Title: Bearing boxes for rotary shafts subjected to twisting moments

Abstract: An improvement in bearing boxes adapted to mount on rotary shafts objects subjected to twisting moments. Such objects are conventionally mounted by means of a pair of oppositely disposed conical roller bearings, and the improvement comprises a third conical roller bearing disposed adjacent to the sides of the objects opposite to the sides subjected to the twisting moments. The invention is particularly adapted to, and is illustrated in the context of, agricultural earth-working implements such as harrows.

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Inventors: Gilles, Bartolome

Application Number: 585723
Filing Date: 1975-06-10
Publication_date: 1976-09-14
Assignee:
Primary Class(es): 384/460 172/518, 384/157
Other Classes:
US Patent Ref:

721951	Mar, 1903	Hendon	308/181.
1662325	Mar, 1928	Otoupal	308/181.
2314469	Mar, 1943	Walker	308/181.
2597524	May, 1952	Birt	308/181.
2597942	May, 1952	McCullough	308/181.
2850337	Sep, 1958	McCallum	308/181.
3111351	Nov, 1963	Tanke	308/181.

Other Refs:
Primary Examiner: Wood, Jr., M. H.
Assistant Examiner: Bertsch, Richard A.
Attorney: Sughrue, Rothwell, Mion, Zinn and Macpeak