Boring Bar Allowing Direct Tuning
OwnerHsin-Tien CHANGinventor
Life of this patent
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Abstract
A boring bar that allows direct tuning includes a blade holder disposed at a terminal of a blade shaft; a blade central axis is disposed to the blade holder; another central axis for tuning is disposed at where by the side of blade holder; the tuning central axis and the central axis of execute angular deflection clockwise or counterclockwise to change precision of tuning amount.
Claims3
A boring bar allowing direct tuning comprising a boring bar, having at its terminal disposed with a blade holder to accommodate a blade, the blade holder being defined a blade central axis, a screw hole being disposed along the central axis of the blade, and the blade being locked with a fixation screw;
- a tuning central axis being defined by a side of the blade holder, the tuning central axis indicating an inclination with the blade central axis, a countersink and a screw hole being disposed along the tuning central axis, the screw hole being engaged by a tuning screw, indication scale being disposed on a top surface of the tuning screw;
- and multiple scales being disposed in rings to the peripheral of the countersink, a groove being provided on a head of the tuning screw to receive insertion by a tuning spacer, one side of the tuning spacer being related to a slope, a retainer extending from one end of the slope, and the retainer holding against a transfer recess disposed between the blade holder and the countersink to prevent the spacer from turning.
Dependencies are inferred from the claim text.