GB2294653A - Side mounted drill guide - Google Patents

Side mounted drill guide Download PDF

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Publication number
GB2294653A
GB2294653A GB9422281A GB9422281A GB2294653A GB 2294653 A GB2294653 A GB 2294653A GB 9422281 A GB9422281 A GB 9422281A GB 9422281 A GB9422281 A GB 9422281A GB 2294653 A GB2294653 A GB 2294653A
Authority
GB
United Kingdom
Prior art keywords
drill
cla
drill guide
target
attachment collar
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.)
Granted
Application number
GB9422281A
Other versions
GB2294653B (en
GB9422281D0 (en
Inventor
Michael John Clarke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB9422281A priority Critical patent/GB2294653B/en
Publication of GB9422281D0 publication Critical patent/GB9422281D0/en
Publication of GB2294653A publication Critical patent/GB2294653A/en
Application granted granted Critical
Publication of GB2294653B publication Critical patent/GB2294653B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

An attachment collar 2 is mounted behind the chuck on a portable electric drill. A spring-loaded rectangular-section sliding arm 4 extends forward from the attachment collar and carries an alignment plate with a square hole and a non-slip face. The alignment plate hole is centered on the drilling target spot and, as the drill is pushed towards the target, spring pressure an the alignment plate keeps the drill bit perpendicular to the target surface and in line with the target spot. <IMAGE>

Description

SIDE MOUNTED DRILL GUIDE This invention relatea to a Side @ounted Drill Guide.
Portable e@ectric drills are convenient tools which are used hand-held to drill holes in a variety of materials.
However, there are two m@jor pron@e@@. Fi@st@@@ when u@@d to d@ill into hard su@@a@es it can b@ ve@y diff@@u@@ to prevent the drill bit from @@@@@@ng off the target s@ot. S@@@@@@y, @@ @s n@t poss bl@ @o @ccurat@ly hold the d@@@@ @@@@@@dicu@@@ t@ the wor@ing su@face.
A@@@@@@ng @@ the pr@sent invention @here i@ pr@@ided - ml ding arm which locates into a @ollar fa@tened around the drill immedi@tely @@@@@@ @@@ chu@@. The arm is spring-@oacded an@ ra@ta@@@@ar @@ @@@ti@@. At the for@ard end of the @@@ @@ @t@@@@@@ @@ alignment plate with a non-@l@p face and a square h@le which is used to position the drill bit acc@rately over the target spot for drilling.
In operation, the face of the alignment plate is rested flat on the target surface. Forward pressure on the drill then causes the @l@ding ar@ to pass through the attachment collar allowing the drill bit to pass through the a@@gnment plate hol@ and into the target surface. However before the drill has contacted the surface the spring pressure on the sliding arm holds the alignment plate, the drill and the werking surface fi@m@y tog@the@.
This a@tion resist@ any tendency for the drill to be deflected off target and enables it to be h@ld perpendicular to the target surface.
The sliding arm may be permanently att@ched to @t@ @u@po@ting collar or may be d@tachable from it.
The s@@po@ting collar may @@ simply a friction fit on@@ the body of the drill or may incorporate @ @la@@ bolt to retain it @n position. Th@ supporting collar may incorporate the steadying hand@e and/or a depth stop which are commonly attached to portable drills.
The @li@@ment plate may be @nt@@@@@@@@@@ @@ pr@@@@ for va@@@ng wi@@@@ @@ stance on @@@@@.
cu@@@@@ @@ @@@@@@ @h@p@d sur@accs.
A specific @mbodiment of the invention will now be destribed by way of example with reference t@ the accom@an@ing drawings in which @- Figure 1 shows, in perspective, viewed from a@ove, a portable electric drill with the alignment guide attached. The supporting collar als@ in@orporates a steadying h@@@le and depth gaug@.
R@ferr@ng to the drawing the coll@r 2 @s first att@@@ed to the drill 1, by passing it ov@r the ch@@@ and ont@ the @upporting sur@@@@. @@@ st@adying hand@e @ is @@@@ twi@t@@ @ @@@@@@ @@ ti@@@@@ @@@ th@@@@@@@@@t an@ fix @@@ @@@@ar @@ @@ace. The s@@ @g arm a@@em@ly 4 is t@@@ @@@@ @@@@ it@ @@@tangul@@ l@@ating hole @@ @@e @@ @@@ Figure 2 shows the alig@ment g@i@e i@@@@er @@ t@@ target surface with the @ou@re h@. @ @@ the slate loc@ted over the target spot (a @r@@@ @@@ @@@ the targ@t @@st is a@ig@ed in the hol@@. D@@@@@@d pressure on the drill body against the re@istance of the @@ring causes the alignment plate to firmly locate the drill bit perpendicular to the target surfa@@ before the drill bit contacts the target spot.
Figure 3 shows the alignment guide with t@@ alignment plate interchanged to a curved ont fo@ positioning on a cylindrical surface.

