JOINTING OR POINTING TOOL

Abstract

The present invention discloses a device (100) for abrading or removing material from a joint or groove by means of at least one abrasive area (30) provided at a rib (20) associated with a main body (10).

Claims

1. Device for abrading or removing material from a joint or groove by means of at least one abrasive area provided at a rib associated with a main body.

2. Device according to claim 1 wherein the main body is embodied as a wedge or a three-dimensional trapezium.

3. Device according to claim 1 wherein the main body comprises at least one air chamber in its inner part or at least one indentation on its outside.

4. Device according to claim 1 wherein the abrasive area's side averted from the joint or groove is melted into the rib.

5. Device according to claim 1 wherein the abrasive area's side averted from the joint or groove is glued at the rib.

6. Device according to claim 1 wherein the abrasive area is embodied as a substrate at least sectionally or at least partially provided with abrasive material.

7. Device according to claim 6 wherein the abrasive material comprises bort or ceramic splinters.

8. Device according to claim 6 wherein the abrasive material is isle- or field-wise arranged on the abrasive area and the abraded or removed material is dispatchable between the respective isles or fields.

9. Device according to claim 6 wherein the substrate comprises a tissue carrier tape.

10. Device according to claim 1 wherein the rib is insertable into a recess of the main body and fixable in the recess.

11. Device according to claim 10 wherein the rib is essentially T-shaped and the rib's region averted from the abrasive area is form-fittingly receivable in the recess.

12. Device according to claim 1 wherein the rib's side averted from the abrasive area comprises at its one end at least one snap-in nose.

13. Device according to claim 12 wherein the at least one snap-in nose is arranged at the rib's front end in terms of the working direction.

14. Device according to claim 12 wherein the rib's section comprising the at least one snap-in nose is elastically supported in relation to the rest of the rib.

15. Device according to claim 10 wherein the snap-in nose is engageable into a notch provided in the recess when the rib is inserted in the recess and is disengageable from the notch by pressing a region at the end of the rib in order that the rib can be pulled out of the recess.

16. Device according to claim 15 wherein the region protrudes beyond the main body at the rib's front end in terms of the working direction when the rib is inserted in the recess.

17. Device according to claim 12 wherein the snap-in nose is engageable into a notch provided in the recess when the rib is inserted in the recess and is disengageable from the notch by pressing a region at the end of the rib in order that the rib can be pulled out of the recess.

18. Device according to claim 17 wherein the region protrudes beyond the main body at the rib's front end in terms of the working direction when the rib is inserted in the recess.

19. Device according to claim 1 wherein the rib's region facing the abrasive area comprises a protrusion at one of its two ends or at both ends opposite the main body.

20. Device according to claim 1 wherein the rib's region facing the abrasive area is slanted or angled or bent or curved at one of its two ends or at both ends.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0097] As already discussed hereinbefore, there are various possibilities for embodying and further developing the teaching of the present invention in an advantageous manner. To this end, on the one hand reference is made to the explanations above and to the dependent claims, and on the other hand further embodiments, features and advantages of the present invention are explained in greater detail hereinafter, inter alia based upon the four exemplary embodiments illustrated by FIG. 1A to FIG. 4C.

[0098] It is shown in:

[0099] FIG. 1A in schematic front view a first exemplary embodiment of a device according to the present invention;

[0100] FIG. 1B in schematic rear view the device of FIG. 1A;

[0101] FIG. 1C in schematic side view the device of FIG. 1A and FIG. 1B;

[0102] FIG. 1D in schematic perspective view the device of FIG. 1A to FIG. 1C;

[0103] FIG. 2A in schematic front view a second exemplary embodiment of a device according to the present invention;

[0104] FIG. 2B in schematic rear view the device of FIG. 2A;

[0105] FIG. 2C in schematic side view the device of FIG. 2A and FIG. 2B;

[0106] FIG. 2D in schematic perspective view from below the device of FIG. 2A to FIG. 2C;

[0107] FIG. 2E in schematic perspective view from above the device of FIG. 2A to FIG. 2D;

[0108] FIG. 3A in schematic perspective view a main body or corpus of a third exemplary embodiment of a device according to the present invention;

[0109] FIG. 3B in schematic bottom view the main body or corpus of FIG. 3A;

[0110] FIG. 3C in schematic perspective view a rib of the third exemplary embodiment of the device according to the present invention;

[0111] FIG. 3D in schematic perspective view a detailed view of the, in terms of the working direction, front section of the rib of FIG. 3C;

[0112] FIG. 3E in schematic side view the rib of FIG. 3C and FIG. 3D;

[0113] FIG. 3F in schematic perspective view the rib of FIG. 3C to FIG. 3E;

[0114] FIG. 4A in schematic side view a rib of the fourth exemplary embodiment of the device according to the present invention;

[0115] FIG. 4B in schematic front view a main body or corpus of the fourth exemplary embodiment of the device according to the present invention; and

[0116] FIG. 4C in schematic side view the fourth exemplary embodiment with the rib of FIG. 4A and with the main body or corpus of FIG. 4B.

