Earth working – Rolling – rotating or orbitally moving tool – Disk gang
Patent
1977-05-23
1979-01-30
Johnson, Richard J.
Earth working
Rolling, rotating or orbitally moving tool
Disk gang
308 19, 308181, 308174, A01B 7104
Patent
active
041367464
ABSTRACT:
The subject bearing assembly is characterized by bearing structure for axially supporting the disc blade arrangement while simultaneously providing optimum support against the lateral or thrust forces acting upon the disc blade arrangement, i.e., thrust forces normally brought about as the disc blades obliquely attack and prepare the soil. The bearing structure includes a rotatable axle having at least one radial ball-bearing sub-assembly circumposed thereabout for taking the axle load, and at least one thrust ball-bearing sub-assembly circumposed about the rotatable axle and having a pair of lateral races for taking the lateral load. A spacer sleeve member is also incorporated for establishing an optimum non-binding relationship between the lateral races irrespective of lateral compression forces which are developed in frictionally urging the sub-assemblies and the spacer sleeve member together in attaching the disc members to the rotatable axle.
REFERENCES:
patent: 1391853 (1921-09-01), Press
patent: 1506782 (1924-09-01), Silver
patent: 2097244 (1937-10-01), Sjogren
patent: 2191098 (1940-02-01), Rapp
patent: 2556492 (1951-06-01), Dockery
patent: 2790367 (1957-04-01), Simmons
patent: 3088527 (1963-05-01), Burch
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