Claims (7)

1. A drill guide comprising an attach@ent coller which @@@@tes @ust behind the chuc@ on the body of a port@ble electric drill and to w@ @@ @@ @@ta@@ed a @@@tangular sectioned silding arm. The sliding arm has an attached alignment plate with a non-slip face and a s@uare hole for positioning the drill bit accuratel@ on the target @@@t for drilling. @ compres@ion spring is located on the @@@ding @@m betweer @ts @@@@nment plate and it@ atta@@ment collar.
2. @ @@@@l @u@ de @@ @@aim@d @@ Cla@m @ @@@@ @@@@ @@@ @@@@@@@ a@@ m@@ be @@@acheat@e from the @tt@@@ @@@ @@@@ar.
3 A @@@@@ @uide a@ @laimed in Cla@m @ o@ Claim @ wherein the oli@nment plate may be interchangea@@@.
providing for varying width@ of interchangeable, cur@oe o@ other @@aoei surfaces.
4. A drili guide as cla@med in the preceding Claims wherein the attachment collar incorporates a cla@@ b@lt to fix it in position on the drill.
5. A drill guide as claimed in the preceding Claims wherein the attachment collar incorporates a steadying handle.
6. A drill guide as claimed in the preceding Claims wherein the attachment collar incorporates a depth gauge.
7. A drill guide substantially as described @ere@@ with rofor@nce to @igures 1 - 3 of the accompanving d@@@@n ,
GB9422281A 1994-11-04 1994-11-04 Side mounted drill guide Expired - Fee Related GB2294653B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9422281A GB2294653B (en) 1994-11-04 1994-11-04 Side mounted drill guide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9422281A GB2294653B (en) 1994-11-04 1994-11-04 Side mounted drill guide

Publications (3)

Publication Number Publication Date
GB9422281D0 GB9422281D0 (en) 1994-12-21
GB2294653A true GB2294653A (en) 1996-05-08
GB2294653B GB2294653B (en) 1997-11-19

Family

ID=10763905

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9422281A Expired - Fee Related GB2294653B (en) 1994-11-04 1994-11-04 Side mounted drill guide

Country Status (1)

Country Link
GB (1) GB2294653B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009007977A1 (en) 2009-02-06 2009-07-23 Konrad, Hilmar, Dipl.-Ing. Angular deviation indicating method for e.g. drilling machine, involves comparing current detected rotation angle value continuously with reference valve, and indicating comparison result as measure of angle deviation
US7794184B2 (en) * 2005-05-19 2010-09-14 Robert Bosch Gmbh Dust catcher
CN102814529A (en) * 2012-08-27 2012-12-12 西北工业大学 Automatic drilling compressing device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106964818A (en) * 2016-01-13 2017-07-21 哈尔滨飞机工业集团有限责任公司 A kind of drill bit stopping means
CN107971532A (en) * 2017-12-18 2018-05-01 何镜朋 A kind of portable processing guidance set
CN108356328A (en) * 2018-04-27 2018-08-03 东莞市迪蒙数控机械有限公司 A kind of drilling machine guide frame

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1489240A (en) * 1973-08-10 1977-10-19 Boyajian Alfred Drill guide
EP0012711A1 (en) * 1978-12-04 1980-06-25 Willy Fluckiger Centering and drilling device with retractable bushing for a drill

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1489240A (en) * 1973-08-10 1977-10-19 Boyajian Alfred Drill guide
EP0012711A1 (en) * 1978-12-04 1980-06-25 Willy Fluckiger Centering and drilling device with retractable bushing for a drill

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7794184B2 (en) * 2005-05-19 2010-09-14 Robert Bosch Gmbh Dust catcher
DE102009007977A1 (en) 2009-02-06 2009-07-23 Konrad, Hilmar, Dipl.-Ing. Angular deviation indicating method for e.g. drilling machine, involves comparing current detected rotation angle value continuously with reference valve, and indicating comparison result as measure of angle deviation
DE102009007977B4 (en) * 2009-02-06 2019-10-31 Hilmar Konrad Hand tool with rotation rate sensor
CN102814529A (en) * 2012-08-27 2012-12-12 西北工业大学 Automatic drilling compressing device

Also Published As

Publication number Publication date
GB2294653B (en) 1997-11-19
GB9422281D0 (en) 1994-12-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001102