The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 2012
Filed:
Mar. 06, 2008
James E. Pangerc, East Longmeadow, MA (US);
Joseph Thomas Novak, East Longmeadow, MA (US);
James E. Pangerc, East Longmeadow, MA (US);
Joseph Thomas Novak, East Longmeadow, MA (US);
Irwin Industrial Tool Company, Huntersville, NC (US);
Abstract
An arbor is provided for both quick change and standard hole saws. Each hole saw includes a central aperture and at least one drive pin aperture. The arbor comprises an arbor body including an end portion engageable within the central aperture, a drive shank opposite the end portion for engaging a power tool, and an axially extending pilot bit aperture for receiving either a quick change pilot bit or standard pilot bit. The arbor further comprises a drive pin plate having at least one drive pin receivable in a corresponding drive pin aperture of the hole saw for drivingly engaging the hole saw. The arbor further comprises a pilot bit mechanism having a first state for engaging a quick change pilot bit, a second state for engaging a standard pilot bit, and a third state for disengaging and releasing the inserted quick change or standard pilot bit from the arbor body.