Back to results
US 9,120,162 B2Granted
Hole saw with interchangeable cutting blades
OwnerKym John Keightleyinventor
Life of this patent
Estimating the term…
Abstract
A hole saw having a central body portion adapted to receive a hole saw blade portion. The body and the blade have correspondingly shaped apertures and lugs that co-operate together to hold the blade in place. A locking means further assists in ensuring that the blade remains locked to the body and includes a sliding klatch that engages an aperture in the blade and the body and is itself locked in place to thereby lock the blade to the body.
Claims2
A hole saw including a blade and a body:
- the hole saw blade including a cylinder extending longitudinally from a base;
- wherein the hole saw blade is removably attached to the hole saw body;
- and
- both the hole saw blade and the hole saw body include extending lugs adapted to engage each other and include a circumferential groove extending around the hole saw body and the hole saw blade and adapted to be engaged by a circlip thereby locking the hole saw blade to the hole saw body.
1 more element
Dependencies are inferred from the claim text.