EP1013383A2 - Kassette - Google Patents

Kassette Download PDF

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Publication number
EP1013383A2
EP1013383A2 EP99308956A EP99308956A EP1013383A2 EP 1013383 A2 EP1013383 A2 EP 1013383A2 EP 99308956 A EP99308956 A EP 99308956A EP 99308956 A EP99308956 A EP 99308956A EP 1013383 A2 EP1013383 A2 EP 1013383A2
Authority
EP
European Patent Office
Prior art keywords
cartridge
tool
cylinder
drive
housing
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
EP99308956A
Other languages
English (en)
French (fr)
Other versions
EP1013383A3 (de
EP1013383B1 (de
Inventor
Daniel Bone
Michael Ray Martin
Philip Thompson
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.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
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 Black and Decker Inc filed Critical Black and Decker Inc
Publication of EP1013383A2 publication Critical patent/EP1013383A2/de
Publication of EP1013383A3 publication Critical patent/EP1013383A3/de
Application granted granted Critical
Publication of EP1013383B1 publication Critical patent/EP1013383B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/06—Portable grinding machines, e.g. hand-guided; Accessories therefor with abrasive belts, e.g. with endless travelling belts; Accessories therefor
    • 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
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C1/00—Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor
    • B27C1/10—Hand planes equipped with power-driven cutter blocks

Definitions

  • the present invention relates to a cartridge for a modular power tool and has particular, although not exclusive, relevance to such a cartridge as may be used to allow the tool to function as a belt sander.
  • a cartridge for use with a modular power tool including: an interlock for coupling the cartridge to the tool; a cylinder, rotatable under drive applied thereto by the tool; and drive conversion means to reverse the sense of rotation as between the drive applied to the cylinder by the tool and the sense of rotation of the cylinder itself.
  • the provision of the drive conversion means allows the cartridge to be used in roles previously not possible in the art.
  • the drive conversion means comprises an epicyclic gearbox which may be housed within the cylinder.
  • the drive conversion comprises a cartridge wherein the epicyclic gearbox is housed within the cylinder.
  • the cartridge may include a further rotatable cylinder.
  • a power tool for use with a cartridge including a modular power tool for use with a cartridge, the tool including: a housing; an interlock formed on the housing for engagement with the interlock of the cartridge; and drive means for applying rotational drive to the cylinder of a cartridge presented for coupling with the housing of the tool.
  • the cartridge allows the tool to function as a belt sander.
  • the drive means comprises an output shaft from a motor within the housing.
  • a housing for a power tool is shown generally as 2.
  • the housing comprises a handle (4) and a main body (6) in use of the device a user may hold both the main body (6) and the handle (4) in order to guide the power tool against a workpiece.
  • the underside portion (8) of the housing is shaped to accept a cartridge (described further below) presented thereto.
  • a cartridge (described further below) presented thereto.
  • the underside (8) defines an abutment (10) formed by the two side walls (12 and 14).
  • the side wall (12) is formed an interlock member (16) for co-operable engagement with a cartridge presented to the housing (2), as will be described below.
  • the side wall (12) also includes a recess (18) for stock removal/ dust extraction when the power tool is in use.
  • the motor is a conventional electric motor and is described with reference to Figures 7 and 9 in more detail.
  • the motor is coupled to an output shaft (20) for providing drive to a cartridge presented thereto.
  • a cartridge shown generally as 22, has been presented to the main body (6) for coupling thereto.
  • the cartridge comprises a belt sander module for incorporation with the main body (6) so that the entire tool (2) (when the main body (6) and the cartridge (22) are coupled operatively together) operates as a belt sander.
  • the cartridge (22) includes a first cylinder (24) and a further cylinder (26).
  • the cylinders (24 and 26) are surrounded by a continuous loop of sandpaper (28) thereby forming a belt sander.
  • the cylinders (24, 26) need to be resiliently biassed so as to keep the loop of sandpaper (28) under sufficient tension so that it may perform efficaciously as a belt sander.
  • the cartridge (22) includes a further interlock member (30) which is co-operable with the interlock member (16) on the main body (6) so as to retain the cartridge (22) in rigid engagement with the main body (6) in operation of the tool.
  • the cylinder (24) includes a recess (not shown in Figure 2) for co-operating with the output shaft (20).
  • the first operation necessary to couple the cartridge (22) to the body (6) is that of mating the recess in the cylinder (24) with the output shaft (20). This is shown from the large arrow "A” in Figure 2.
  • the cartridge (22) is then pivoted about the axis of the cylinder (24) (because the cylinder (24) is now operatively coupled to the output shaft (20)) and the interlock members (16 and 30) are coupled together. This pivoting movement is shown by the arrow "B" in the figure.
  • Figure 3 shows the cartridge (22) when operatively coupled to the main body (6).
  • the main body (6) includes an arcuate portion (32).
  • the cartridge (22) includes a correspondingly shaped arcuate portion (34).
  • the purpose of the arcuate portions (32, 34) is to ensure unimpeded motion when pivoting the cartridge (22) to its final operative position.
  • FIG. 5 and 6 there is shown a power tool whose main body (6) is operatively coupled to a cartridge (36).
  • the cartridge (36) is an alternative to that (22) with reference to Figures 1 to 4.
  • the cartridge (36) is that of a planer, rather than a belt sander.
  • the cartridge (36) includes a cylinder (38) which, in common with the cylinder (24) has a recess formed therein to mate with the output shaft (20).
  • the operation of coupling the cartridge (36) to the main body (6) is exactly the same as that with respect to cartridge (24).
  • the main differences between the two cartridges (22 and 36) is that the cartridge (22) is a belt sander whereas the cartridge (36) is a planer. This means, that the cartridge (36) does not require a rear roller and therefore only cylinder (38) is present.
  • the cylinder (38) is that of a planer and therefore includes the common characteristics of the planer, such as a radial projection (cutting blade) and depth of cut adjustment means as shown by reference numeral 40.
  • a radial projection cutting blade
  • depth of cut adjustment means as shown by reference numeral 40.
  • the power tool (2) has a main body (6) which can be operatively coupled to any one of a plurality of cartridges, of which two illustrative embodiments (22, 36) are shown. It will be further apparent that further cartridges are possible and these are clearly within the scope of those skilled in the art, although they are not described herein. For example, an alternative cartridge could achieve orbital sanding or polishing tasks or the like.
  • the cartridge (22) is operatively coupled to a motor (42) by a belt drive mechanism (44).
  • the output of the motor (42) is coupled by rotating shaft (46) to a drive cog (48).
  • the drive cog (48) rotates at around 30,000 revolutions per minute.
  • the belt drive (44) is coupled to a driven cog (50) which is coupled to the output shaft (20) via a drive shaft (52).
  • the driven cog (50) has generally a greater number of teeth than the drive cog (48). Therefore there is a speed reduction between the drive cog (48) and driven cog (50) which results in the driven cog (50) (and therefore the drive shaft (52) and therefore the output shaft (20)) rotating at around 16,000 revolutions per minute.
  • the belt sander cartridge (28) needs to have the drive roller (24) rotating in the opposite sense to that of the planer cylinder (38) of the planer cartridge (36).
  • Figure 8 shows a section taken along the line X-X of the cylinder (24) in Figure 7.
  • the output shaft (20) terminates in a sun gear (54) which is at the centre of the cylinder (24).
  • the sun gear rotates in a first sense, say, clockwise as shown in Figure 8.
  • a plurality of planet gears (56), in this example 3 are fixed in position relative to the sun gear (54). Although the planet gears are fixed, they are free to rotate about their respective central axis.
  • each planet gear (56) rotates about its own axis in an anti-clockwise sense.
  • a rotatable ring gear (58) Surrounding the planet gears (56) is a rotatable ring gear (58) which is rigidly coupled to the outer periphery of the cylinder (24).
  • the inner periphery of the ring gear (58) carries a plurality of teeth which co-operatively engage with the gearing teeth of the planet gears (56). This means, therefore, that the ring gear (58) (and therefore the cylinder (24)) rotate in an anti-clockwise sense as shown by the outermost arrow of Figure 8.
  • FIG 9 there is shown a representation of the planer cartridge (36).
  • similar components are numbered correspondingly with those of Figure 7, because the motor (42) and the belt drive (44) and the output shaft (20) are all common with that of the housing (6) of Figure 7. Because of this, further description of the mechanism up to and including the output shaft (20) will not be given herein.
  • any suitable cartridge may be coupled with the body (6) in order to achieve the desired operative result.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Switches With Compound Operations (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP99308956A 1998-12-23 1999-11-10 Bandschleiferkartusche Expired - Lifetime EP1013383B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9828581.0A GB9828581D0 (en) 1998-12-23 1998-12-23 Cartridge
GB9828581 1998-12-23

