Threaded ring and nut variable target size sawguides for circula

Details Threaded ring and nut variable target size sawguides for circula Threaded ring and nut variable target size sawguides for circula

1996-12-11

1998-09-22

Jones, Eugenia

Cutting

Means to drive or to guide tool

Guide

834254, 835083, 83828, B27B 529

Patent

active

058098593

ABSTRACT:
A device for positioning sawguides for circular gang saws includes a first shaft rotatable about a first axis, an annular gear having an outer surface and a concentric threaded inner surface and rotatable in a first plane about a second axis, the first plane generally perpendicular to the second axis, the first shaft rotatably engagable with the outer surface of the annular gear wherein rotation of the first shaft about the first axis rotates the annular gear about the second axis, the annular gear journalled on and coaxial with a second shaft lying along the second axis, a collar slidably mounted on the second shaft and adapted for non-rotational longitudinal sliding along the second shaft, the collar having an outer threaded surface concentric with the threaded inner surface on the annular gear for journalled threaded engagement therein whereby rotation of the annular gear by the first shaft causes longitudinal translation of the collar along the second axis relative to the annular gear, first and second pairs of sawguides slidably mounted on the second shaft for longitudinal sliding thereon on opposed sides of the annular gear and the collar, the first pair of sawguides adjacent the annular gear, the second pair of sawguides adjacent the collar, and an actuator for urging the first and second pairs of sawguides slidably towards each other along the second shaft against the annular gear and the collar respectively, whereby the longitudinal translation of the collar along the second shaft relative to the annular gear causes relative longitudinal translation between the first and second pairs of sawguides on the second shaft.

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