WO2000054914A1 - An accessory for a hand drilling machine - Google Patents
An accessory for a hand drilling machine Download PDFInfo
- Publication number
- WO2000054914A1 WO2000054914A1 PCT/SE2000/000477 SE0000477W WO0054914A1 WO 2000054914 A1 WO2000054914 A1 WO 2000054914A1 SE 0000477 W SE0000477 W SE 0000477W WO 0054914 A1 WO0054914 A1 WO 0054914A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- roller
- accessory
- fork
- shaft
- mounting part
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 abstract description 6
- 238000000227 grinding Methods 0.000 abstract description 6
- 238000005498 polishing Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000007790 scraping Methods 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000008207 working material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
Definitions
- the present invention relates to a device intended as an accessory for hand drilling machines for executing cleaning, polishing, finishing jobs and other jobs of a similar kind.
- Hand or portable drilling machines are often included in the set of tools of a house owner. They are often used as a driving 5 source of various accessory tools and often have for this purpose a cylindrical attachment surface located near and around the output shaft of the machine. To the end of the output shaft which is most often provided with an external thread chucks and simple tools like brushes and grinding wheels can be directly attached. o Housings or frames of larger tools are attached to the cylindrical attachment surface and a rotating part of such a large tool is coupled to the output shaft of the hand drilling machine. Examples of such larger tools include circular saws, compass saws and hedge pruners .
- a polishing tool which is commercially available and is intended as an accessory for a hand drilling machine includes a roller having shaft journals, one of which is intended to be attached in the chuck of the drilling machine and the other one of which is rotatably mounted to a distant end of a bent part. 0 The other end of the bent part has an opening to be attached around the cylindrical attachment surface of the machine. In use, the operator holds the machine with one hand and the other hand grips around the middle portion of the bent part.
- SUMMARY 5 It is an object of the invention to provide an accessory to a hand drilling machine by means of which various operations of the types rough cleaning, scraping, grinding, polishing, finishing etc. can be comfortably executed.
- An accessory is thus intended for a driving machine which as is common includes an output shaft and an attachment surface.
- the accessory includes a roller having a working surface and a coupling between the roller and the output shaft of the driving machine.
- the roller is at its two ends rotatably mounted in the outermost ends of a fork-shaped unit.
- This unit then includes a mounting part for attachment to the attachment surface of the driving machine, the mounting part encloses a coupling between the output shaft of the machine and a transmission.
- the transmission is provided in or at the fork-shaped unit for transferring the rotary movement from the machine, through the coupling, to the roller.
- a prolongation part can be inserted between the driving machine and the mounting part and has one end formed like the end of the driving machine which includes its output shaft and another end formed like the mounting part of the fork-shaped unit.
- the accessory including the driving machine is suited for example the following jobs provided that a suitable working surface of the roller is used:
- Brushing stone surface e.g. outdoor to remove coatings of algae, moss Polishing large surface like floors and boat sides
- Figs. 1 and 2 are perspective views of an accessory for a hand drilling machine
- Fig. 3 is a sectional view of the accessory of Figs. 1 and 2
- Fig. 4 is a sectional view of a prolongation rod
- Fig. 5 is a perspective view of an alternative embodiment of an accessory for a hand drilling machine.
- DETAILED DESCRIPTION Figs . 1 and 2 are perspective views of an accessory for a hand drilling machine.
- the accessory includes a mounting part 1 being essentially a short pipe and having an interior, cylindrical surface which is intended to be attached around an attachment surface 2, see the sectional view of Fig. 3, at the neck of a hand drilling machine indicated at 3.
- a tightening device 5 at the entrance of the mounting part 1 includes a knob 7 by which the tightening device and thereby the mounting part 1 can be rigidly attached to the chassis or frame of the drilling machine.
- an operating handle 9 is attached to the cylindrical exterior surface of the mounting part 1 through a bent part 11 and a ring 13, the ring passing around the mounting part.
- the bent part 11 and the ring 13 are secured to each other at a screw 15, so that the bent part can be turned around the screw 15 and thereby around the ring 13.
- the handle 9 can be turned around an axis perpendicular to the axis of the mounting part 1 and to the direction of the output shaft of the drilling machine.
- the mounting part 1 continues into a transmission housing 17, the mounting part and the transmission housing forming one integrated part.
- the transmission housing 17 extends with a first portion 19 perpendicularly to the axis of the mounting part 1 and then continues in a second portion 21 parallel to the same axis. From the first portion 19 extends, also perpendicularly to the same shaft but in a direction opposite this portion, a third portion 23 in or along which an angular part 25 can slide.