Publications (3)

Publication Number Publication Date
EP1013383A2 true EP1013383A2 (de) 2000-06-28
EP1013383A3 EP1013383A3 (de) 2004-05-06
EP1013383B1 EP1013383B1 (de) 2006-05-17

Family

ID=10844992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99308956A Expired - Lifetime EP1013383B1 (de) 1998-12-23 1999-11-10 Bandschleiferkartusche

Country Status (4)

Country Link
EP (1) EP1013383B1 (de)
AT (1) ATE326315T1 (de)
DE (1) DE69931333T2 (de)
GB (1) GB9828581D0 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7235005B2 (en) 2005-03-24 2007-06-26 Black & Decker Inc. Belt sander
US7381118B2 (en) 2005-03-24 2008-06-03 Black & Decker Inc. Belt sander

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB897001A (en) * 1960-01-29 1962-05-23 Selecta Power Tools Ltd Improvements in or relating to planing machines
US4317282A (en) * 1980-06-30 1982-03-02 Pace Paul D Wood sanding, grass and wood cutting electric drill attachment device
US5033552A (en) * 1990-07-24 1991-07-23 Hu Cheng Te Multi-function electric tool
US5771516A (en) * 1996-08-26 1998-06-30 Huang; Chen Shu-Hsia Exchangeable power hand tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB897001A (en) * 1960-01-29 1962-05-23 Selecta Power Tools Ltd Improvements in or relating to planing machines
US4317282A (en) * 1980-06-30 1982-03-02 Pace Paul D Wood sanding, grass and wood cutting electric drill attachment device
US5033552A (en) * 1990-07-24 1991-07-23 Hu Cheng Te Multi-function electric tool
US5771516A (en) * 1996-08-26 1998-06-30 Huang; Chen Shu-Hsia Exchangeable power hand tool

Also Published As

Publication number Publication date
GB9828581D0 (en) 1999-02-17
DE69931333T2 (de) 2007-04-19
ATE326315T1 (de) 2006-06-15
EP1013383A3 (de) 2004-05-06
DE69931333D1 (de) 2006-06-22
EP1013383B1 (de) 2006-05-17

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