Suspension unit for agricultural implement, agricultural implement, method of manufacturing a suspension unit and use of a bearing unit
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United States of America Patent
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Dec 27, 2016
Grant Date -
Jul 9, 2015
app pub date -
Aug 21, 2013
filing date -
Aug 22, 2012
priority date (Note) -
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Abstract
A suspension unit for an agricultural implement, the suspension unit includes a bearing unit. The bearing unit contains an inner sleeve and an outer sleeve which is rotatable relative to said inner sleeve, and a friction-reducing member arranged between the inner sleeve and the outer sleeve. The suspension unit further includes a spring element, arranged radially outside the outer sleeve, and a holder which forms a spring chamber in which the spring element is accommodated. The spring element is fixed in the spring chamber between a circumferential, radially outwardly open groove, which is integrated with the outer sleeve, and a radially inwardly open groove, which surrounds the outer sleeve.
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