CN102333619A - Eraser assembly for a rotary tool - Google Patents
Eraser assembly for a rotary tool Download PDFInfo
- Publication number
- CN102333619A CN102333619A CN2008801323934A CN200880132393A CN102333619A CN 102333619 A CN102333619 A CN 102333619A CN 2008801323934 A CN2008801323934 A CN 2008801323934A CN 200880132393 A CN200880132393 A CN 200880132393A CN 102333619 A CN102333619 A CN 102333619A
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- China
- Prior art keywords
- eraser
- hub
- dish
- assembly
- hole
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- 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
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
A two piece eraser assembly for use as a rotary tool attachment for abrading surfaces enables quick and easy replacement of worn eraser disks without requiring the assistance of any hand held tools in either the removal or in the reinstallation process. The assembly, including aftermarket replacement parts therefor, comprise an eraser disk and an eraser hub for mounting and holding the eraser disk. The eraser hub upper surface features a centrally positioned throughbore, a flange at the peripheral edge of the hub and a stub shaft on the lower surface positioned axially with the throughbore. The eraser hub lower surface comprises a plurality of mounting elevations keyed for engaging with the spaced apertures or slots in the eraser hub for securely locking the eraser disk to the eraser hub, avoiding slippage of the eraser disk during operation, while allowing quick replacement when worn with manual dexterity only.
Description
Technical field
The present invention relates to rotate milling tool.More particularly, the present invention relates to erasing type and rotate milling tool.
Background technology
Erasing type rotates milling tool and is known and generally includes the rotating drive annular disk of being processed by elastomeric material, is commonly referred to as " eraser wheel (eraser wheel) " or " eraser dish (eraser disk) ".Erasing type rotates milling tool and is used for removing jointing material from the metal surface, such as coating and decal paper.The eraser dish is with high speed rotating and press jointing material and remove.The eraser dish of the type tends to distortion in time and therefore lost efficacy.Therefore, the eraser dish needs to change continually, in the process of accomplishing single-piece work of being everlasting, changes.
At United States Patent (USP) 5,259, in 914, Fisher discloses to have and has been embedded in the dish type erase unit of wiping the flat disc in the part.This dish has central opening and two emargination mouths.When embedding dish and rubber being wiped part when molded, elastomeric material will be filled this two emargination mouths.Bolt with slender axles extends through the central opening of dish and passes through nut and spacers.Be attached to device of rotation driving from the slender axles of wiping the part extension.When erase unit when workpiece rotates, the neighboring wearing and tearing also are updated.Because embedding dish and wipe the minimum mechanical interlocking between the material, this system seriously relies on and embeds between the disk material sufficiently high viscosity and the enough high strength of wiping material to prevent the embedding dish and shear loosening and in eraser, to rotate freely.
For overcoming the dish sliding problem that uses the disclosed invention of Fisher to be caused, United States Patent (USP) 6,309, the disclosed invention of 292 people such as () Montabaur provides at eraser and has been connected to parts interlocking more completely between dish or the hub of instrument.People such as Montabaur disclose and have been used for the turning tool that from metal surface erasing type grinds bonding residue, have the elastomeric material external crown that is installed on the dish type retainer, and it drives rotationally and is connected to the dish type retainer through interior crown.Attached in this way eraser dish requires before changing eraser, to remove this crown.
But the people mentioned like Montabaur etc., and the eraser dish can not easily be changed.The replacing of eraser dish often relates to from master tool separates hub or a plurality of parts.Several steps of this complicacy are inefficient, especially when needs frequent change eraser dish.At United States Patent (USP) 6,136, in 146, people such as Winter have recognized the demand of frequent change eraser dish.People's such as Winter invention allows the user under the situation that does not remove hub from master tool, to change eraser dish, attached this hub of eraser dish.But people such as Winter do not disclose the eraser dish of fast changeable.But the disclosed eraser dish of people such as Winter is attached to hub through complicated interlocking member, and in a preferred embodiment, the eraser dish is molded into hub.Attached in this way disc floret is taken the extra time and the user is changed the eraser dish is inconvenient.
