Taper lock bearing assembly

F - Mech Eng,Light,Heat,Weapons – 16 – C

Patent

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Details

F16C 35/073 (2006.01) F16C 35/07 (2006.01)

Patent

CA 2565903

A bearing assembly lockable onto a shaft. The bearing assembly comprises a first tapered adapter defining a first axial bore for the receipt of the shaft which has an outer, annular tapered surface. There is a second tapered adapter defining a second axial bore for receipt of a sleeve portion of the first adapter. The second tapered adapter has an outer, annular tapered surface tapered at a taper angle opposite to that of the first tapered adapter such that the first and second tapered adapters co-operate to define an outer annular surface having a generally V-shaped configuration that tapers from spaced greater diameter outer ends to adjacent lesser diameter inner ends. The opposed tapered surfaces have a fixed limit in their axial travel toward each other along the shaft defined by engagement of the lesser diameter inner ends. When the tapered surfaces reach the end of their travel, the bearing supported on the tapered surfaces is tightened on the shaft with the correct clearances.

L'invention concerne un ensemble de palier verrouillable sur un arbre. Cet ensemble de palier comprend un premier adaptateur conique formant un premier trou axial destiné à loger l'arbre qui présente une surface conique externe, annulaire. Un second adaptateur conique forme un second trou axial destiné à loger une partie de manchon du premier adaptateur. Ce second adaptateur conique présente une surface annulaire, externe, conique au niveau d'un angle conique opposé à celui du premier adaptateur conique, de telle manière que les premier et second adaptateurs coniques peuvent coopérer pour former une surface annulaire externe à configuration généralement en V qui présente une conicité allant des extrémités externes séparées à diamètre supérieur aux extrémités internes adjacentes à diamètre inférieur. Ces surfaces coniques opposées ont une limite fixée dans leur trajet axial l'une vers l'autre le long de l'arbre formé par l'imbrication des extrémités internes à diamètre inférieur. Lorsque les surfaces coniques atteignent la fin de leur trajet, le palier soutenu par les surfaces coniques est resserré sur l'arbre avec les distances correctes.

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