EP2497616A1 - Outil électrique oscillant - Google Patents

Outil électrique oscillant Download PDF

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Publication number
EP2497616A1
EP2497616A1 EP12158765A EP12158765A EP2497616A1 EP 2497616 A1 EP2497616 A1 EP 2497616A1 EP 12158765 A EP12158765 A EP 12158765A EP 12158765 A EP12158765 A EP 12158765A EP 2497616 A1 EP2497616 A1 EP 2497616A1
Authority
EP
European Patent Office
Prior art keywords
accessory
clamp
work piece
clamp assembly
power tool
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.)
Withdrawn
Application number
EP12158765A
Other languages
German (de)
English (en)
Inventor
David A Goldman
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
Priority claimed from US13/044,811 external-priority patent/US20110266759A1/en
Application filed by Black and Decker Inc filed Critical Black and Decker Inc
Publication of EP2497616A1 publication Critical patent/EP2497616A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • B27B5/30—Details; Component parts; Accessories for mounting or securing saw blades or saw spindles
    • B27B5/32—Devices for securing circular saw blades to the saw spindle
    • 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
    • B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B19/00—Other reciprocating saws with power drive; Fret-saws
    • B27B19/006—Other reciprocating saws with power drive; Fret-saws with oscillating saw blades; Hand saws with oscillating saw blades

Definitions

  • the present invention relates to power tools and more specifically to a clamp arrangement for releasably securing an accessory to an oscillating power tool.
  • Power hand tools are provided in many examples for performing a wide range of tasks.
  • some power hand tools can include an output member that is driven by a motor and that couples with an accessory to perform a working operation onto a work piece.
  • some hand tools can provide various configurations for attaching cutting accessories, grinding accessories, sanding accessories and the like.
  • Some power hand tools are configured as oscillating tools that are operable to transmit an oscillating motion onto the accessory.
  • a user may want to exchange one accessory for another accessory. For example, a user may want to exchange one grinding accessory with another grinding accessory or one sanding platen with another sanding platen. Alternatively, a user may wish to replace a cutting accessory with another cutting accessory. It is also contemplated that a user may want to replace a given accessory dedicated to one task (such as sanding) with another accessory dedicated toward another task (such as cutting for example).
  • many power hand tools require the use of a secondary tool to swap out accessories. For example, many power hand tools require the use of a hand screw driver that can be used to retract a fastener that may lock the accessory to the output member of the power hand tool. In other examples, a wrench or other hand tool may be required to remove or unlock a given accessory from the power hand tool and subsequently lock another accessory back to the power hand tool.
  • a first aspect of the present invention provides an oscillating power tool, comprising: a tool body including a motor having an output member; and a clamp assembly driven by the output member, the clamp assembly comprising a first clamp member and a second clamp member, wherein one of the first and second clamp members moves relative to the other clamp member between an open position and a clamped position to selectively retain a first accessory between the first and second clamp members, and wherein one of the first and second clamp members includes an auxiliary attachment surface configured to selectively connect with a second accessory while the first accessory is concurrently retained by the clamp assembly.
  • the first and second clamp members preferably include first and second surfaces respectively, and the auxiliary attachment surface preferably includes a third surface.
  • the first and second surfaces preferably oppose each other and the third surface preferably faces away from both of the first and second surfaces.
  • the auxiliary attachment surface preferably is formed on the second clamp member.
  • the second clamp member preferably defines a threaded bore configured to receive a fastener that couples the second accessory to the auxiliary attachment surface.
  • the oscillating power tool preferably further comprises the second accessory, wherein the second accessory comprises a depth control member having a work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory, the work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance.
  • the second accessory comprises a depth control member having a work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory, the work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance.
  • the oscillating power tool preferably further comprises the second accessory, wherein the second accessory comprises an offset control member having a work piece engagement surface that is configured to be spaced a predetermined lateral distance from a surface of the first accessory, the work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the work piece engagement surface.
  • the second accessory comprises an offset control member having a work piece engagement surface that is configured to be spaced a predetermined lateral distance from a surface of the first accessory, the work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the work piece engagement surface.
  • the oscillating power tool preferably further comprises the second accessory, wherein the second accessory comprises a combination depth and offset control member having a first work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory and a second work piece engagement surface that is configured to by spaced a predetermined lateral distance from a body of the first accessory, the first work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance, the second work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the second work piece engagement surface.
  • the second accessory comprises a combination depth and offset control member having a first work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory and a second work piece engagement surface that is configured to by spaced a predetermined lateral distance from a body of the first accessory, the first work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a
  • the oscillating power tool preferably further comprises the first accessory and the second accessory, wherein the first accessory includes one of a dust extraction device and a lubricating device and wherein the second accessory includes one of a sanding platen and a polishing platen.
  • a second aspect of the invention provides a clamp arrangement for securing first and second accessories to an oscillating power tool, the clamp arrangement comprising: a tool body including a motor having an output member that drives the first accessory; a clamp assembly including a first clamp member that moves relative to the first accessory between a closed position wherein the clamp assembly retains the first accessory and an open position wherein the first clamp member of the clamp assembly is offset from the first accessory permitting removal of the first accessory from the clamp assembly while the first clamp member remains coupled to the clamp assembly, the clamp assembly further comprising a second clamp member having a first portion that opposes the first clamp member and cooperates with the first clamp member to clamp the first accessory between the first and second clamp members; and an auxiliary attachment surface configured on the second clamp member, distinct from the second clamping surface and configured to selectively connect with the second accessory while the first accessory is concurrently retained by the clamp assembly.
  • any feature (including a preferred feature) of any aspect of the invention may be a feature (including a preferred feature) of any other aspect of the invention.
  • the first clamp member preferably comprises a first clamp body having one of a first plurality of protrusions extending from a first clamping surface and a first plurality of recesses formed into the first clamping surface.