Therefore, for a long time, need a kind of rotation milling tool assembly, it is not used in the shortcoming of the previous instrument of erasing type grinding.Specifically, exist a kind of replacing dish more easily and do not carry out the needs of the equipment of replacing process dull and consuming time.
Summary of the invention
Therefore the present invention relates generally to a kind of eraser assembly; This eraser assembly allows apace the eraser dish of wearing and tearing is removed from the eraser hub, and allow in any process with the replacement dish reinstall to fast and expediently on the hub and without any need for handheld tool using and auxiliary.
Therefore, main purpose of the present invention provides a kind of eraser assembly that is used for turning tool, and this eraser assembly comprises eraser dish and the eraser hub that is used to install and keep the eraser dish.The eraser hub comprises upper surface and lower surface, wherein eraser hub upper surface comprise the centralized positioning through hole, at the flange at the periphery edge place of hub and on lower surface and the spindle nose through hole axial location (stub shaft).The eraser hub comprises a plurality of isolated holes or groove engaging with the eraser dish and to lock the eraser dish with detachable mode, thereby it is concordant with the eraser hub.The eraser dish preferably is made up of the polymer such as elastomeric material or other durable elastic material, and comprises upper surface and the lower surface opposite with upper surface.The upper surface of eraser dish comprises the hole that central concave and being by bonding (keyed) in depression are axially aligned with the through hole of eraser hub.The eraser dish also is equipped with a plurality of teeth that radially extend to its periphery edge from central concave.With the upper surface opposing lower surface of eraser dish also comprise by the key formula be bonded into the eraser hub in isolated hole or groove engage securely the eraser dish is locked onto a plurality of installations protuberances of eraser hub or protruding, avoid the slip of eraser dish in running.
Therefore, a main purpose of the present invention provides a kind of eraser assembly that is used for turning tool.This assembly comprises elasticity eraser dish and the eraser hub that is used to install and keep the rigidity basically of eraser dish.The eraser dish comprises upper surface and the lower surface opposite with upper surface.Similarly, the eraser hub has upper surface and the lower surface opposite with upper surface.The upper surface of eraser dish comprises the device that is used for grinding work-piece; And the lower surface of eraser dish comprises a plurality of spaced ridges or convexity, and protuberance or protruding has by the key formula and is bonded into the device that engages with detachable mode with a plurality of isolated opening or the groove of eraser hub below.The upper surface of the lower surface of eraser dish and eraser hub is preferably concordant each other when engagement.The eraser assembly comprises central opening, and central opening is used for and for example engages from the circular shaft of turning tool, or alternatively be suitable for being connected to being coupling of turning tool and close.
More particularly, above-mentioned eraser assembly is included in a plurality of spaced ridges on the lower surface of eraser dish, and wherein spaced ridges also can have the ring of increase or locking cap.Protuberance can have enough length; Make when eraser hub and eraser dish engage fully; Increase ring on the end of spaced ridges/convexity or locking cap leave in isolated opening or the groove on the lower surface of eraser hub and owing to its preferred elastic properties expands, thereby releasably the eraser dish are locked onto the eraser hub.As another preferred structure characteristic of the present invention, increase ring or locking cap on a plurality of spaced ridges are somewhat frusto-conical.
Alternatively; A plurality of spaced ridges on the lower surface of eraser dish can with the sidewall of opening in the eraser hub or groove preferably the shoulder, convex ridge or the countersunk that extend internally of 360 ° of ground engage, thereby releasably the eraser dish is fixed to the eraser hub.
According to the present invention, the upper surface of eraser hub comprises the through hole of centralized positioning, at the flange at the periphery edge place of eraser hub and the spindle nose of axially aligning with the centralized positioning through hole on lower surface.
Except the said structure characteristic, the upper surface of eraser dish comprises the opening of central concave and centralized positioning in depression, and the spindle nose of its split shed and through hole and eraser hub is axially aligned.As preferred embodiment, the device that is used for grinding work-piece comprises a plurality of teeth that radially extend to the periphery edge of eraser dish usually from central concave.
