DRILL BIT WITH CHAMFERING FUNCTION
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Jan 2, 2020
app pub date -
Jun 27, 2018
filing date -
Jun 27, 2018
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A drill bit with chamfering function has a body, a chamfering blade, an abutting rod, an elastic element, an adjusting element, and a drill bit. The body is a hollow tube, and has an internal space, a blade opening, a pivot segment, and a connecting end. The chamfering blade is pivotally connected to the body, selectively extends out of the blade opening, and has a blade portion, a blade pivot portion, and an abutting portion. The abutting rod is disposed in the internal space and abuts against the abutting portion. The elastic element is disposed in the internal space and is compressed between the abutting rod and the adjusting element. The adjusting element is disposed in the internal space for adjusting an amount of compression of the elastic element. The drill bit is securely connected to the connecting end of the body.
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