  • the second clamp member preferably comprises a second clamp body having a second clamping surface that opposes the first clamping surface and includes the other of the first plurality of protrusions and first plurality of recesses, wherein the first plurality of protrusions are configured to cooperatively locate into the corresponding first plurality of recesses in the closed position.
  • the oscillating power tool or clamp arrangement preferably further comprises an actuator having a user engagement portion and being movably coupled relative to the tool body between a first position, wherein the clamp assembly is in the closed position and a second position wherein movement of the user engagement portion of the actuator causes the clamp assembly to be moved to the open position.
  • the oscillating power tool or clamp arrangement preferably further comprises the first accessory wherein the first accessory has an open ended aperture and a plurality of mounting formations therethrough, the first plurality of protrusions each having a conical outer surface that locates partially through and engages the plurality of mounting formations of the accessory in the closed position, wherein the first accessory is positioned offset from the second clamping surface of the second clamp body.
  • the oscillating power tool or clamp arrangement preferably further comprises a lever having a user engagement portion and a pivot portion including a pivot axle, the lever being pivotally coupled relative to the tool body about the pivot axle between a first position, wherein the clamp assembly is in the closed position and a second position wherein movement of the user engagement portion of the lever causes the clamp assembly to be moved to the open position.
  • the second clamp member preferably defines a threaded bore configured to receive a fastener that couples the second accessory to the auxiliary attachment surface.
  • the oscillating power tool or clamp arrangement preferably further comprises the second accessory, wherein the second accessory comprises a depth control member having a work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory, the work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance.
  • the second accessory comprises a depth control member having a work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory, the work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance.
  • the oscillating power tool or clamp arrangement preferably further comprises the second accessory, wherein the second accessory comprises an offset control member having a work piece engagement surface that is configured to be spaced a predetermined lateral distance from a surface of the first accessory, the work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the work piece engagement surface.
  • the second accessory comprises an offset control member having a work piece engagement surface that is configured to be spaced a predetermined lateral distance from a surface of the first accessory, the work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the work piece engagement surface.
  • the oscillating power tool or clamp arrangement preferably further comprises the second accessory, wherein the second accessory comprises a combination depth and offset control member having a first work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory and a second work piece engagement surface that is configured to by spaced a predetermined lateral distance from a body of the first accessory, the first work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance, the second work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the second work piece engagement surface.
  • the second accessory comprises a combination depth and offset control member having a first work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory and a second work piece engagement surface that is configured to by spaced a predetermined lateral distance from a body of the first accessory, the first work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work
  • the oscillating power tool or clamp arrangement preferably further comprises the first accessory and the second accessory, wherein the first accessory includes a dust extraction device and the second accessory includes a sanding platen.
  • the oscillating power tool or clamp arrangement preferably further comprising the first accessory and the second accessory, wherein the first accessory includes a lubricating device and the second accessory includes a polishing platen.
  • a third aspect of the invention provides a clamp arrangement for securing first and second accessories to an oscillating power tool, the clamp arrangement comprising: a tool body including a motor having an output member that drives the first accessory; and a clamp assembly including a first clamp member and a second clamp member, wherein one of the first and second clamp members moves relative to the other clamp member between an open position and a clamped position to selectively retain the first accessory between the first and second clamp members, and wherein one of the first and second clamp members includes an auxiliary attachment surface configured to selectively connect with the second accessory while the first accessory is concurrently retained by the clamp assembly.
  • the first and second clamp members preferably include first and second surfaces, respectively and wherein the auxiliary attachment surface includes a third surface, wherein the first and second surfaces oppose each other while the third surface faces away from both of the first and second surfaces.
  • the auxiliary attachment surface preferably is formed on the second clamp member, and the second clamp member preferably defines a threaded bore configured to receive a fastener that couples the second accessory to the auxiliary attachment surface.
  • the oscillating power tool or clamp arrangement preferably further comprises the second accessory, wherein the second accessory comprises a depth control member having a work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory, the work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance.
  • the second accessory comprises a depth control member having a work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory, the work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance.
  • the oscillating power tool or clamp arrangement preferably further comprises the second accessory, wherein the second accessory comprises an offset control member having a work piece engagement surface that is configured to be spaced a predetermined lateral distance from a surface of the first accessory, the work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the work piece engagement surface.
  • the second accessory comprises an offset control member having a work piece engagement surface that is configured to be spaced a predetermined lateral distance from a surface of the first accessory, the work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the work piece engagement surface.
  • the oscillating power tool or clamp arrangement preferably further comprises the second accessory, wherein the second accessory comprises a combination depth and offset control member having a first work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory and a second work piece engagement surface that is configured to by spaced a predetermined lateral distance from a body of the first accessory, the first work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work piece a distance greater than the predetermined distance, the second work piece engagement surface configured to engage the work piece and maintain the first accessory at the predetermined lateral distance from the second work piece engagement surface.
  • the second accessory comprises a combination depth and offset control member having a first work piece engagement surface that is configured to be spaced a predetermined distance from a cutting edge of the first accessory and a second work piece engagement surface that is configured to by spaced a predetermined lateral distance from a body of the first accessory, the first work piece engagement surface configured to engage the work piece and inhibit the cutting edge from cutting into a work
  • the oscillating power tool or clamp arrangement preferably further comprises the first accessory and the second accessory, wherein the first accessory includes one of a dust extraction device and a lubricating device and wherein the second accessory includes one of a sanding platen and a polishing platen.
  • a fourth aspect of the invention provides a clamp arrangement for securing first and second accessories to an oscillating power tool, the clamp arrangement comprising: a tool body including a motor having an output member that drives the first accessory; and a clamp assembly including a first clamp member and a second clamp member, wherein one of the first and second clamp members moves relative to the other clamp member between an open position and a clamped position to selectively retain the first accessory between opposing surfaces of the first and second clamp members, and wherein one of the first and second clamp members includes an auxiliary attachment surface, distinct from the opposing surfaces and configured to selectively connect with the second accessory; wherein the clamp arrangement is operable in a first mode wherein the clamp arrangement only retains the first accessory, a second mode wherein the clamp arrangement only retains the second accessory, and a third mode wherein the clamp assembly concurrently retains both of the first accessory and the second accessory.
