US2855679A - Gage attachment for drills - Google Patents
Gage attachment for drills Download PDFInfo
- Publication number
- US2855679A US2855679A US545659A US54565955A US2855679A US 2855679 A US2855679 A US 2855679A US 545659 A US545659 A US 545659A US 54565955 A US54565955 A US 54565955A US 2855679 A US2855679 A US 2855679A
- Authority
- US
- United States
- Prior art keywords
- drill
- casing
- light
- holes
- drilled
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/021—Construction of casings, bodies or handles with guiding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
- B25H1/0078—Guiding devices for hand tools
- B25H1/0092—Guiding devices for hand tools by optical means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/21—Cutting by use of rotating axially moving tool with signal, indicator, illuminator or optical means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/96—Miscellaneous
- Y10T408/98—Drill guide
Definitions
- This invention relates to a visible gage for indicating the position of an electric drill when boring a hole.
- the object of the present invention is to provide a simple visible means of assuring the user that the drill is held normal to the surface in which the hole is being made.
- Figure 1 is a side elevation partly in section of a drill showing the gap device as an attachment to be clamped over the end of the drill.
- Figure 2 is an end view of the device shown in Figure 1.
- Figure 3 is a detail showing the invention as built into the drill.
- Figure 4 is a representation of the pattern of light spots as shown on the surface to be drilled when the drill is normal to that surface.
- Figure 5 is a pattern of light spots as shown when the drill is held in a position which is in normal to the surface to be drilled.
- a hand drill 8 with the usual grip 9, trigger 10 and chuck 11 is shown with the chuck centered on the motor casing. It is, of course, possible to make the attachment for those drills where the chuck is not centered on a motor casing.
- a casing 12 formed of sheet metal and having a slot 13 is adapted to fit over the end of the drill 8 and to be held in position by a screw 14 and wing nut 15 engaging the extended ears 16.
- the forward end of the casing is bent to form the housing 17 for a circular light bulb 18 connected to a source of electricity by the cord 19 and operating on the same current which operates the motor.
- the forward wall of the housing 17 is formed with a series of circular holes 19 concentric with the chuck 11.
- a partition wall 20 having holes 21 similarly arranged to the holes 19 serves to direct the rays of light to produce a distinct pattern without distortion on the workpiece.
- the motor casing 22 of a drill similar to that shown in Figure l is provided with screw threads 23 to receive a casing 24.
- the front wall of this casing is provided with holes 25 similar to the holes 19 of Figure l and the casing is provided with a light bulb 26 similar to the light bulb 18.
- a similar partition 30 directs the light rays through the holes 31.
- Figure 3 is built into the casing of the drill while Figure l is an attachment which may be secured to the outside of the drill.
- the bulb 18 will light upon the plugging in of the drill and the drill positioned as shown at 28 in Figure 4.
- a series of illuminated spots 29 will be shown concentric with the drill on the surface which is being drilled when the drill is held in a position normal to said surface.
- the spots of light 31 will form an oval ring around the hole being drilled which is at once apparent to the eye and by tilting the drill in the right direction the circle of light dots can be made concentric.
- An attachment for a hand held electric drill comprising a casing formed with a plurality of spaced pairs of holes arranged in a circle concentric with the drill, a light source in said casing to direct the rays of light through said holes to provide a circular gauge pattern of light spots on the surface being drilled.
- An attachment for a hand held electric drill comprising a casing formed with spaced partitions, each with a plurality of holes arranged in circles concentric with the drill, a circular light source in said casing to direct the rays of light through said holes to provide a circular gauge pattern of light spots on the surface being drilled.
- An attachment for a hand held electric drill comprising a casing formed with a plurality of holes arranged in a circle concentric with the drill, a light source in said casing, means between said light source and said holes to screen all except rays of light substantially parallel to said drill, whereby a sharp clear image of lighted spots in the form of a circle when the drill is perpendicular to the surface being drilled is projected on the surface of the work being drilled.
