Boring tool

Details Boring tool Boring tool

B - Operations, Transporting

23

B

77/37

B23B 29/02 (2006.01) B23B 29/034 (2006.01)

Patent

CA 1091481

ABSTRACT OF THE DISCLOSURE The head of the boring bar of a boring tool has a recess flanked by two toothed internal surfaces which extend forwardly and outwardly with respect to the axis of the bar and face each other. The bit carriers have toothed surfaces which engage the respective internal surfaces and are clamped against such internal surfaces by screws whose shanks extend into tapped bores of the head. The axes of the tapped bores make an acute angle or are parallel with the axis of the bar, depending on the diameter of the bar. Each carrier has an elongated slot for the shank of the respective clamping screw, and each carrier can be shifted lengthwise of the respective teeth by a discrete adjusting screw which meshes with the bar. - 1 -

323536

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