  • a clamp arrangement constructed in accordance to one example of the present invention is shown and generally identified at reference numeral 10.
  • the clamp arrangement 10 is shown operatively associated with a power tool 12 for selectively and alternatively retaining various accessories, such as a first accessory 14a or a second accessory 14b.
  • the exemplary power tool can generally include a tool body 18 including a housing 20 that generally contains a motor 22 that drives an output member 24.
  • the output member 24 can be coupled to a spindle 26.
  • the exemplary power tool 12 is configured for providing an oscillating motion onto the spindle 26. It will be appreciated that while the clamp arrangement 10 is disclosed herein as part of an oscillating power hand tool, the clamp arrangement 10 may be also configured for use with other power tools that releasably secure an accessory.
  • the clamp arrangement 10 can further include a clamp assembly 30 that operatively cooperates with an actuator such as a lever 32.
  • the clamp assembly 30 can generally include a first clamp member 36 and a second clamp member 38.
  • the lever 32 can include a lever arm 40 that includes a user engagement portion 42 and a block 44.
  • the lever 32 can further include a pivot portion 46 having a pivot axle 48.
  • the second accessory 14b can generally include a sanding platen 50 having a platen body 52 and a mounting collar 54.
  • the mounting collar 54 can be coupled to the body 52 by way of a series of fasteners 56.
  • the body 52 can be configured to support an abrasive sheet, such as sand paper and the like as is known in the art.
  • the mounting collar 54 can generally include an upper plate portion 60 having a plurality of mounting features 62.
  • the mounting features 62 are generally in the form of passages formed through the mounting collar 54.
  • the mounting collar 54 can generally include an open-ended aperture or throat 66 configured to accept the spindle 26 in an assembled position as will be described herein.
  • the second clamp member 38 can include a second clamp body 70 generally in the form of a ring having a central opening 72.
  • the second clamp body 70 can generally comprise a second clamping surface 74 having a plurality of mounting features 76 formed thereon.
  • the plurality of mounting features 76 are in the form of male protrusions 78.
  • eight protrusions each having a tapered shape or form are provided.
  • the second clamp body 70 can additionally include an auxiliary attachment surface 80 having a plurality of auxiliary mounting features 82 ( Fig. 2 ).
  • auxiliary mounting features 82 are shown in the form of male protrusions and may include a similar eight protrusion configuration as provided on the second clamping surface 74.
  • the auxiliary mounting features 82 can each have a diameter of 2.4mm. Other configurations are contemplated.
  • the first clamp member 36 can generally include a first clamp member body 84 having an annular flange 86.
  • the first clamp member body 84 can include a first clamping surface 87 having a plurality of mounting features 88 ( Fig. 4 ).
  • the plurality of mounting features 88 are in the form of recesses that cooperatively receive the corresponding plurality of mounting features 76 of the second clamp member 38.
  • the mounting features 88 can have any configuration, such as blind bores, or circular grooves being suitable to accept the male protrusions of the mounting features 76.
  • the annular flange 86 can generally extend radially on an end of an outer hub 90 of the first clamp member body 84.
  • the annular flange 86 can have a lever opposing surface 91.
  • the first clamp member body 84 can further include an inner hub 92 that defines a first clamp member opening 94.
  • the first clamp member opening 94 can be configured to receive the spindle 26.
  • An annular channel 96 can be formed between the outer hub 90 and the inner hub 92.
  • the annular channel 96 can have a terminal surface 98.
  • the lever 32 can generally include a lever body 100 having the user engagement portion 42 formed generally on a first end and the pivot portion 46 formed on an opposite end.
  • the pivot portion 46 can generally include a pair of lobes 102 that each define an axle passage 104.
  • the lever body 100 can further include a pocket 108 having a flange opposing surface 110 for generally receiving two steel balls and the annular flange 86 of the first clamp member 36.
  • the block 44 can generally include a pair of transverse posts 116 and a blind bore 118.
  • the axle passages 104 provided in the lobes 102 can be configured to receive the pivot axle 48.
  • the clamp arrangement 10 can additionally include a first biasing member 120 and a second biasing member 122.
  • the first biasing member 120 can be at least partially received by the annular channel 96 provided on the first clamp member body 84.
  • the second biasing member 122 can be at least partially received into the blind bore 118 of the block 44.
  • the first biasing member 120 can be generally supported on an upper end by a washer 126 that is correspondingly supported by a bearing 130 journalled around the spindle 26.
  • the spindle 26 can additionally include a pair of flats 132 and channels 134 formed on a distal end.
  • the flats 132 can generally correspond to the profile of the opening 72 formed in the second clamp member 38.
  • the flats 132 can cooperate with the profile of the opening 72 to key the second clamp member 38 to the spindle 26 and inhibit rotation of the second clamp member 38 around a spindle axis 140.
  • the output member 24 can be generally in the form of a drive fork that can impart rotational motion onto the spindle 26 around the spindle axis 140.
  • a support bearing 142 can be arranged on one end of the spindle 26 for cooperatively mounting within the housing 20.
  • the first accessory 14a can be generally in the form of a cutting member having a working portion 146 and an attachment portion 148.
  • the attachment portion 148 can include a plurality of mounting features 150 in the form of passages formed through the first accessory 14a.
  • the attachment portion 148 can further include an open-ended aperture or throat 152 for selectively receiving a portion of the spindle 26 in an assembled position as will be described herein.
  • Figs. 4-6 an exemplary sequence of removing the first accessory 14a from the clamp assembly 30 will be described according to one example of the present teachings.
  • the clamp assembly 30 is shown in a closed position wherein the biasing member 120 is supported on a first end by the washer 126 and provides a downward biasing force onto the first clamp member 36 at the annular channel 96.
  • the second clamp member 38 is fixed to the spindle 26.