- An attachment for a hand held electric drill comprising a casing formed with a plurality of holes arranged in a circle concentric with the drill, a light source in said casing, a shield interposed between said light source and said holes to screen all except rays of light substantially parallel to said drill, whereby a sharp clear image of lighted spots in the form of a circle when the drill is perpendicular to the surface being drilled is projected on the surface of the work being drilled.
- An attachment for a hand held electric drill comprising a casing formed with a plurality of holes arranged in a circle concentric with the drill, a light source in said casing, a shield formed with a plurality of holes equal in number and concentric with the holes of said casing and in alignment therewith, interposed between said light source and said holes to screen all except rays of light substantially parallel to said drill, whereby a sharp clear image of lighted spots is projected on the surface of the work being drilled.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Description
Oct. 14, 1958 H. G. GIBBLE GAGE ATTACHMENT FOR DRILLS Filed NOV. 8, 1955 FIG.
FIG. 2
INVENTOR HOWARD G. GIBBLE ATTORNEY United States Patent 2,855,619 GAGE ATTACHMENT FOR DRILLS Howard G. Gibble, Mount Joy, Pa. Application November 8, 1955, Serial No. 545,659 Claims. (Cl. 33-46) This invention relates to a visible gage for indicating the position of an electric drill when boring a hole.
In the use of an electric drill for boring holes in wood or metal, it is diflicult in the hand operated type to be sure that the drill is normal to the surface in which the hole is being drilled. It is, of course, possible to hold an angle against the surface and hold the drill parallel to that angle. As this should be done in two planes intersecting at right angles, it is a very ditficult job to be sure that the drill is in the correct position by this mechanical means.
The object of the present invention is to provide a simple visible means of assuring the user that the drill is held normal to the surface in which the hole is being made.
It is a further object of the present invention to provide I a visible circle of lighted dots around the hole to be made which, if the drill is held normal, represents a circle and which upon the slightest inclination of the drill from the normal will indicate an oval.
It is a further object to provide a built in chamber housing a parallel light bulb which will emit rays of light through a series of holes arranged in a circle around the drill so that a series of parallel spots is directed onto the surface to be drilled, said circle to be maintained concentric with the hole being drilled assure vertical drilling.
The invention is illustrated in the accompanying drawing in which:
Figure 1 is a side elevation partly in section of a drill showing the gap device as an attachment to be clamped over the end of the drill.
Figure 2 is an end view of the device shown in Figure 1.
Figure 3 is a detail showing the invention as built into the drill.
Figure 4 is a representation of the pattern of light spots as shown on the surface to be drilled when the drill is normal to that surface.
Figure 5 is a pattern of light spots as shown when the drill is held in a position which is in normal to the surface to be drilled.
Referring particularly to Figures 1 and 2, a hand drill 8 with the usual grip 9, trigger 10 and chuck 11 is shown with the chuck centered on the motor casing. It is, of course, possible to make the attachment for those drills where the chuck is not centered on a motor casing.
A casing 12 formed of sheet metal and having a slot 13 is adapted to fit over the end of the drill 8 and to be held in position by a screw 14 and wing nut 15 engaging the extended ears 16.
The forward end of the casing is bent to form the housing 17 for a circular light bulb 18 connected to a source of electricity by the cord 19 and operating on the same current which operates the motor. The forward wall of the housing 17 is formed with a series of circular holes 19 concentric with the chuck 11. Directly in front of the light bulb 18, a partition wall 20 having holes 21 similarly arranged to the holes 19 serves to direct the rays of light to produce a distinct pattern without distortion on the workpiece.
Referring particularly to Figure 3, the motor casing 22 of a drill similar to that shown in Figure l is provided with screw threads 23 to receive a casing 24. The front wall of this casing is provided with holes 25 similar to the holes 19 of Figure l and the casing is provided with a light bulb 26 similar to the light bulb 18. A similar partition 30 directs the light rays through the holes 31. The
difference between the form shown in Figure 3 and Figure 1 is that Figure 3 is built into the casing of the drill while Figure l is an attachment which may be secured to the outside of the drill.
