), Frink
patent: 2491797 (1949-12-01), Burns
patent: 2632262 (1953-03-01), Whittey
patent: 2643470 (1953-06-01), Kaeser
patent: 2991566 (1961-07-01), Sumner et al.
patent: 3125818 (1964-03-01), Kraft et al.
patent: 3659363 (1970-06-01), Snyder
patent: 4045892 (1977-09-01), Farrell
patent: 4096652 (1978-06-01), Raines
Croteau Lucien
Houle Bertrand
Marchand Alain
Eickholt E. H.
Tenco Machinery Ltd.
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