  • the male protrusions of the mounting features 76 selectively locate into the recesses of the mounting features 88 formed on the first clamp member 36.
  • the first accessory 14a therefore is clamped between the second clamping surface 74 and the first clamping surface 87 while the male protrusions of the mounting features 76 locate through passages of the mounting features 150 formed on the first accessory 14a.
  • the mounting features are described and shown as male protrusions and some of the mounting features are described and shown as recesses, the locations may be swapped. Moreover, other interlocking geometries may be used. As viewed in Fig. 4 , the lever 32 is shown and generally described herein as the first position.
  • the lever 32 is shown rotated around a pivot axle axis 160 of the pivot axle 48 to a second position.
  • the clamp assembly 30 is generally in the open position where the first clamp member 36 is displaced or offset relative to the second clamp member 38.
  • a user can urge the user engagement portion 42 (such as by pulling the user engagement portion 42 with an index finger) in a direction generally upwardly as viewed in Fig. 5 and toward the housing 20.
  • a user In order to rotate the lever 32 around the pivot axle 48, a user must overcome the biasing forces of the respective first and second biasing members 120 and 122.
  • the flange opposing surface 110 in the pocket 108 of the lever body 100 ( Fig. 3 ) generally transmits an upward force (in a direction against the biasing force of the first biasing member 120) onto the lever opposing surface 91.
  • the lever 32 can generally lift the first clamp member 36 at the annular flange 86 to move the first clamping surface 87 away from the second clamping surface 74.
  • a camming configuration or slidable actuation member may be additionally or alternatively employed.
  • the first and second clamp members 36 and 38 provide enough clearance, such that a user can remove the first accessory 14a away from the clamp assembly 30.
  • the clamp arrangement 10 of the present invention can provide a significant mechanical advantage that can provide a particularly robust clamping action onto an accessory in a tight package requiring relatively small space.
  • a user by mounting the pivot axle 48 on an opposite end of the user engagement portion 42 a user be offered a significant moment arm that can act against the respective biasing forces of the first and second biasing members 120 and 122 while still offering a significant clamping force.
  • the location of the user engagement portion 42 provides an ergonomically pleasing configuration adjacent to the housing 20 where a user's palm would be generally positioned.
  • an index finger can easily negotiate onto the user engagement portion 42 without having to significantly reposition a user's palm.
  • the user engagement portion 42 can be generally located between the housing 20 and the first accessory 14a, such that a user can easily pull up on the user engagement portion 42 in a direction toward the housing with one hand while removing/installing any given accessory with the other hand.
  • FIG. 7 generally corresponds to the sectional view of Fig. 4 of the clamp assembly 30 in the closed position and the lever 32 in the first position.
  • Fig. 8 generally corresponds to the sectional view of Fig. 5 where the clamp assembly 30 is in the open position and the lever 32 is in the second position.
  • Fig. 9 generally corresponds to the sectional view of Fig. 6 where the clamp assembly 30 is in the open position and the lever 32 is in the second position while the first accessory 14a is removed from the clamp assembly 30.
  • the clamp assembly 30 can be used to selectively clamp a given accessory, such as the first accessory 14a through a variety of rotational orientations around the spindle axis 140.
  • the second clamp member 38 includes eight mounting features 76 however other configurations may be incorporated.
  • the first accessory 14a includes nine mounting features or passages 150.
  • the first accessory 14a can be arranged in a plurality of different rotational orientations, such that the male protrusions 78 can be aligned for passing through the passages 150 by rotating the first accessory 14a into the orientation desired. As can be appreciated, it may be advantageous to orient the first accessory 14a differently for a particular task.
  • a user can initially pull up the lever 32 at the user engagement portion 42 causing the annular flange 86 of the first clamp member 36 to be lifted as previously described.
  • the first accessory 14a With the first clamp member 36 displaced from the second clamp member 38, the first accessory 14a can be oriented into the desired radial position and aligned with the corresponding male protrusions 78.
  • the user can then release the user engagement portion 42 allowing the first biasing member 120 (and the second biasing member 122) to urge the first clamp member 36 in a direction toward the second clamp member 38 until the respective first and second clamping surfaces 87 and 74, respectively, engage and clamp the attachment portion 148 of the first accessory 14a ( Fig. 12 ).
  • Figs. 13-15 various examples are shown with the first accessory 14a mounted around the second clamp member 38.
  • the male protrusions of the mounting features 76 can be arranged to allow the first accessory 14a to be indexed at about thirty degree increments around the second clamping surface 74.
  • mounting features are absent at the two, four, eight and ten o'clock positions. Other examples are contemplated.
  • the clamp assembly 30 will be described clamping the second accessory 14b according to one example of the present teachings.
  • the clamp assembly 30 is normally biased into the closed position.
  • the lever 32 is shown rotated around the pivot axle axis 160 of the pivot axle 48 to the second position.
  • the clamp assembly 30 In the second position, the clamp assembly 30 is generally in the open position where the first clamp member 36 is displaced relative to the second clamp member 38. With the clamp assembly 30 in the open position, the first and second clamp members 36 and 38, respectively provide enough clearance to accept the mounting collar 54 of the second accessory 14b.
  • the second accessory 14b While a user maintains an upward force on the user engagement portion 42 of the lever 32, the second accessory 14b is directed toward the clamp assembly 30, such that the spindle 26 is generally located through the throat 66 ( Fig. 19 ).
  • the user can release the user engagement portion 42 of the lever 32 allowing the respective first and second biasing members 120 and 122 to return the lever 32 to the first position ( Fig. 20 ).
  • the clamp assembly 30 In the first position, the clamp assembly 30 is in the closed position, such that the first clamping surface 87 of the first clamp member 36 as well as the second clamping surface 74 of the second clamp member 38 cooperatively clamp the mounting collar 54 of the second accessory 14b.
  • the third accessory 14c can generally include a body 170 having a generally iron-shaped.
  • a plurality of mounting features 176 can be formed around an upper surface 178 of the body 172 of the third accessory 14c.