Another object of the present invention provides the device that is used for the eraser assembly is connected to turning tool, and this turning tool for example is the right angle drilling machine with threaded drive shaft.For this reason, the eraser assembly can comprise that the spindle nose that for example has thread center's opening, the rectangular aperture with locking device or other can compatible composition surfaces, with the eraser assembly attached be fixed to rotary power tool.The spindle nose that is suitable for admitting driving shaft is also considered in the invention of eraser assembly, is used for the eraser assembly is connected to the chuck such as the power tool of electric drilling machine.
Another purpose of the present invention provides the novel replacement parts that are used for the eraser assembly.Specifically, the present invention considers the eraser dish replacement of after market.The eraser dish comprises upper surface and the lower surface opposite with upper surface, wherein the upper surface of eraser dish comprise central concave and in depression be bonded into by the key formula with the eraser hub in the central opening hole of axially aligning.The upper surface of eraser dish comprises the device that is used for grinding work-piece; And the lower surface of eraser dish comprises a plurality of isolated installation protuberances or protruding; Installation protuberance or protruding being bonded into by the key formula engage and are locked in the isolated hole or groove of eraser hub, are used for detachable mode the eraser dish being attached to the eraser hub.
Still another purpose of the present invention provides a kind of eraser dish of being processed by elastomeric material or elastomeric material, and the eraser dish comprises the device that is used for grinding work-piece, such as a plurality of teeth of the periphery edge from the central concave radial displacement to the eraser dish.The eraser dish preferably includes a plurality of isolated installation protuberances or protruding; More particularly; Periphery edge or increase ring or the cap that shoulder engages that protuberance or protruding has the sidewall of hole or groove on the sidewall with the eraser hub are installed, so that the eraser dish is attached to the eraser hub with detachable mode.Protuberance or protruding increase cap and ring are installed are preferably somewhat frusto-conical, with the hole of eraser hub in convex ridge, shoulder, countersunk etc. engage definitely.The present invention also considers an embodiment; Among this embodiment; When said eraser dish is concordant with hub when being bonded together; The locking cap of the end of protuberance or encircle the extensible isolated hole of eraser hub or the edge of groove of surpassing, wherein locking cap or ring expand when leaving opening or groove, thereby with detachable mode the eraser dish are attached to the eraser hub.
Another purpose of the present invention is that this replacement eraser hub is used to install the eraser dish for after market provides a kind of replacement eraser hub.Preferably, the eraser hub is processed by rigid material, such as thermoplastic or thermosetting resin or such as the metal of aluminium, steel and alloy.This respect of the present invention is considered the eraser hub that comprises upper surface and the lower surface opposite with upper surface, and the eraser dish is installed to upper surface.The upper surface of eraser hub preferably includes central through hole and at the flange at the periphery edge place of eraser hub.The lower surface of eraser hub can be equipped with the screw thread spindle nose, and the screw thread spindle nose is used for engaging with circular shaft such as the turning tool of right angle drilling machine.Spindle nose is not limited to the threaded circular oblique crank Z, also can be rectangle or square.Alternatively, spindle nose can have and is suitable for the extension that engages with the chuck of drilling machine or other rotary power tool.Spindle nose and through hole are axially aligned.
The eraser hub that is used for after market also comprises the array of isolated opening or groove, is used for attached eraser dish.In a preferred embodiment, the sidewall of isolated opening or groove have extend internally with the installation of eraser dish protuberance or protruding shoulder, convex ridge or the countersunk that engages with detachable way.
The detail specifications through with reference to the accompanying drawings and the instruction of appended claims, to those skilled in the art, of the present invention these will become more obvious with other purpose, feature and advantage.