[0117] Like or similar embodiments, elements or features are provided with identical reference signs in FIG. 1A to FIG. 4C.

DETAILED DESCRIPTION OF THE INVENTION

[0118] In order to avoid unnecessary repetitions, the explanations below relate to [0119] the first exemplary embodiment of the present invention illustrated on the basis of FIG. 1A to FIG. 1D, [0120] the second exemplary embodiment of the present invention illustrated on the basis of FIG. 2A to FIG. 2E, [0121] the third exemplary embodiment of the present invention illustrated on the basis of FIG. 3A to FIG. 3F, and [0122] the fourth exemplary embodiment of the present invention illustrated on the basis of FIG. 4A to FIG. 4C [0123] with respect to the configurations, features and advantages of the present inventionunless otherwise indicated.

[0124] The device 100 illustrated on the basis of FIG. 1A to FIG. 4C serves to abrade or remove material from a joint or groove by means of an abrasive area 30 provided at a rib 20, said rib 20 being allocated to a main body 10 embodied as a wedge or a three-dimensional trapezium.

[0125] For damping purposes, the main body 10 comprises in its inner part two air chambers 12 according to the first exemplary embodiment (cf. FIG. 1A to FIG. 1D). Alternatively, the main body 10 comprises on its outside for damping purposes two circumferential indentations 14 according to the second exemplary embodiment (cf. FIG. 2A to FIG. 2E).

[0126] The side of the abrasive area 30 which is averted from the joint or groove can be melted into the surface of the rib 20, for example by means of ultrasonic welding. Alternatively, the side of the abrasive area 30 which is averted from the joint or groove can be glued and/or thermally, in particular thermoplastically, fixed at the rib 20.

[0127] The abrasive area 30 of the rib 20 is embodied as a substrate, in particular a tissue carrier tape, which is at least sectionally or at least partially provided with abrasive material, in particular with bort and/or with ceramic splinters, wherein the abrasive material can be arranged isle- or field-wise on the abrasive area 30 in order that the abraded or removed material can be dispatched between the respective isles or fields.

[0128] The third exemplary embodiment according to FIG. 3A to FIG. 3F comprises an exchangable rib 20. Therefor, the essentially T-shaped rib 20 is inserted into a notch-type recess 16 of the main body 10, said recess 16 being embodied as a receptive shaft. The region of the rib 20 which is averted from the abrasive area 30 is disengageably fixed in the recess 16 of the main body 10 in a form-fitting way.

[0129] As can be taken in particular from the detailed view in FIG. 3D, the side of the rib 20 which is averted from the abrasive area 30 comprises at its, in terms of the working direction, front end a snap-in nose 22, said side being embodied as elastically mounted tongue within an isolated area. The snap-in nose 22 engages into a notch 18 (to the left in FIG. 3B) provided in the recess 16 when the rib 20 is inserted in the recess 16, said notch 18 being embodied as transverse furrow.

[0130] The rib 20 can be disengaged, namely pulled out of the recess 16, by pressing a fluted region 24 at the, in terms of the working direction, front end of the rib 20, said region 24 being adjacent to the snap-in nose 22, for example for inserting and fixing another or a fresh or new rib 20 in the recess 16.

[0131] By means of the snap-in nose 22, it can also be avoided that the rib 20 is inserted into the recess 16 in the wrong direction. For avoiding such maloperation, the rib 20 may be provided with at least one marking, for example with at least one arrow, indicating the correct insertion direction.

[0132] In order to be able to better grasp the fluted region 24, said fluted region 24 protrudes beyond the main body 10 at the, in terms of the working direction, front end of the rib 20 when the rib 20 is inserted in the recess 16.

[0133] As a result, the third exemplary embodiment according to FIG. 3A to FIG. 3F thus discloses the possibility to replace or change the rib 20 assigned to the main corpus 10 which is enabled by the form-fitting reception of the rib 20 (cf. FIG. 3C to FIG. 3F) in the essentially T-shaped recess (=receptive shaft 16) of the main corpus 10 (cf. FIG. 3A and FIG. 3B).

[0134] In the fourth exemplary embodiment according to FIG. 4A to FIG. 4C, the option is illustrated to exchange the abrasive area 30 at the rib 20 by means of a clamp-like clicking system 28.

LIST OF REFERENCE SKINS

[0135] 100 device

[0136] 10 main body or corpus

[0137] 12 air chamber

[0138] 14 indentation

[0139] 16 recess, in particular furrow or receptive shaft

[0140] 18 notch, in particular transverse furrow

[0141] 20 rib

[0142] 22 snap-in nose

[0143] 24 region at the end of the rib 20

[0144] 26 protrusion of the rib's 20 region facing the abrasive area 30 at one of its two ends or at both ends opposite to the main body or corpus 10

[0145] 28 clicking system, in particular clamp-like clicking system

[0146] 30 abrasive area