  • the plurality of mounting features 176 can be in the form of recesses having a profile that generally mates with the plurality of mounting features 82 extending from the auxiliary attachment surface 80.
  • a mounting aperture 180 can be formed through the body 172 of the third accessory 14c for accepting a fastener 182 ( Fig. 22 ).
  • the fastener 182 can threadably mate with a threaded bore 186 defined at a distal end of the spindle 26.
  • a fourth accessory 14d will be described cooperating with the spindle 26 and the second clamp member 38.
  • the channels 134 formed in the spindle 26 can provide clearance for accepting other accessories, such as accessories that may define a throat 152 having a smaller entrance.
  • the reduced geometry throat of an accessory may be initially negotiated through the channel 134 prior to rotating the accessory into the desired orientation relative to the spindle 26 and subsequently clamping the accessory to the clamp assembly 30.
  • the fourth accessory 14d can have an open-ended aperture or throat 190 formed on an attachment portion 192.
  • the throat 190 can generally span a distance 194.
  • the throat 190 provides a reduced distance 194.
  • the channels 134 provided on the spindle 26 are offset a distance 196 that is generally less than the distance 194, such that the throat 190 can be advanced through the channels 134 until clearing the channels 134 at an opposite end of the spindle 26 (see Fig. 24 ).
  • a user can rotate the fourth accessory 14d to a desired orientation around the second clamping surface 74 of the second clamp member 38.
  • Fig. 26 illustrates a plan view that represents the relative distances 194 of the throat 190 and 196 of the channels 134.
  • a fifth accessory 14e has an attachment portion 200 having a plurality of mounting formations 202 formed therethrough.
  • the mounting formations 202 can be generally in the form of circular apertures.
  • the circular apertures can have a tapered shape. Other dimensions are contemplated that may still have a diameter (or opening in general) that is large enough to accept the diameter of the respective mounting features 76 on the second clamp member 38.
  • a clamp arrangement constructed in accordance to another example of the present invention is shown and generally identified at reference numeral 210.
  • the clamp arrangement 210 is shown operatively associated with a power tool 212 for selectively and alternatively retaining various accessories such as a sixth accessory 14f.
  • the exemplary power tool 212 can generally include a tool body 218 including a housing 220 that generally contains a motor 222 that drives an output member 224.
  • the output member 224 can be coupled to a spindle 226.
  • the exemplary power tool 212 is configured for providing an oscillating motion onto the spindle 226.
  • the clamp arrangement 210 while described herein as part of an oscillating hand tool, can also be used with other power tools that releasably secure an accessory.
  • the clamp arrangement 210 can further include a clamp assembly 230 ( Fig. 30 ) that operatively cooperates with a lever 232.
  • the clamp assembly 230 can generally include a first clamp member 236 and a second clamp member 238.
  • the lever 232 can include a lever arm 240 that includes a user engagement portion 242.
  • the lever 232 can further include a pivot portion 246 having a pivot axle 248.
  • the second clamp member 238 can include a second clamp body 250 generally in the form of a ring having a central opening 252.
  • the second clamp body 250 can generally comprise a second clamping surface 254 having a plurality of mounting features 256 formed thereon.
  • the second clamp body 250 and the plurality of mounting features 256 can be formed as a unitary, monolithic part, such as by precision cast steel.
  • the second clamp member 238 is configured such that the second clamping surface 254 does not actually engage the sixth accessory 14f.
  • the plurality of mounting features 256 are in the form of male conical protrusions 258.
  • eight protrusions or male conical protrusions 258 are configured to each have a tapered body portion 260 that generally tapers from the second clamping surface 254 toward a tip 262.
  • the tip 262 can generally comprise a spherical geometry.
  • the male conical protrusions 258 each have a height 264 measured from the second clamping surface 254 to a terminal end 266 of the tip 262.
  • the male conical protrusions 258 can further define an angle 270 measured from a longitudinal axis 272 to an outer surface 276 of the tapered body portion 260.
  • the male conical protrusions 258 can be configured to engage apertures of the sixth accessory 14f at a position intermediate the terminal end 266 of the tip 262 and the second clamping surface 254.
  • the sixth accessory 14f can be clamped with the lever 232 in a first position and the clamp assembly 230 closed ( Fig. 30 ), such that the sixth accessory 14f is offset a distance 280 from the second clamping surface 254.
  • the height 264 can be substantially about 4mm and the angle 270 can be substantially about between 20° and 30° and more specifically 25°.
  • a diameter of the male conical protrusions 258 measured at the second clamping surface 254 can be substantially about 3mm.
  • the surface finish of the male conical protrusions 258 can be sufficiently hard so as not to deform from interaction with the sixth accessory 14f.
  • the male conical protrusions are at least 10 points (Rockwell hardness testing) harder than the sixth accessory 14f. Other heights and angles are contemplated.
  • the first clamp member 236 can generally include a first clamp member body 284 having an annular flange 286.
  • the first clamp member body 284 can include a clamping surface 287 that has a plurality of mounting features 288 that are in the form of recesses that cooperatively receive the corresponding plurality of mounting features 256 of the second clamp member 238.
  • the mounting features 288 can have any configuration, such as blind bores having diameters suitable to accept at least portions of the male conical protrusions 258 of the mounting features 256.
  • the annular flange 286 can generally extend radially from an outer hub 290 of the first clamp member body 284.
  • the annular flange 286 can have a lever opposing surface 291.
  • the first clamp member body 284 can further include an inner hub 292 that defines a first clamp member opening 294.
  • the first clamp member opening 294 can be configured to receive the spindle 226.
  • An annular channel 296 can be formed between the outer hub 290 and the inner hub 292.
  • the annular channel 296 can have a terminal surface 298.
  • the lever 232 can generally include a lever body 300 having the user engagement portion 242 formed generally on a first end and the pivot portion 246 formed on an opposite end.