Description of drawings
To in following detail specifications of the present invention, characteristic of the present invention and operator scheme be described more completely with reference to accompanying drawing now, in the accompanying drawing:
Fig. 1 is the perspective view that is attached to the eraser assembly of turning tool;
Fig. 2 is the perspective view of the eraser assembly of separating from turning tool;
Fig. 3 is the birds-eye perspective of eraser assembly;
Fig. 4 is the face upwarding view of eraser assembly;
Fig. 5 is the eraser dish of separation and the birds-eye perspective of eraser hub;
Fig. 6 is the eraser dish of separation and the face upwarding view of eraser hub;
Fig. 7 is the sectional view that partly inserts the eraser dish of eraser hub;
Fig. 8 is the sectional view that is placed in the eraser hub on the eraser dish;
Fig. 8 a is the amplification view of circle among Fig. 8, and the mounting boss cap with the edge join of the countersunk of the sidewall of the groove of eraser hub is shown;
Fig. 9 is the sectional view that inserts the eraser dish of eraser hub fully;
Fig. 9 a is the amplification view of circle among Fig. 9, and mounting boss or the cap of protuberance and protuberance and the shoulder of eraser hub in complete insertion groove/hole is shown, and wherein mounting boss is embedded into eraser hub lower surface, and the top edge of cap is concordant with the lower surface of hub;
Figure 10 is the sectional view of alternate embodiment that inserts the eraser dish of eraser hub fully;
Figure 10 a is the amplification view of circle among Figure 10, and the mounting boss of the eraser dish in the groove/hole of inserting the eraser hub fully or the shoulder of protuberance and cap and eraser hub opening/groove are shown, and mounting boss embeds in this opening/groove.
The specific embodiment
At first, should understand Reference numeral identical in the different views and represent same structure spare of the present invention.Though think that through current preferred embodiment describes the present invention, should understand and the invention is not restricted to the disclosed embodiments.
In addition, should understand and the invention is not restricted to described specific method, material and modification, and can change certainly thus.It can also be appreciated that term as used in this specification only is in order to describe the purpose of specific embodiment, and be not intended to limit scope of the present invention, scope of the present invention is only limited appended claims.
Only if otherwise definition, otherwise has the identical implication with person of ordinary skill in the field of the present invention institute common sense at employed all technology of this paper and scientific terminology.Though practice of the present invention or the test in can use and those similar or be equal to any method, device and materials described herein, current description be preferable methods, device and material.
At first with reference to Fig. 1, wherein turning tool indicates with Reference numeral 11, and illustrates and generally include the electric wire 12 that is used for power supply.Turning tool 11 is connected to the eraser assembly 13 that is in the complete rigging position.The eraser assembly 13 of assembling indicates with Reference numeral 14 with turning tool 11 fully.The unassembled view of turning tool shown in Fig. 2 11 and the eraser assembly 13 of separating.
Fig. 3 illustrates the vertical view of eraser assembly 13.The preferred embodiment comprises the terminal positioning convex cap 27 of a plurality of isolated, radial arrangement, and raised cap 27 is passed the top side that hole or groove 19 (Fig. 5) embed eraser assembly 13.In addition, the top side of eraser assembly 13 comprises screw thread spindle nose 18, and screw thread spindle nose 18 is connected to eraser assembly 13 on the axle of turning tool 11.The downside of eraser assembly 13 also comprises a plurality of tooth lappings 30 and tapped through hole 21, and is as shown in Figure 4.
Fig. 5 illustrates the eraser assembly 13 of the form of disassembling, and it has eraser hub separated from one another 15 and eraser dish 16.The two shape of eraser hub 15 and eraser dish 16 all is that circle and diameter are roughly the same.Disassemble in the view at this, the mounting boss 26 on the eraser dish lower surface 24 be cylindrical shape and outwards protrude with radial mode.The mounting boss or 26 pairs of the engaging of hole 19 with eraser hub 15 of swelling are important.Mounting boss cap 27 is positioned on terminal or first end of each mounting boss 26.Each mounting boss cap 27 is preferably like Fig. 7 and the shown frustoconical of Fig. 8 a, and has the big diameter (Fig. 5) of diameter than the axle of mounting boss 26.On the periphery edge of eraser dish lower surface 24, also can see depression 25.Depression 25 engages with the inward flange of complimentary fashion with the flange 23 of eraser hub upper surface 22, illustrates like Fig. 6 institute the best.Each hole 19 also can be seen in Fig. 5 on the eraser hub 15, and each hole 19 has the shoulder 20 on its first end.