In using the drill the bulb 18 will light upon the plugging in of the drill and the drill positioned as shown at 28 in Figure 4. A series of illuminated spots 29 will be shown concentric with the drill on the surface which is being drilled when the drill is held in a position normal to said surface. Should the drill be held as shown at 30 in Figure 5, the spots of light 31 will form an oval ring around the hole being drilled which is at once apparent to the eye and by tilting the drill in the right direction the circle of light dots can be made concentric.
It will thus be seen that this forms a quick visible gage by which the user of an electric drill can assure himself that the hole being drilled is at right angles to the surface in which it is being drilled.
What is claimed is:
1. An attachment for a hand held electric drill comprising a casing formed with a plurality of spaced pairs of holes arranged in a circle concentric with the drill, a light source in said casing to direct the rays of light through said holes to provide a circular gauge pattern of light spots on the surface being drilled.
2. An attachment for a hand held electric drill comprising a casing formed with spaced partitions, each with a plurality of holes arranged in circles concentric with the drill, a circular light source in said casing to direct the rays of light through said holes to provide a circular gauge pattern of light spots on the surface being drilled.
3. An attachment for a hand held electric drill comprising a casing formed with a plurality of holes arranged in a circle concentric with the drill, a light source in said casing, means between said light source and said holes to screen all except rays of light substantially parallel to said drill, whereby a sharp clear image of lighted spots in the form of a circle when the drill is perpendicular to the surface being drilled is projected on the surface of the work being drilled.
4. An attachment for a hand held electric drill comprising a casing formed with a plurality of holes arranged in a circle concentric with the drill, a light source in said casing, a shield interposed between said light source and said holes to screen all except rays of light substantially parallel to said drill, whereby a sharp clear image of lighted spots in the form of a circle when the drill is perpendicular to the surface being drilled is projected on the surface of the work being drilled.
5. An attachment for a hand held electric drill comprising a casing formed with a plurality of holes arranged in a circle concentric with the drill, a light source in said casing, a shield formed with a plurality of holes equal in number and concentric with the holes of said casing and in alignment therewith, interposed between said light source and said holes to screen all except rays of light substantially parallel to said drill, whereby a sharp clear image of lighted spots is projected on the surface of the work being drilled.
References Cited in the file of this patent UNITED STATES PATENTS 1,601,354 Elverson Sept. 28, 1926 1,826,004 Key Oct. 6, 1931 1,958,456 Warren May 15, 1934 2,072,286 Wellington Mar. 2, 1937 2,525,588 Cameron et al. Oct. 10, 1950 2,659,824 Burnham Nov. 17, 1953 2,670,427 Barlet et al. Feb. 23, 1954 FOREIGN PATENTS 842,835 Germany July 3, 1952
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US545659A US2855679A (en) | 1955-11-08 | 1955-11-08 | Gage attachment for drills |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US545659A US2855679A (en) | 1955-11-08 | 1955-11-08 | Gage attachment for drills |