  • the pivot portion 246 can generally include a pair of lobes 302 that each define an axle passage similar to the axle passage 104 described above with respect to Fig. 3 .
  • the lever body 300 can further include a pocket 308 having a flange opposing surface 310.
  • a retainer plate 312 can be formed on the lever body 100.
  • the retainer plate 312 can be configured to rest on the annular flange 286 when the lever 232 is released.
  • the pivot axle 248 can be configured to pass through the respective axle passages of the lobes 302 and a corresponding axle passage 316 formed through an arm 318 extending from the housing 220.
  • the clamp arrangement 210 can additionally include a biasing member 320 and a washer 326.
  • the biasing member 320 can be at least partially received by the annular channel 296 provided on the first clamp member body 284.
  • the biasing member 320 can be generally supported on an upper end by a washer 326 that is correspondingly supported by a flange on the spindle 226.
  • a distal end of the spindle 226 can be configured to attain a press fit relationship (through the central opening 252) with the second clamp body 250.
  • the sixth accessory 14f can generally be in the form of a cutting member having a working portion 346 and an attachment portion 348.
  • the attachment portion 348 can include a plurality of mounting features 350 in the form of passages formed through the sixth accessory 14f.
  • the attachment portion 348 can further include an open-ended aperture or throat 352 for selectively receiving a portion of the spindle 226 in an assembled position as will be described herein.
  • the plurality of mounting features 350 can be circular and have a diameter 358 of substantially about 2.8mm.
  • the throat 352 can define an angle 360 of about 60°. Other dimensions are contemplated.
  • the diameter 358 is selected to have a geometry such that it will engage the tapered body portion 260 of the male conical protrusions 258 at a location intermediate the terminal end 266 of the tip 262 and the second clamping surface 254. More particularly, the diameter 358 has a geometry that will ensure the attachment portion 348 does not bottom out or rest on top of the second clamping surface 254. In other words, the offset 280 ( Fig. 30 ) must be greater than zero.
  • the mounting features 256 can be arranged to allow the sixth accessory 14f to be indexed at about 30° increments around the second clamping surface 254. Like the mounting features 76 described above, the mounting features 256 are absent at the two, four, eight and ten o'clock positions. It is further appreciated that the clamp assembly 230 can be used to clamp other accessories, such as described herein. Other configurations are contemplated.
  • Figs. 30 and 34 an exemplary sequence of removing the sixth accessory 14f from the clamp assembly 230 will be described according to one example of the present teachings.
  • the clamp assembly 230 is shown in a closed position wherein the biasing member 320 is supported on a first end by the washer 326 and provides a downward biasing force onto the first clamp member 236 at the annular channel 296.
  • the second clamp member 238 is fixed relative to the spindle 226.
  • the male conical protrusions 258 selectively locate into the recesses of the mounting features 288 formed on the first clamp member 236.
  • the sixth accessory 14f therefore is clamped between the clamping surface 287 and the outer surfaces 276 of the respective male conical protrusions 258. Again, the sixth accessory 14f is clamped at a location offset from the second clamping surface 254 of the second clamp member 238. As viewed in Fig. 30 , the lever 232 is shown and generally described herein as the first position. Because the sixth accessory 14f is specifically engaged at the mounting features 350, the sixth accessory 14f can be securely fixed against the clamping surface 287 with minimal or no relative movement between the sixth accessory 14f and the clamp assembly 230.
  • the lever 232 is shown rotated from the first position (phantom line) around the pivot axle axis 249 to a second position (solid line).
  • the clamp assembly 230 In the second position, the clamp assembly 230 is generally in the open position where the first clamp member 236 is displaced or offset relative to the second clamp member 238.
  • a user can urge the user engagement portion 242 (such as by pulling the user engagement portion 242 with an index finger) in a direction generally upwardly as viewed in Fig. 34 and toward the housing 220.
  • the lever 232 In order to rotate the lever 232 around the pivot axle 248, a user must overcome the biasing force of the biasing member 320 ( Fig. 30 ). During rotation of the lever 232 around the pivot axle 248, the flange opposing surface 310 and the pocket 308 of the lever body 300 generally transmits an upward force (in a direction against the biasing force of the biasing member 320) onto the lever opposing surface 291. In this regard, the lever 232 can generally lift the first clamp member 236 at the annular flange 286 to move the clamping surface 287 away from the second clamp member 238.
  • the first and second clamp members 236 and 238, respectively provide enough clearance, such that a user can remove the sixth accessory 14f away from the clamp assembly 230.
  • the pivot axle 248 can be located a distance 370 measured perpendicularly from a point 372 on a longitudinal centerline of the spindle 226.
  • the distance 370 can be long enough to give the user a mechanical advantage to comfortably overcome the bias of the biasing member 320 when moving the lever 232 to the second position (clamp assembly 230 open).
  • a distance 374 measured between the point 372 and a plane defined by the clamping surface 287 can be less than the distance 370.
  • a clamp arrangement constructed in accordance to another example of the present invention is shown and generally identified at reference numeral 410.
  • the clamp arrangement 410 is shown operatively associated with a power tool 210 for selectively and alternatively retaining various accessories.
  • the clamp arrangement 410 is configured for concurrently and simultaneously coupling two distinct accessories.
  • the clamp arrangement 410 incorporates similar components discussed above with respect to the clamp arrangement 10 and 210.
  • the clamp arrangement 410 includes a clamp assembly 412.
  • the clamp assembly 412 operatively cooperates with the lever 232.
  • the clamp assembly 412 can generally include the first clamp member 236 and a second clamp member 238'.
  • the second clamp member 238' is similarly constructed to the clamp member 238 described above with respect to Fig. 30 .
  • the second clamp member 238' incorporates an auxiliary attachment surface 80' and a threaded bore 186'.
  • the threaded bore 186' is configured to threadably receive the fastener 182 as will be described herein.
  • the clamp assembly 412 will be described concurrently retaining the sixth accessory 14f and a seventh accessory 14g.
  • the seventh accessory 14g is a depth control member 420.