Eraser dish upper surface 29 comprises a plurality of tooth lappings 30 and centre bore 28.The elastic grinding tooth 30 of protrusion is the annular array that extends radially outwardly and with trapezoidal being tapered roughly.Tooth 30 can have the arc outer end, and the arc outer end is arranged along the circular path of the periphery that forms eraser dish 16.Tooth 30 extends to outward flange or the periphery edge or the flange 23 of eraser hub 15 equably from centralized positioning sunk area 29, joins up to the flange of tooth and hub.Eraser dish recessed lower surface 29 is circular and around central opening 28, and central opening 28 illustrates with cylindrical configuration.Should be understood that through hole and axial location spindle nose can have other suitable configuration, such as rectangle, it is with acting on the suitable shape that engages with chuck such as the power tool of drilling machine.As by among Fig. 6 shown in the dotted line, central opening 28 is admitted the through hole 21 of eraser hubs 15, between two surfaces, produces frictional fit.Through hole can as shown in be threaded.The two can be the circular cross section of same diameter for central opening 28 and tapped through hole 21.
Compress when engaging with shoulder 20 through applying of Manual pressure in the zone in the hole 19 of eraser hub when each mounting boss 26 with mounting boss cap 27, eraser hub 15 is connected to each other with detachable mode with eraser dish 16.This is connected, and the best illustrates among Fig. 7-9a.Fig. 7 is the side view cutaway drawing that partly inserts the eraser dish 16 of eraser hub 15, and wherein tapped through hole 21 partly inserts central opening 28 from 22 extensions of eraser hub upper surface and along eraser dish lower surface 24.Fig. 8 illustrates the eraser dish 16 of further insertion eraser hub 15, and wherein the hole 19 on the eraser hub 15 engages with the flange 7 of the mounting boss cap 27 of eraser dish 16, raised cap is locked onto the convex ridge or the shoulder 19 of eraser hub 15.First end of mounting boss cap 27 and second end in contact in hole 19 are shown in Fig. 8 a.
In Fig. 9 and Fig. 9 a, eraser dish 16 inserts eraser hub 15 fully.Fig. 9 illustrates mounting boss 26 complete patchholes 19, and through hole 21 inserts the central opening 28 of eraser dish fully and protrude a little from eraser dish upper surface 29.When inserting fully, the flange 23 at the porch place of depression 25 and eraser hub contacts fully, and making does not have spacing between them.Fig. 9 a is a corresponding mounting boss 26 and the amplification sectional view of corresponding mounting boss cap 27 with the complementary fit of corresponding shoulder 20 in the hole 19; Wherein on eraser hub lower surface 17, can see each mounting boss 26 and corresponding mounting boss cap 27, thereby they are roughly concordant with the lower surface of eraser hub.When changing the eraser dish of eraser assembly 13, these operating procedures are only accomplished the installation of eraser dish 16 to eraser hub 15 through hand skill, and do not need hand-operated tools or miscellaneous equipment.
Though the present invention is through the embodiment example of eraser assembly; Wherein the eraser dish is included in protuberance or the mounting boss on the lower surface of eraser dish; Protuberance or mounting boss have the increase cap; And the eraser hub comprises being bonded into by the key formula and admits and with detachable mode the eraser dish is locked onto the isolated hole of hub, but the present invention also imagines other alternate embodiment is arranged.For example, the eraser hub can comprise the protuberance of rigidity basically, the mounting boss cap from the upper surface of hub extend axially with the lower surface of eraser dish in isolated hole or groove engage.Hole or groove in the lower surface of eraser dish can for example also have to projecting inward shoulder or convex ridge, are used for mooring and concordant installation eraser hub and eraser dish with engage ridges or mounting boss with admittance.
In another embodiment of the present invention, according to Figure 10 and Figure 10 a, when inserting fully, the mounting boss 26 and the corresponding mounting boss cap 27 of eraser dish 16 do not extend through eraser hub lower surface 17.But the hole 19 and the corresponding shoulder 20 of eraser hub 15 are retained in eraser hub lower surface 17 belows and embed eraser hub 15.Though this is attached through slightly different method completion, eraser dish 16 is identical with first preferred embodiment to being connected on the function of eraser hub 15.
