AU2011221402B2 - Drill hole depth limiting device - Google Patents
Drill hole depth limiting deviceInfo
- Publication number
- AU2011221402B2 AU2011221402B2 AU2011221402A AU2011221402A AU2011221402B2 AU 2011221402 B2 AU2011221402 B2 AU 2011221402B2 AU 2011221402 A AU2011221402 A AU 2011221402A AU 2011221402 A AU2011221402 A AU 2011221402A AU 2011221402 B2 AU2011221402 B2 AU 2011221402B2
- Authority
- AU
- Australia
- Prior art keywords
- skirt
- spindle
- hole
- set screw
- drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A depth limiting device (10) is provided for use with a rotary drilling tool in drilling a hole in a workpiece to a depth limited by the device. The device (10) includes a skirt (12) adapted to frictionally engage the workpiece at the completion of the drilling of the hole, a spindle (14) located axially through the skirt and having one end for connection to a gripping device of the rotary drilling tool, and an opposite end for retaining a hole forming drill bit at a precise position corresponding to the required depth of hole to be drilled in the workpiece. The spindle (14) provides a rotatable mounting for the skirt (12), but the spindle (14) and skirt (12) are jointly rotatable during the drilling of the hole. The device (10) also includes means for isolating the rotation of the spindle (14) from the skirt (12) when the skirt is frictionally engaged with the workpiece whereupon the skirt ceases to rotate. A set screw (44) is retained radially in the spindle (14) for removably attaching the skirt (12) to the spindle (14), and there is a cut-out portion (24) of the skirt (12) which enables access to the set screw. In use, the skirt (12) is manually rotatably positioned relative to the spindle (14) so that the set screw (44) is covered by the Skirt (12) during the drilling of the hole to prevent the build-up of debris on or around the set screw, but is manually repositioned after the drilling of the hole by rotating the skirt (12) relative to the spindle (14) so as to expose the set screw (44) through the cut-out portion (24) of the skirt, thereby enabling access to the set screw. E-=5 12ur
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2011221402A AU2011221402B2 (en) | 2011-09-09 | 2011-09-09 | Drill hole depth limiting device |
ZA2011/07679A ZA201107679B (en) | 2011-09-09 | 2011-10-20 | Drill hole depth limiting device |
IL216805A IL216805A0 (en) | 2011-09-09 | 2011-12-07 | Drill hole depth limiting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2011221402A AU2011221402B2 (en) | 2011-09-09 | 2011-09-09 | Drill hole depth limiting device |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2011221402A1 AU2011221402A1 (en) | 2013-03-28 |
AU2011221402B2 true AU2011221402B2 (en) | 2016-07-21 |
Family
ID=46179426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2011221402A Active AU2011221402B2 (en) | 2011-09-09 | 2011-09-09 | Drill hole depth limiting device |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2011221402B2 (en) |
IL (1) | IL216805A0 (en) |
ZA (1) | ZA201107679B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104084625A (en) * | 2014-07-10 | 2014-10-08 | 遵义长征电器防爆设备有限责任公司 | Adjustable step drill bit |
TWI579078B (en) * | 2015-03-23 | 2017-04-21 | 陸同五金機械有限公司 | Limiting sleeve structure |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7258513B2 (en) * | 2005-05-10 | 2007-08-21 | Paul Gertner | Depth limiting device and hole forming apparatus containing the same |
US20100260565A1 (en) * | 2009-02-24 | 2010-10-14 | Black & Decker Inc. | Depth Gauge For Drill Bit |
US8876444B1 (en) * | 2010-06-02 | 2014-11-04 | Besarion Chanturidze | Depth limiting device for a boring tool |
-
2011
- 2011-09-09 AU AU2011221402A patent/AU2011221402B2/en active Active
- 2011-10-20 ZA ZA2011/07679A patent/ZA201107679B/en unknown
- 2011-12-07 IL IL216805A patent/IL216805A0/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7258513B2 (en) * | 2005-05-10 | 2007-08-21 | Paul Gertner | Depth limiting device and hole forming apparatus containing the same |
US20100260565A1 (en) * | 2009-02-24 | 2010-10-14 | Black & Decker Inc. | Depth Gauge For Drill Bit |
US8876444B1 (en) * | 2010-06-02 | 2014-11-04 | Besarion Chanturidze | Depth limiting device for a boring tool |
Also Published As
Publication number | Publication date |
---|---|
AU2011221402A1 (en) | 2013-03-28 |
IL216805A0 (en) | 2012-03-29 |
ZA201107679B (en) | 2013-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGA | Letters patent sealed or granted (standard patent) |