  • the depth control member 420 has a body 422 generally in the form of a disk defining a passage 423.
  • the body 422 has a diameter 424 and a work piece engagement surface 430.
  • the depth control member 420 while shown in the drawings as having a constant diameter 424, may have different shapes and/or dimensions.
  • the engagement surface 430 can be inconsistent, planar, nautilus, etc.
  • the passage 423 is shown generally in the center of the body 422, it may be offset.
  • the depth control member 420 can be coupled to the second clamp member 237' of the clamp assembly 412 by threading the fastener 182 into the threaded bore 186'. The depth control member 420 can then locate and be fixed against the auxiliary attachment surface 80'.
  • the depth control member 420 can be configured to limit the cutting depth of a cutting edge 432 on the sixth accessory 14f.
  • the depth control member 420 can extend a predetermined distance relative to the cutting edge 432, such that a depth of cut D1 can be controlled.
  • the work piece engagement surface 430 of the depth control member 420 can engage the work piece being cut and inhibit the cutting edge 432 from cutting into the work piece a distance greater than the depth D1.
  • various seventh accessories 14g can be provided having distinct diameters for controlling a depth of cut for a given application (see Fig. 44 , seventh accessories 14g, 14g2, 14g3 and 14g4).
  • the depth control member 420 can be formed of any durable material such as plastic, metal, or other materials.
  • a user can couple the sixth accessory 14f to the clamp assembly 412 alone or concurrently with the depth control member 420 coupled to the auxiliary attachment surface 80'.
  • the user can easily swap out one of or both of the sixth accessory 14f and the seventh accessory 14g according to a given application.
  • a user may want to swap out between various seventh accessories 14g, 14g2 or 14g3 ( Fig. 38 ) to provide various depths of cut D1, D2 or D3.
  • the clamp arrangement 410 permits the user to swap out one of the sixth accessory 14f or the seventh accessory 14g at any time such as when one wears down from use.
  • the sixth accessory 14f is shown in Fig. 38 as engaging an upper surface of the body 422 of the depth control member 420, the sixth accessory 14f and the seventh accessory 14g may be laterally offset a predetermined distance relative to each other.
  • a seventh accessory 14g' is shown that incorporates a bearing 440 provided between an outer body 442 and an inner body 444.
  • the bearing 440 can permit the outer body 442 to rotate relative to the inner body 444 during use. Consequently, the outer body 442 is not fixed for oscillation with the sixth accessory 14f (or other accessory clamped with the clamp assembly 412).
  • the eighth accessory 14h is an offset control member 450.
  • the offset control member 450 has a body 452 that has a generally planar portion 453 and a hub portion 455.
  • the planar portion 453 has an upper surface 454 and a lower surface 456.
  • the hub portion 455 includes a passage 458.
  • the offset control member 450 can be configured to provide a guide that facilitates making a cut parallel to or a consistent distance from another edge.
  • the planar portion 453 of the offset control member 450 can extend a predetermined offset distance relative to a surface 460 of the sixth accessory 14f.
  • the upper surface 454 of the offset control member 450 can be offset a height H 2 from the surface 460 of the sixth accessory 14f ( Fig. 41 ).
  • the user can engage and/or slide a work piece along the upper or lower surface 454, 456 of the offset control member 450 such that the offset distance H 2 is known relative to the surface 460.
  • the offset control member 450 can be used to control the cutting offset distance relative to the work piece.
  • various eighth accessories 14h can be provided having distinct offsets according to a given application (see also Fig. 44 , eighth accessories 14h, 14h2, 14h3).
  • the offset control member 450 can be formed of any durable material such as plastic, metal, or other materials.
  • a user can couple the sixth accessory 14f to the clamp assembly 412 alone or concurrently with the offset control member 450 coupled to the auxiliary attachment surface 80'.
  • the user can easily swap out one of or both of the sixth accessory 14f and the eighth accessory 14h according to a given application. For example, a user may want to swap out between various eighth accessories 14h, 14h2 and 14h3 ( Figs. 41 and 44 ) to provide various offsets h2, h1, and h3, respectively.
  • the clamp arrangement 410 permits the user to swap out one of the sixth accessory 14f or the eighth accessory 14h as one wears down from use.
  • the clamp assembly 412 will be described concurrently retaining the sixth accessory 14f and a ninth accessory 14j.
  • the ninth accessory 14j is a combination depth and offset control member 470. More specifically, the combination depth and offset control member 470 includes a depth control portion 472 and an offset control portion 474. A passage 476 is formed through the depth control portion 472 of the combination depth and offset control member 470.
  • the combination depth and offset control member 470 can be formed of any durable material such as plastic, metal, or other materials.
  • the combination depth and offset control member 470 can provide the advantages of both of the depth control member 422 and offset control member 450 described above.
  • the depth control portion 472 has a work piece engagement surface 478 that can extend a predetermined distance D 5 relative to the cutting edge 432 of the sixth accessory 14f.
  • the offset control portion 474 can include an upper surface 480 that is offset a distance H 5 from the surface 460 of the sixth accessory 14f.
  • various ninth accessories 14j, 14j2, and 14j3 may be provided that offer various combinations of depths (D 5 , D 6 , and D 7 ) and offsets (H 4 , H 5 , and H 6 ).
  • a user can couple the ninth accessory to the clamp assembly 412 alone or concurrently with the ninth accessory 14j coupled to the auxiliary attachment surface 80'.
  • the user can easily swap out one of or both of the sixth accessory 14f and the ninth accessory 14j according to a given application.
  • a user may want to swap out between various ninth accessories 14j, 14j2, and 14j3 to provide various combinations of depths of cut (D 5 , D 6 , and D 7 ) and offsets (H 4 , H 5 , and H 6 ).
