Axial position changing transmission mechanism

Details Axial position changing transmission mechanism Axial position changing transmission mechanism

2005-10-11

2005-10-11

Fenstermacher, David M. (Department: 3682)

Friction gear transmission systems or components

Forward and reverse

Variable speed in forward or reverse

C476S021000, C074S448000

Reexamination Certificate

active

06953413

ABSTRACT:
A mechanism (25) for transmitting torque from one or between several torque transmitting members (14A,16A) for which sliding in the axial direction between the torque transmitting surface(s) of the mechanism (25) and the member(s) (14A,16A) is eliminated when the mechanism (25) is moved relative to the surfaces of the members (14A,16A) in the direction along the axis of the mechanism (25). This is achieved by dividing the torque transmitting surfaces of the mechanism (25) into several segments (30A, B, C, D), where during any instance a/the member(s) (14A,16A) is/are in contact with at least one segment (30A, B, C, D) and at least one segment (30A, B, C, D) is not in contact with any member (14A,16A). During the rotation of the mechanism (25) the segments (30A, B, C, D) alternately come in and out of contact with the members (14A,16A). When the mechanism (25) is being moved to a new desired axial position, only the segments (30A, C) not in contact with a member (14A,16A) will be moved, while the segments (30B, D) contact with a member (14A,16A) will be moved after the mechanism (25) has rotated so that the segments (30A, B) that were in contact with a member (14A,16B) are free.

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patent: WO 93/02302 (1991-07-01), None

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