Publications (1)
Publication Number | Publication Date |
---|---|
US2855679A true US2855679A (en) | 1958-10-14 |
Family
ID=24177076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US545659A Expired - Lifetime US2855679A (en) | 1955-11-08 | 1955-11-08 | Gage attachment for drills |
Country Status (1)
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US (1) | US2855679A (en) |
Cited By (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3906640A (en) * | 1974-08-19 | 1975-09-23 | Hector M Sosa | Drilling alignment device for electric hand drills |
US4078869A (en) * | 1977-01-17 | 1978-03-14 | Honeycutt Damon P | Two-way right angle drill |
US5412546A (en) * | 1994-07-20 | 1995-05-02 | Huang; Chen S. | Power wrench |
US5473519A (en) * | 1995-03-09 | 1995-12-05 | Ingersoll-Rand Company | Light ring for power tools |
US5525842A (en) * | 1994-12-02 | 1996-06-11 | Volt-Aire Corporation | Air tool with integrated generator and light ring assembly |
US5611797A (en) * | 1995-07-26 | 1997-03-18 | Virginia C. George | Combination handpiece and surgical laser tool |
WO1999002310A2 (en) * | 1997-07-10 | 1999-01-21 | Avos Developments Limited | Illumination for power tools |
US6328505B1 (en) * | 2000-03-27 | 2001-12-11 | Howard Gibble | Drill guiding device |
US6559405B2 (en) | 2001-06-12 | 2003-05-06 | General Electric Company | Positioning device for welding electrode |
US6565227B1 (en) * | 2001-11-13 | 2003-05-20 | Greg Davis | Method and device for tool alignment |
GB2385293A (en) * | 2002-02-15 | 2003-08-20 | Bae Systems Plc | Image projector for tool positioning |
EP1384091A2 (en) * | 2001-02-22 | 2004-01-28 | Toolz, Ltd. | Detecting tool orientation alignment depth and leveling |
US20040032587A1 (en) * | 2002-08-15 | 2004-02-19 | Garcia Jaime E. | Optical alignment system for power tool |
US20040093749A1 (en) * | 2002-11-19 | 2004-05-20 | Shuming Wu | Auxiliary handle with a laser alignment device for drills |
ES2219195A1 (en) * | 2004-03-31 | 2004-11-16 | Francis Raluy | Alignment device for machine tool, has display device arranged in interior of surface, and turning device connected with working machine, where display device is connected with mouth of working machine |
US20050025599A1 (en) * | 2000-02-17 | 2005-02-03 | Credo Technology Corporation | Power tool with light emitting diode |
US20050047878A1 (en) * | 2003-08-26 | 2005-03-03 | Credo Technology Corporation | Tool chuck having a light transmitting capability |
US20050081364A1 (en) * | 2003-01-08 | 2005-04-21 | Credo Technology Corporation | Attachment for power tool |
US20050132589A1 (en) * | 2003-12-22 | 2005-06-23 | Johnson Robert F. | Visual alignment aid for handheld tools |
US20050157489A1 (en) * | 2002-01-21 | 2005-07-21 | Katsuhiro Oomori | Power tool |
US20060112581A1 (en) * | 2004-12-01 | 2006-06-01 | Bernhard Nortmann | Alignment guide for a power tool |
US7073268B1 (en) | 2002-04-18 | 2006-07-11 | Black & Decker Inc. | Level apparatus |
US7137327B2 (en) | 2002-10-31 | 2006-11-21 | Black & Decker Inc. | Riving knife assembly for a dual bevel table saw |
US20070022595A1 (en) * | 2003-01-08 | 2007-02-01 | Credo Technology Corporation | Attachment for power tool |
US20070030486A1 (en) * | 2005-08-08 | 2007-02-08 | Daniel Gelbart | Laser centering jig |
US7243440B2 (en) | 2004-10-06 | 2007-07-17 | Black & Decker Inc. | Gauge for use with power tools |