  • a kit 490 of accessories may be provided such that the user may easily exchange between various accessories according to a given application. While the seventh accessories 14g, 14g2, 14g3, and 14g4, eighth accessories 14h, 14h2, and 14h3 and the ninth accessories 14j, 14j2, and 14j3 are illustrated as having various shapes and sizes, those skilled in the art will readily appreciate that other accessories having various combinations of geometries may be provided within the scope of the present teachings. Again, it will also be appreciated that while the clamp assembly 412 is shown operatively clamping the sixth accessory 14f, the clamp assembly 412 may alternatively be used to clamp other accessories such as disclosed herein.
  • the third accessory 14c can generally comprise a sanding platen as described above and known in the art.
  • the tenth accessory 14k can have a clamping portion 502 that is configured to be clamped by the clamp assembly 412.
  • the tenth accessory 14k generally includes an outer containment dome 506 having a chute 508.
  • the containment dome 506 can be configured to encourage dust and/or debris that is being sanded to be directed up through the chute 508.
  • the chute 508 can be connected to a vacuum according to one application. Additionally, the user can easily swap out one of the third accessory 14c or tenth accessory 14k without disturbing the other accessory.
  • the eleventh accessory 14m generally includes a clamping portion 512 that is configured to be clamped by the clamp assembly 412.
  • the eleventh accessory 14m further includes a containment dome 516 having a chute 518 that is configured to administer a polishing fluid 520.
  • the twelfth accessory 14n can be configured similar to the third accessory 14c but may have a work piece engaging surface 524 that is configured to polish the work piece while the fluid 520 is delivered through the chute 518.
  • a reservoir may be connected to the chute 518 and be configured to administer the fluid 520.
  • the configuration provided in Fig. 46 can allow a user to easily swap out either of the eleventh accessory 14m or twelfth accessory 14n without disturbing the other accessory.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Jigs For Machine Tools (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
EP12158765A 2011-03-10 2012-03-09 Outil électrique oscillant Withdrawn EP2497616A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/044,811 US20110266759A1 (en) 2010-04-29 2011-03-10 Oscillating tool

Publications (1)

Publication Number Publication Date
EP2497616A1 true EP2497616A1 (fr) 2012-09-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12158765A Withdrawn EP2497616A1 (fr) 2011-03-10 2012-03-09 Outil électrique oscillant

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EP (1) EP2497616A1 (fr)
CN (1) CN202592349U (fr)

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USD931069S1 (en) 2019-05-03 2021-09-21 Tti (Macao Commercial Offshore) Limited Blade
USD953833S1 (en) 2019-08-22 2022-06-07 Milwaukee Electric Tool Corporation Oscillating multi tool anchor
US11738398B2 (en) 2020-11-18 2023-08-29 Milwaukee Electric Tool Corporation Accessory for an oscillating power tool
USD1048844S1 (en) 2022-07-22 2024-10-29 Milwaukee Electric Tool Corporation Anchor for an accessory attachable to an oscillating multi-tool

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CN103170955B (zh) * 2012-12-29 2015-11-25 南京德朔实业有限公司 附件夹紧机构及带有该附件夹紧机构的动力工具
CN103170956B (zh) * 2012-12-29 2015-12-02 南京德朔实业有限公司 附件夹紧机构及带有该附件夹紧机构的动力工具
JP6403589B2 (ja) * 2015-02-02 2018-10-10 株式会社マキタ 作業工具
CN107015527B (zh) * 2016-01-28 2020-06-05 和硕联合科技股份有限公司 监控系统
CN107081440A (zh) * 2016-02-15 2017-08-22 英格博格马夸特 可摆动驱动的真空支持的工件夹持装置和相关联的真空夹持器
CN215934589U (zh) * 2020-09-04 2022-03-01 南京德朔实业有限公司 动力工具及适用于动力工具的配件装置

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EP0412439A2 (fr) * 1989-08-11 1991-02-13 O'Reilly, Gerard Meuleuse et pièce d'écartement adaptable
US6705807B1 (en) * 1999-11-24 2004-03-16 Black & Decker Inc. Hole saw and connection method
DE102004050799A1 (de) * 2004-10-19 2006-04-20 Robert Bosch Gmbh Wendeschneidblatt mit zumindest zwei Schneiden sowie Schneidblatthalterung
US20060282108A1 (en) * 2003-12-15 2006-12-14 Peter Tanner Coupling device
US20110086582A1 (en) * 2009-10-09 2011-04-14 Sokichi Takemura Mounting device for disk-shaped rotating tool
WO2012022508A1 (fr) * 2010-07-28 2012-02-23 Robert Bosch Gmbh Machine-outil

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EP0412439A2 (fr) * 1989-08-11 1991-02-13 O'Reilly, Gerard Meuleuse et pièce d'écartement adaptable
US6705807B1 (en) * 1999-11-24 2004-03-16 Black & Decker Inc. Hole saw and connection method
US20060282108A1 (en) * 2003-12-15 2006-12-14 Peter Tanner Coupling device
DE102004050799A1 (de) * 2004-10-19 2006-04-20 Robert Bosch Gmbh Wendeschneidblatt mit zumindest zwei Schneiden sowie Schneidblatthalterung
US20110086582A1 (en) * 2009-10-09 2011-04-14 Sokichi Takemura Mounting device for disk-shaped rotating tool
WO2012022508A1 (fr) * 2010-07-28 2012-02-23 Robert Bosch Gmbh Machine-outil

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Publication number Priority date Publication date Assignee Title
USD931069S1 (en) 2019-05-03 2021-09-21 Tti (Macao Commercial Offshore) Limited Blade
USD1015098S1 (en) 2019-05-03 2024-02-20 Techtronic Power Tools Technology Limited Blade
USD953833S1 (en) 2019-08-22 2022-06-07 Milwaukee Electric Tool Corporation Oscillating multi tool anchor
US11738398B2 (en) 2020-11-18 2023-08-29 Milwaukee Electric Tool Corporation Accessory for an oscillating power tool
USD1048844S1 (en) 2022-07-22 2024-10-29 Milwaukee Electric Tool Corporation Anchor for an accessory attachable to an oscillating multi-tool

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