All embodiment provide the connection of eraser hub 15 to eraser dish 16; It is suitable for being formed for the eraser assembly 13 of turning tool; This turning tool allows the user to change the eraser dish of assembly fast and easily and do not need hand-operated tools, can carry out through hand skill on the contrary.
Therefore, can see that the object of the invention realizes effectively, but for the person of ordinary skill of the art, change of the present invention and modification are significantly, these changes do not break away from spirit of the presently claimed invention and scope.
Claims (17)
1. eraser assembly that is used for turning tool comprises:
Elasticity eraser dish and the eraser hub that is used to install and keep the rigidity basically of said eraser dish; Said eraser dish has upper surface and the lower surface opposite with said upper surface; Said eraser hub has upper surface and the lower surface opposite with said upper surface; The said upper surface of said eraser dish comprises the device that is used for grinding work-piece; The said lower surface of said eraser dish comprises a plurality of spaced ridges; Said a plurality of spaced ridges have by the key formula be bonded into said eraser hub in the device that engages with detachable way of a plurality of isolated hole or groove, wherein, the said lower surface of said eraser dish and the said upper surface of said eraser hub are concordant each other when engagement; Said eraser assembly comprises central opening, said central opening be used for close from being coupling of turning tool or be suitable for being connected to being coupling of turning tool and close.
2. eraser assembly as claimed in claim 1; Wherein, Said a plurality of spaced ridges on the said lower surface of said eraser dish comprise increasing to be encircled or locking cap; Said spaced ridges has enough length; Thereby when said eraser hub and eraser dish engaged fully, said isolated hole on the said lower surface that the said increase ring of said spaced ridges or locking cap leave said eraser hub or groove also expanded and with detachable mode said eraser dish are locked onto said eraser hub.
3. eraser assembly as claimed in claim 2, wherein, the said increase ring or the locking cap of said a plurality of spaced ridges are somewhat frusto-conical.
4. eraser assembly as claimed in claim 1; Wherein, Said a plurality of spaced ridges on the said lower surface of said eraser dish comprise the elasticated end locking cap of increase, and the said isolated hole or the groove of said eraser hub have sidewall, and said sidewall has interior shoulder, convex ridge or the countersunk that extends internally; Admitting and to engage the elasticated end locking cap of said increase, thereby said eraser dish is fixed to said eraser hub with detachable mode.
5. eraser assembly as claimed in claim 1; Wherein, the said upper surface of said eraser hub be included in the through hole of centralized positioning, at the flange at the periphery edge place of said eraser hub and the spindle nose of on said lower surface, axially aligning with the through hole of said centralized positioning.
6. eraser assembly as claimed in claim 5; Wherein, The said upper surface of said eraser dish comprises the opening of central concave and centralized positioning in said depression, and the said spindle nose of said opening and said through hole and said eraser hub is axially aligned, and; The said device that is used for grinding work-piece comprises a plurality of teeth, and said a plurality of teeth radially extend to the periphery edge of said eraser dish from said central concave.
7. eraser assembly as claimed in claim 1, wherein, be used to admit from the axle of turning tool or be used for and be suitable for being connected to said central opening that being coupling of turning tool close be thread spindle or essentially rectangular spool.
8. eraser hub that is used to install the eraser dish; Said eraser hub comprises and is used for the eraser dish is installed to upper surface and the lower surface opposite with said upper surface on the eraser hub; Said upper surface has central through hole and at the flange at the periphery edge place of said eraser hub; The said lower surface of said eraser hub has and is used for and closes from being coupling of turning tool or be used for and be suitable for being connected to the spindle nose that being coupling of turning tool closed; Said spindle nose and said through hole are axially aligned, and said eraser hub comprises the array of isolated hole or groove, so that the eraser dish is attached to said eraser hub.
9. eraser hub as claimed in claim 8; Wherein, The sidewall of said isolated opening or groove has shoulder, convex ridge or the countersunk that extends internally, so that with installation protuberance or bump bonds on the said lower surface of detachable mode and said eraser dish.