- the angular part 25 includes an inner first portion 27 which mostly extends inside the third portion 23.
- a locking pin 29 passes through holes in the inner first portion of the angular part and in the third portion securing the angular part at a predetermined distance from the transmission housing 17.
- the angular part 25 also has a second outer portion 31 which projects perpendicularly from the first portion 27 and extends in parallel to the axis of the mounting part 1.
- the second outer portion 31 can be significantly thinner than the second portion 21 of the transmission housing and carries at its outermost end a screw 33 forming with its inner end a shaft journal .
- the screw 33 carries one end of a rotatable and driven roller 35 and passes into a hole 37 in this end of the roller.
- the hole is concentrically to the shaft of the roller, see the sectional s view of Fig. 3, and the screw carries a bearing 39 secured by a nut 40 and adapted to match the outer portion of the hole 37, the hole having a suitably located step.
- the roller 35 is rotatably mounted to the angular part 25.
- the other opposite end of the roller 35 has a contoured hole 41 in o which a rotatable shaft 43 engages for driving the roller.
- the hole or recess 41 can for example have the shape of a deep, short groove and the output end of driving shaft 43 has complementary shape such as having a flat shape.
- the rotatable shaft 43 is rotatably mounted in the second portion 21 of the transmission s housing 17 by bearings 45, 47 and carries and is rigidly connected to a toothed wheel 49.
- a toothed wheel 49 Around the toothed wheel 49 extends a toothed belt 51 which is driven by another toothed wheel 53.
- This toothed wheel 53 is rigidly attached to a shaft 55 which has a direction located exactly in aligned with the axis of 0 the output shaft of the drilling machine 3.
- the shaft 55 is by bearings 57, 59 rotatably mounted in the transmissions housing 17.
- the shaft 55 has a free input end which is contoured in a suitable way, such as having a hexagonal cross-section.
- This input end is coupled to a short intermediate shaft 60 having an 5 output end configured in a complementary way.
- the input end of the intermediate shaft 60 is coupled to the chuck 61 of the hand drilling machine for transferring the rotary movement of the output shaft of the drilling machine to the intermediate 0 shaft 60 and therefrom to the shaft 55 in the transmission housing 17.
- the toothed belt 51 is deflected at the angle of the transmission housing 17 at the continuation between its first and second portions by intermediate wheels 63 , 65 which freely rotate on a shaft 67. 5
- the roller 35 carries on its envelope surface a working material 69 as for example a cloth having e.g.
- polishing, grinding or scraping properties such as an abrasive-coated cloth, abrasive paper, grinding nylon sheet.
- the working material 69 can also have brushing properties and then for example be formed by short metal pins attached to a textile base.
- the working cloth 69 can be mounted on the roller by Velcro tapes, not shown.
- the working cloth can be applied as a strip helically wound around the envelope surface of the roller so that the edges of the strip are placed close to each other, the strip then having a Velcro tape at its inner surface opposite the abrasive surface and a mating Velcro tape being rigidly attached to the envelope surface of the roller.
- the roller 35 is partly enclosed by a protective case 71 which corresponds to a portion of the surface of an imaginary cylinder including approximately sector-shaped portions of the end surfaces of the imaginary cylinder and including an envelope surface corresponding to a strip-shaped portion of the envelope surface of the cylinder.
- the protective case 71 has holes in its end portions at the axis of the corresponding imaginary cylinder and through these holes the screw 33 and the driving shaft 49 of the roller 43 respectively pass.
- the protective case 71 can, against the force from friction washers 72 placed at both sides of its end surface at the screw 33, be turned around the axis of the roller to give it a suitable position when using the accessory.
- the prolongation part 81 has the shape of a pipe 83 having a front end configured to include an outer cylindrical attachment surface 85 in the same way as the attachment surface 2 of the drilling machine.
- the rear end is configured in the same way as the mounting part 1 of the tool unit as described above including a clamping device 5' and a tightening knob.
- a prolongation shaft 87 is provided which simply is an intermediate shaft like 60 but having a much greater length.
- the handle 9 including attachment devices can be configured so that it can be mounted on an arbitrary position on the pipe 83 for a comfortable operation of the driving machine including the mounted accessory.
- the accessory can alternatively be configured to have the shaft of the drilling machine parallel to the axis of the roller 35 as is shown in the sectional view of Fig. 5.
- the mounting part 1" is located to have a side directly at the first portion 19" of the transmission housing 17" so that the axis of the mounting part extends in parallel to the longitudinal direction of the first portion and thereby parallel to the rotation axis of the roller.
