A fastening device for furniture fittings on furniture parts which includes at least one dowel core that can be inserted into a hole of a furniture part. The dowel core can be arranged inside a dowel sleeve, and an actuating device moves the dowel sleeve relative to the dowel core, so that the dowel
A fastening device for furniture fittings on furniture parts which includes at least one dowel core that can be inserted into a hole of a furniture part. The dowel core can be arranged inside a dowel sleeve, and an actuating device moves the dowel sleeve relative to the dowel core, so that the dowel sleeve spreads on the dowel core. The dowel core and the dowel sleeve have at least two, preferably more, corresponding inclined surfaces that are offset in the axial direction, so that if the dowel sleeve is moved relative to the dowel core, the dowel sleeve spreads substantially evenly at two, preferably more, axially offset locations.
대표청구항▼
1. A fastening device for furniture fittings on furniture parts, the device comprising: a radially resilient cylindrical dowel sleeve;a hollow cylindrical dowel core for being arranged inside the dowel sleeve and inserted into a drilled hole of a furniture part; andan actuating device configured to
1. A fastening device for furniture fittings on furniture parts, the device comprising: a radially resilient cylindrical dowel sleeve;a hollow cylindrical dowel core for being arranged inside the dowel sleeve and inserted into a drilled hole of a furniture part; andan actuating device configured to move the dowel sleeve relative to the dowel core, whereby the dowel sleeve is selectively changeable from a relaxed condition to a radially expanded condition,wherein the dowel core has a longitudinal slit in at least substantially an entire length of the dowel core such that it is radially resilient,wherein the dowel sleeve and the dowel core are configured such that moving the dowel sleeve relative to the dowel core using the actuating device causes the dowel sleeve to expand on the dowel core,wherein the dowel core and the dowel sleeve each include two inclined inner or outer annular sidewall surfaces, respectively, that are offset in the axial direction,wherein the dowel sleeve and the dowel core are configured such that the inclined surfaces of the dowel core contact the inclined surfaces of the dowel sleeve in the expanded condition and in the relaxed condition, andwhereby relative axial movement of the dowel sleeve with respect to the dowel core, and radial resilience of the dowel core, causes a substantially even expansion of the dowel sleeve at two axially offset locations. 2. The device of claim 1, wherein the dowel core is constructed as a spring core sleeve. 3. The device of claim 1, wherein the dowel core is provided with at least one additional longitudinal continuous slit. 4. The device of claim 1, wherein the dowel sleeve is at least partially constructed from a metallic material. 5. The device of claim 1, wherein the dowel sleeve is essentially completely constructed from a metallic material. 6. The device of claim 1, wherein the dowel sleeve is at least partially constructed from spring steel. 7. The device of claim 1, wherein the dowel sleeve is essentially completely constructed from spring steel. 8. The device of claim 1, wherein the dowel sleeve has a corrugated inner sheath surface, and the dowel core has a corrugated outer sheath surface which matches the inner sheath surface of the dowel sleeve. 9. The device of claim 1, wherein the actuating device is a hinged lever. 10. A furniture fitting with a fastening device of claim 1. 11. The furniture fitting of claim 10, wherein the furniture fitting includes a fastening flange, wherein the dowel core is arranged on the fastening flange and the dowel sleeve is arranged such that it can be drawn by the actuating device in the direction of the fastening flange. 12. The furniture fitting of claim 10, wherein the dowel core is a first dowel core, the dowel sleeve is a first dowel sleeve, and wherein the furniture fitting further includes: a second dowel sleeve; anda second dowel core for being arranged inside the second dowel sleeve and inserted into another drilled hole of a furniture part,wherein the actuating device is configured to move the second dowel sleeve relative to the second dowel core,wherein the second dowel core is constructed such that it is radially resilient, andwherein the second dowel sleeve and the second dowel core are configured such that moving the second dowel sleeve relative to the second dowel core using the actuating device causes the second dowel sleeve to expand on the second dowel core. 13. The furniture fitting of claim 10, wherein the furniture fitting includes a hinge cup, and the fastening device is arranged outwardly of the hinge cup. 14. The furniture fitting of claim 10, wherein the furniture fitting includes a fastening flange, wherein the dowel core is arranged on the fastening flange and the dowel sleeve is arranged such that it can be drawn by the actuating device in the direction of the fastening flange, andwherein a spacer disk is arranged between the dowel core and the fastening flange. 15. A furniture part with a hole drilled therein, and the furniture fitting of claim 10 fastened to the furniture part with the dowel core and the dowel sleeve projecting into the hole, wherein only the dowel core and the dowel sleeve of the fastening device project into the hole. 16. An item of furniture comprising the furniture part of claim 15, wherein the furniture fitting couples the furniture part to another component of the item of furniture. 17. The device of claim 1, wherein: the dowel sleeve includes a longitudinal slit in at least substantially an entire length of the dowel sleeve. 18. A fastening device for furniture fittings on furniture parts, the device comprising: a radially resilient cylindrical dowel sleeve;a hollow cylindrical dowel core for being arranged inside the dowel sleeve and inserted into a drilled hole of a furniture part; andan actuating device configured to move the dowel sleeve relative to the dowel core, whereby the dowel sleeve is selectively changeable from a relaxed condition to a radially expanded condition,wherein the dowel core has a longitudinal slit in at least substantially an entire length of the dowel core such that it is radially resilient,wherein the dowel sleeve and the dowel core are configured such that moving the dowel sleeve relative to the dowel core using the actuating device causes the dowel sleeve to expand on the dowel core,wherein the dowel core and the dowel sleeve each include two inclined inner or outer annular sidewall surfaces, respectively, that are offset in the axial direction,wherein the dowel sleeve and the dowel core are configured such that they contact each other in the expanded condition and in the relaxed condition,whereby relative axial movement of the dowel sleeve with respect to the dowel core, and radial resilience of the dowel core, causes a substantially even expansion of the dowel sleeve at two axially offset locations, andwherein the inclined surfaces of the dowel sleeve and the dowel core are arranged such that the expansion of the dowel sleeve is substantially even over the entire longitudinal extent of the dowel sleeve disposed in the drilled hole.
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