Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Patent
1991-07-10
1992-07-07
Reese, Randolph A.
Excavating
Snow or ice removing or grooming by portable device
Scraper blade
37232, 403135, 403143, E01H 506
Patent
active
051271753
ABSTRACT:
A swivel design for a wear shoe is described which provides support to apparatus cantilevered from a vehicle. This effectively reduces wear to the contacting surface by distributing the wear more evenly. To accomplish this objective the wear shoe is mounted to the supported structure by a swivel joint which allows full freedom of movement. During use the wear shoe tilts and rotates on the swivel to maintain the wear surface of the shoe in facing relation to the road surface.
REFERENCES:
patent: 1686243 (1928-10-01), Meyer
patent: 1730817 (1929-10-01), Gyllenkrook
patent: 1739352 (1929-12-01), Choate
patent: 2507108 (1950-05-01), Lange
patent: 3464129 (1969-09-01), Bogenschulz
patent: 4679959 (1987-07-01), Cavalloro
patent: 4778196 (1988-10-01), Spoliansky
Olsen Arlen L.
Reese Randolph A.
White Douglas B.
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