US7290474B2 (en) | 2003-04-29 | 2007-11-06 | Black & Decker Inc. | System for rapidly stopping a spinning table saw blade |
WO2007141081A1 (en) | 2006-06-06 | 2007-12-13 | Robert Bosch Gmbh | Hand-held machine tool with means for perpendicular alignment |
US7346847B2 (en) | 2002-04-18 | 2008-03-18 | Black & Decker Inc. | Power tool control system user interface |
US7359762B2 (en) | 2002-04-18 | 2008-04-15 | Black & Decker Inc. | Measurement and alignment device including a display system |
US7369916B2 (en) | 2002-04-18 | 2008-05-06 | Black & Decker Inc. | Drill press |
US20080169277A1 (en) * | 2007-01-16 | 2008-07-17 | Illinois Tool Works Inc. | Lighted welding torch |
US20080197116A1 (en) * | 2007-02-20 | 2008-08-21 | Illinois Tool Works Inc. | Tig welding system and method |
US20090256319A1 (en) * | 2008-04-09 | 2009-10-15 | Seymour Daniel R | Quick change chuck with led lighting |
US20090260239A1 (en) * | 2008-04-17 | 2009-10-22 | John Cerwin | Rotary Boring Tool Alignment and Depth Indication System |
US7926398B2 (en) | 2002-06-19 | 2011-04-19 | Black & Decker Inc. | Cutter with optical alignment system |
US8004664B2 (en) | 2002-04-18 | 2011-08-23 | Chang Type Industrial Company | Power tool control system |
US8317350B2 (en) | 2009-02-25 | 2012-11-27 | Black & Decker Inc. | Power tool with a light for illuminating a workpiece |
US8328381B2 (en) | 2009-02-25 | 2012-12-11 | Black & Decker Inc. | Light for a power tool and method of illuminating a workpiece |
EP2687338A1 (en) * | 2012-07-19 | 2014-01-22 | Black & Decker Inc. | Lighted Power Tool |
US8820955B2 (en) | 2009-02-25 | 2014-09-02 | Black & Decker Inc. | Power tool with light emitting assembly |
US9028088B2 (en) | 2010-09-30 | 2015-05-12 | Black & Decker Inc. | Lighted power tool |
US9242355B2 (en) | 2012-04-17 | 2016-01-26 | Black & Decker Inc. | Illuminated power tool |
US10207380B2 (en) | 2016-12-09 | 2019-02-19 | Black & Decker Inc. | Power tool and light unit |
EP3302880A4 (en) * | 2015-06-05 | 2019-04-03 | Ingersoll-Rand Company | Lighting systems for power tools |
US11260517B2 (en) | 2015-06-05 | 2022-03-01 | Ingersoll-Rand Industrial U.S., Inc. | Power tool housings |
US11491616B2 (en) | 2015-06-05 | 2022-11-08 | Ingersoll-Rand Industrial U.S., Inc. | Power tools with user-selectable operational modes |
US11511402B2 (en) | 2019-03-26 | 2022-11-29 | Black & Decker Inc. | Screwdriver and tool holder |
US11602832B2 (en) | 2015-06-05 | 2023-03-14 | Ingersoll-Rand Industrial U.S., Inc. | Impact tools with ring gear alignment features |
US20230278122A1 (en) * | 2020-12-18 | 2023-09-07 | Ridge Tool Company | Pipe threading mechanisms and systems |
US11784538B2 (en) | 2015-06-05 | 2023-10-10 | Ingersoll-Rand Industrial U.S., Inc. | Power tool user interfaces |
US12059780B2 (en) | 2010-09-30 | 2024-08-13 | Black & Decker Inc. | Lighted power tool |
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-
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Cited By (83)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3906640A (en) * | 1974-08-19 | 1975-09-23 | Hector M Sosa | Drilling alignment device for electric hand drills |
US4078869A (en) * | 1977-01-17 | 1978-03-14 | Honeycutt Damon P | Two-way right angle drill |
US5412546A (en) * | 1994-07-20 | 1995-05-02 | Huang; Chen S. | Power wrench |
USRE36917E (en) * | 1994-12-02 | 2000-10-17 | Volt-Aire Corporation | Air tool |
