Reciprocating apparatus and cam follower for winding a package

Details Reciprocating apparatus and cam follower for winding a package Reciprocating apparatus and cam follower for winding a package

B - Operations, Transporting

65

H

B65H 54/28 (2006.01) B65H 57/28 (2006.01)

Patent

CA 2355638

A cam follower (150) includes a radially inner arcuate bearing surface that matches the curvature of the outer surface (112) of the cam. Engagement of this bearing surface with the surface of the cam opposes undesired motion of the cam follower (150), including motion radially away from the cam, about an axis perpendicular to the cam rotation axis, and/or about an axis parallel to the cam rotation axis. This arcuate engagement also facilitates effective lubrication of the cam follower (150). The cam housing (120) is formed with arcuate bearing surfaces that define with the cam surface an annular cam follower cavity (140) and that engage a radially outer arcuate bearing surface of the cam follower (150), maintaining the cam follower (150) in position against the cam surface.

Ce galet de came (150) comprend une surface d'appui courbe, dirigée radialement vers l'intérieur et qui épouse la courbure de la surface extérieure (112) de la came. La mise en contact de cette surface d'appui avec la surface de la came s'oppose au déplacement non voulu du galet de came (150), notamment au déplacement par éloignement radial à partir de la came, autour d'un axe perpendiculaire à l'axe de rotation de la came et/ou autour d'un axe parallèle à l'axe de rotation de la came. Ce contact courbe facilite également une lubrification efficace du galet de came (150). Le logement (120) de la came est formée de surfaces d'appui courbes, lesquelles définissent avec la surface de la came une cavité annulaire de galet de came (140) et entrent en contact avec une surface d'appui courbe du galet de came (150), dirigée radialement vers l'extérieur, de manière à maintenir ce galet (150) en position contre la surface de la came.

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