Debris diverter for a rotary cutter

Details Debris diverter for a rotary cutter Debris diverter for a rotary cutter

A - Human Necessities

01

D

A01D 34/66 (2006.01)

Patent

CA 2726115

A rotary cutter assembly has a spindle journaled by a bearing assembly. A cutter mounting member is fixed to the spindle for rotation therewith and has an outermost annular skirt that flares radially outwardly and downwardly to a lowermost peripheral edge. The bearing housing that supports the bearing has an upstanding rib that surrounds the lower peripheral edge of the mounting member and projects upwardly beyond the same for a short distance. This overlapping relationship between the rib and the lower skirt periphery prevents the ingress of foreign materials into close proximity with the bearing assembly to thereby prolong its useful life.

L'invention concerne un ensemble coupeuse rotative ayant une broche tourillonnée par un ensemble de palier. Un élément de montage de coupeuse est fixé sur la broche à des fins de rotation avec celle-ci et a une jupe annulaire extrême qui va en sévasant dans le sens radial vers l'extérieur et vers le bas jusqu'à un bord périphérique le plus en bas. Le logement de palier qui supporte le palier a une nervure verticale qui entoure le bord périphérique inférieur de l'élément de montage et fait saillie vers le haut au-delà de celui-ci sur une courte distance. Cette relation de chevauchement entre la rainure et la périphérie de jupe inférieure empêche la pénétration de matériaux étrangers en étroite proximité avec l'ensemble de palier pour ainsi prolonger sa durée de vie utile.

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