US5525842A (en) * | 1994-12-02 | 1996-06-11 | Volt-Aire Corporation | Air tool with integrated generator and light ring assembly |
US5801454A (en) * | 1994-12-02 | 1998-09-01 | Leininger; Jon J. | Air tool |
US5473519A (en) * | 1995-03-09 | 1995-12-05 | Ingersoll-Rand Company | Light ring for power tools |
US5611797A (en) * | 1995-07-26 | 1997-03-18 | Virginia C. George | Combination handpiece and surgical laser tool |
AU740537B2 (en) * | 1997-07-10 | 2001-11-08 | Avos Developments Limited | Illumination for power tools |
WO1999002310A3 (en) * | 1997-07-10 | 1999-04-01 | Avos Dev Ltd | Illumination for power tools |
WO1999002310A2 (en) * | 1997-07-10 | 1999-01-21 | Avos Developments Limited | Illumination for power tools |
US6890135B2 (en) | 2000-02-17 | 2005-05-10 | Credo Technology Corporation | Power tool with light emitting diode |
US7094011B2 (en) | 2000-02-17 | 2006-08-22 | Credo Technology Corporation | Power tool |
US20050166741A1 (en) * | 2000-02-17 | 2005-08-04 | Credo Technology Corporation | Power tool |
US20050025599A1 (en) * | 2000-02-17 | 2005-02-03 | Credo Technology Corporation | Power tool with light emitting diode |
US6328505B1 (en) * | 2000-03-27 | 2001-12-11 | Howard Gibble | Drill guiding device |
EP1384091A4 (en) * | 2001-02-22 | 2009-07-08 | Robert Bosch Co Ltd | Detecting tool orientation alignment depth and leveling |
EP1384091A2 (en) * | 2001-02-22 | 2004-01-28 | Toolz, Ltd. | Detecting tool orientation alignment depth and leveling |
US6559405B2 (en) | 2001-06-12 | 2003-05-06 | General Electric Company | Positioning device for welding electrode |
US6565227B1 (en) * | 2001-11-13 | 2003-05-20 | Greg Davis | Method and device for tool alignment |
EP2511049A1 (en) * | 2002-01-21 | 2012-10-17 | Hitachi Koki Co., Ltd. | Power tool |
US7185998B2 (en) * | 2002-01-21 | 2007-03-06 | Hitachi Koki Co., Ltd. | Power tool |
US20070159812A1 (en) * | 2002-01-21 | 2007-07-12 | Katsuhiro Oomori | Power tool |
US7934847B2 (en) | 2002-01-21 | 2011-05-03 | Hitachi Koki Co., Ltd. | Power tool with light unit |
US20110199756A1 (en) * | 2002-01-21 | 2011-08-18 | Katsuhiro Oomori | Power Tool |
US20050157489A1 (en) * | 2002-01-21 | 2005-07-21 | Katsuhiro Oomori | Power tool |
US8517558B2 (en) | 2002-01-21 | 2013-08-27 | Hitachi Koki Co., Ltd. | Power tool |
GB2385293A (en) * | 2002-02-15 | 2003-08-20 | Bae Systems Plc | Image projector for tool positioning |
US8004664B2 (en) | 2002-04-18 | 2011-08-23 | Chang Type Industrial Company | Power tool control system |
US7073268B1 (en) | 2002-04-18 | 2006-07-11 | Black & Decker Inc. | Level apparatus |
US7359762B2 (en) | 2002-04-18 | 2008-04-15 | Black & Decker Inc. | Measurement and alignment device including a display system |
US7346847B2 (en) | 2002-04-18 | 2008-03-18 | Black & Decker Inc. | Power tool control system user interface |
US7369916B2 (en) | 2002-04-18 | 2008-05-06 | Black & Decker Inc. | Drill press |
US7926398B2 (en) | 2002-06-19 | 2011-04-19 | Black & Decker Inc. | Cutter with optical alignment system |
US20040032587A1 (en) * | 2002-08-15 | 2004-02-19 | Garcia Jaime E. | Optical alignment system for power tool |
US6937336B2 (en) | 2002-08-15 | 2005-08-30 | Black & Decker, Inc. | Optical alignment system for power tool |
US7137327B2 (en) | 2002-10-31 | 2006-11-21 | Black & Decker Inc. | Riving knife assembly for a dual bevel table saw |
US20040093749A1 (en) * | 2002-11-19 | 2004-05-20 | Shuming Wu | Auxiliary handle with a laser alignment device for drills |
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