Adjustable boring tool

Details Adjustable boring tool Adjustable boring tool

B - Operations, Transporting

23

B

77/36

B23B 29/00 (2006.01) B23B 29/034 (2006.01) B23B 41/00 (2006.01)

Patent

CA 1204953

ADJUSTABLE BORING TOOL Abstract A boring tool is disclosed capable of positioning a tool element between a radial cutting position and a radial retracted position out of contact with the finished workpiece bore to avoid tool mark formation on the finished bore during tool withdrawal. The boring tool is simple and low cost in construction and includes a resilient tool-carrying member which extends transversely of the spindle axis in cantilever fashion for deflection by a spindle draw bar relative to a stop means on a fixed support member attachable to the spindle. During boring, the tool-carrying member is in deflecting engagement with the drawbar and, in conjunction with stop means, positions the tool thereon in a radial cutting position. For tool withdrawal, deflecting engagement is released so that the resiliency of the tool-carrying member positions the tool in a radial retracted position out of contact with the finished workpiece bore.

426193

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