10. eraser hub as claimed in claim 9, wherein, said spindle nose is round thread axle or rectangular shape.
11. eraser dish that is used for turning tool; Said eraser dish comprises upper surface and the lower surface opposite with said upper surface; The said upper surface of said eraser dish has central concave and in said depression, is bonded into the hole of axially aligning with the central opening of eraser hub by the key formula; Said upper surface comprises the device that is used for grinding work-piece; Said lower surface comprises a plurality of isolated installation protuberances or protruding, and said a plurality of isolated installation protuberances or protruding being bonded into by the key formula engage and be locked in the isolated hole or groove in the said eraser hub, thereby with detachable mode said eraser dish are attached to said eraser hub.
12. eraser dish as claimed in claim 10, said eraser dish is processed by elastomeric material, and wherein, the said device that is used for grinding work-piece comprises a plurality of teeth of the periphery edge from said central concave radial displacement to said eraser dish.
13. eraser dish as claimed in claim 12; Wherein, Said a plurality of isolated installation protuberance or convexity comprise increasing to be encircled or cap; Said increase ring or cap be used for from the isolated hole of said eraser hub or the sidewall of the groove periphery edge or the shoulder that extend internally engage, thereby with detachable mode said eraser dish is attached to said eraser hub.
14. eraser dish as claimed in claim 13, wherein, said isolated installation protuberance or protruding said increase cap or ring are somewhat frusto-conical.
15. eraser dish as claimed in claim 12; Wherein, Said a plurality of installation protuberance or protruding locking cap or the ring that is included in its end; Said locking cap or ring are suitable for when said eraser dish and eraser hub evenly are bonded together, extending beyond the height of said eraser hub, and wherein said locking cap or ring expand and with detachable mode said eraser dish be attached to said eraser hub.
16. power tool that comprises eraser assembly as claimed in claim 1.
17. power tool that comprises eraser assembly as claimed in claim 6.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2008/013742 WO2010071618A1 (en) | 2008-12-16 | 2008-12-16 | Eraser assembly for a rotary tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102333619A true CN102333619A (en) | 2012-01-25 |
Family
ID=42269064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801323934A Pending CN102333619A (en) | 2008-12-16 | 2008-12-16 | Eraser assembly for a rotary tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102333619A (en) |
| WO (1) | WO2010071618A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141830A (en) * | 2015-05-13 | 2016-11-23 | 通用汽车环球科技运作有限责任公司 | Grinder assembly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9718163B1 (en) * | 2016-01-27 | 2017-08-01 | Storm Pneumatic Tool Co., Ltd. | Eraser wheel assembly structure |
| IT201700097984A1 (en) * | 2017-08-31 | 2019-03-03 | Surfaces Tech Abrasives S P A | SANDER TOOL |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5332098A (en) * | 1991-06-24 | 1994-07-26 | Fisher Tool Co., Inc. | Portable preparation tool kit for automobile body work |
| US5544991A (en) * | 1995-02-13 | 1996-08-13 | Ford Motor Company | Locking frustrum nut |
| WO1997021520A1 (en) * | 1995-12-08 | 1997-06-19 | Norton Company | Backing plates for abrasive disks |
| US7588484B2 (en) * | 2006-01-19 | 2009-09-15 | Nao Enterprises, Inc. | Mounting system for grinding wheels and the like |
-
2008
- 2008-12-16 WO PCT/US2008/013742 patent/WO2010071618A1/en active Application Filing
- 2008-12-16 CN CN2008801323934A patent/CN102333619A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141830A (en) * | 2015-05-13 | 2016-11-23 | 通用汽车环球科技运作有限责任公司 | Grinder assembly |
| US9969053B2 (en) | 2015-05-13 | 2018-05-15 | GM Global Technology Operations LLC | Grinder adaptor assembly |
| CN106141830B (en) * | 2015-05-13 | 2018-11-16 | 通用汽车环球科技运作有限责任公司 | Grind thermomechanical components |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010071618A1 (en) | 2010-06-24 |
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Application publication date: 20120125 |