Importance

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Abstract

Attachment means for arresting a machine member (3) having a cylindrical bore on a shaft (1), wherein a pair of elements having mating, co-operating taper surfaces facing each other is inserted between member and shaft, and intended at mutual displacement to increase a clamping force between the machine member and the shaft, wherein the means incorporates a first thin-walled sleeve member (5) having a cylindrical inner surface arranged to enclose a portion of the shaft (1), and a second, thin-walled sleeve member (6) having a cylindrical outer surface arranged to engage the bore of the machine member (3), said second sleeve member (6) enclosing the first sleeve member (5), whereby the first and second sleeve members (5, 6) have a plurality of co-operating saw-tooth-shaped, axially tapering sections, and a ring member (7) is provided about the shaft (1), and has in its hole has circumferential groove (8), spaced apart from the side faces of the ring member (7), the first sleeve member (5) projecting outside the second sleeve member (6), and has an exterior circumferential ridge (9), projecting into the groove (8), for axial interconnection of ring member and second sleeve member, the ring member (7) having means (10) for applying a force on an end edge on the second sleeve member for causing such mutual displacement between the first and second sleeve members (5, 6).

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First Claim