Patent · US Active

Drilling apparatus and method

US9364903B2 · kind B2 · utility

3Cited by

45References

19Claims

0Family size

Assignee

Irwin Industrial Tool Company · US

Inventors

Ryan Hall · Charlotte, US
Rainer Eggers · Taufkirchen, DE
Kim Franklin · Statesville, US

Key dates

Filing date	Oct 11, 2013
Grant date	Jun 14, 2016
Priority date	—
Expiry date	Jul 31, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/566
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A drill bit has a shank adapted to be attached to a power tool and a cutting portion adapted to drill a hole in a material. A collar is spaced along the length of the drill bit to set a depth distance that the drill bit is allowed to be inserted into a material being drilled. The drill bit further comprises a first engagement structure. A sleeve comprises a second engagement structure that is releasably engageable with the first engagement structure. The sleeve further comprises a coupling mechanism for connecting the sleeve to a fastener driver.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.