- the driven input shaft 55" is located in the shaft direction of the mounting part and carries as above a toothed wheel 53" cooperating with a toothed belt 51".
- the toothed belt 51" is here located completely inside the second portion 21" of the transmission unit and extends directly, not requiring any intermediate wheels or deflection wheels, around toothed wheels 53" on the driven input shaft and 49 on the driving shaft 43 of the roller.
- the distribution of weight of the accessory including the mounted driving portable machine can in this embodiment be considerably more asymmetric than in the first embodiment described above due to the fact that the driving machine can project too much laterally. This fact also results in that the machine including the accessory cannot be used on surfaces close to walls.
- This embodiment is suitably provided with a handle, not shown, corresponding to the handle 9 according to the above mounted using suitable clamping devices at a position corresponding to the position of the handle 9.
- the working roller is in this embodiment shown as a brushing roller 35" which has bristles 35' attached to the envelope surface of the roller.
- This type of roller thus has a rigidly attached coating layer and the very roller body can have a somewhat smaller diameter adapted to the available space inside the protective cover. It can be used alternatingly with the roller 35 according to the above having a replaceable surface coating in the two embodiments of the accessory.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU38516/00A AU3851600A (en) | 1999-03-12 | 2000-03-10 | An accessory for a hand drilling machine |
EP00917560A EP1177060A1 (en) | 1999-03-12 | 2000-03-10 | An accessory for a hand drilling machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9900900-3 | 1999-03-12 | ||
SE9900900A SE513782C2 (en) | 1999-03-12 | 1999-03-12 | Hand Drill Accessories |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000054914A1 true WO2000054914A1 (en) | 2000-09-21 |
Family
ID=20414824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2000/000477 WO2000054914A1 (en) | 1999-03-12 | 2000-03-10 | An accessory for a hand drilling machine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1177060A1 (en) |
AU (1) | AU3851600A (en) |
SE (1) | SE513782C2 (en) |
WO (1) | WO2000054914A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006021073A1 (en) * | 2004-06-21 | 2006-03-02 | Dan Provost | Torque tool |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2483720A (en) * | 1947-11-08 | 1949-10-04 | Edward M Asbury | Portable belt type sanding device |
US2563582A (en) * | 1951-08-07 | Drill press attachment | ||
US2819565A (en) * | 1955-12-06 | 1958-01-14 | Bernard S Oren | Portable electric belt sanding machine |
DE2453705A1 (en) * | 1953-07-25 | 1976-09-30 | Henry Neuenburg | Milling attachment for hand drills - has units coupled by bolt and collar to prevent relative rotation |
US3983664A (en) * | 1975-11-21 | 1976-10-05 | Ronald Martin | Belt-type sander attachment for portable power drills |
US4869026A (en) * | 1988-03-11 | 1989-09-26 | Leonard L. Burrell | Sander |
-
1999
- 1999-03-12 SE SE9900900A patent/SE513782C2/en not_active IP Right Cessation
-
2000
- 2000-03-10 AU AU38516/00A patent/AU3851600A/en not_active Abandoned
- 2000-03-10 EP EP00917560A patent/EP1177060A1/en not_active Withdrawn
- 2000-03-10 WO PCT/SE2000/000477 patent/WO2000054914A1/en not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2563582A (en) * | 1951-08-07 | Drill press attachment | ||
US2483720A (en) * | 1947-11-08 | 1949-10-04 | Edward M Asbury | Portable belt type sanding device |
DE2453705A1 (en) * | 1953-07-25 | 1976-09-30 | Henry Neuenburg | Milling attachment for hand drills - has units coupled by bolt and collar to prevent relative rotation |
US2819565A (en) * | 1955-12-06 | 1958-01-14 | Bernard S Oren | Portable electric belt sanding machine |
US3983664A (en) * | 1975-11-21 | 1976-10-05 | Ronald Martin | Belt-type sander attachment for portable power drills |
US4869026A (en) * | 1988-03-11 | 1989-09-26 | Leonard L. Burrell | Sander |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006021073A1 (en) * | 2004-06-21 | 2006-03-02 | Dan Provost | Torque tool |
Also Published As
Publication number | Publication date |
---|---|
SE9900900D0 (en) | 1999-03-12 |
SE513782C2 (en) | 2000-11-06 |
SE9900900L (en) | 2000-09-13 |
AU3851600A (en) | 2000-10-04 |
EP1177060A1 (en) | 2002-02-06 |
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