Boring bar

Details Boring bar Boring bar

B - Operations, Transporting

23

B

77/37

B23B 47/18 (2006.01) B23B 29/034 (2006.01) B23B 51/00 (2006.01)

Patent

CA 1109299

TITLE OF THE INVENTION BORING BAR ABSTRACT OF THE DISCLOSURE A collapsible boring bar is disclosed having radially movable tool units on its outer periphery. The tool units are moved radially by an axially slidable ramp means that acts on cylindrically shaped rollers. The ramp means are located in grooves formed in a tapered spacer element that is located within the head of the boring bar.

344112

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