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US 2026/0034590 A1Published application
Cutout-Plug-Easy-Release Hole Saw
OwnerZhong Liuinventor
Life of this patent
Estimating the term…
Abstract
This invention is an improvement to the hole-cutting saw that is currently widely available in the market. A tiny cutting blade attached to the bottom inner wall of the hole saw to help shave out diameter of the cutout plug, and cone shaped pilot drill bit to reduce the friction between cutout plug and pilot drill bit. End result is the quick, easy separation of cutout plug from hole saw.
Claims2
A circular saw with triangular shaped cutting blade bit on the inner wall of the circular saw cylinder, right at the bottom of the hole saw's teeth line.
A cone shaped pilot drill bit.
Dependencies are inferred from the claim text.