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1. WO2020058831 - TELESCOPIC FOOT FOR FURNITURE AND/OR FURNISHING ITEMS WITH SIMPLIFIED ASSEMBLY AND SYSTEM USING SAID FOOT

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[ EN ]

CLAIMS

1. A telescopic foot for furniture and/or furnishing items comprising a hollow body of the foot (20, 120, 220, 320) which houses in its interior a supporting foot (21,121,221,321) designed for telescopically sliding in a lowering or lifting position with respect to said body of the foot (20, 120, 220, 320) , by means of an internal control mechanism or kinematic mechani sm, characterized in that said internal control mechanism or kinematic mechanism is actuated by means of a control transmission bevel gear (29, 30, 31) positioned between a first actuation opening (35) of said bevel gear and a second telescopically sliding opening (54 ) of said supporting foot (21, 121, 221, 321) , said first and second opening (35, 54) being formed in said body of the foot (20, 120,220,320) , one lateral and the other axial to the body of the foot and being positioned orthogonally to each other to each receive an element of said bevel gear (29,30,31), means being provided which allow the sliding of the supporting foot (21,121,221,321) with respect to the body of the foot (20,120,220,320), said telescopic foot further comprising an inner cylindrical body (28,128,228,328) interposed between said body of the foot (20,220,120,320) and said supporting foot (21,121, 221, 321) , said transmission bevel gear (29,30,31) comprising a bevel toothed crown (29) integral with a free end of said inner cylindrical body (28,128,228,328) which also provides a flange (39) which engages against yielding flaps (40) protruding inwardly into the body of the foot (20), said yielding flaps

(40) forming engagement and retention means (40) suitable for retaining said supporting foot (21,121,221,321) to said hollow body of the foot (20,120,220,320).

2. The telescopic foot according to claim 1, characterized in that said engagement and retention means (40) are elastic.

3. The telescopic foot according to claim 1 or 2, characterized in that said first opening (35) and said second opening (54) provide elastic engagement and retention elements (38,40) of a respective element of said bevel gear (29, 30, 31) .

4. The telescopic foot according to one or more of the previous claims from 1 to 3, characterized in that it is fixed beneath a bottom (12) and/or fixed to a shoulder (11) of a piece of furniture.

5. The telescopic foot according to one or more of the previous claims from 1 to 4, characterized in that said means that allow the sliding of the supporting foot (21,221,321) with respect to the body of the foot (20, 220, 320) simultaneously prevent their mutual rotation.

6. The telescopic foot according to one or more of the previous claims, characterized in that said transmission bevel gear (29,30) comprises said bevel toothed crown (29) integral with a free end of the inner cylindrical body (28, 128, 228, 328) and a complementary bevel toothing (30) of a pinion (31) , wherein said pinion (31) is arranged free to rotate in said body of the foot (20,220, 120, 320) and provides a seat (32) suitable for receiving a tip of a tool (18) for actuating the oever gear.

7. The telescopic foot according to claim 6, characterized in that said pinion (31) is arranged free to rotate in said body of the foot (20,220,120,320) through snap-engagement means (38) between said pinion (31) and said body of the foot (20,220, 120, 320) .

8. The telescopic foot according to claim 7, characterized in that said snap-engagement means between said pinion (31) and said hollow body of the foot (20,220, 120, 320) are yielding flaps (38) which extend into a housing (35) formed in the body of the foot (20,220,120,320) .

9. The telescopic foot according to claim 6, characterized in that said pinion (31) is arranged free to rotate in said body of the foot (20,220,120,320) through a swaging or riveting (42) obtained at a free cylindrical end (33) of the pinion (31), once said cylindrical end (33) has been inserted in a hole (34) defined by a tubular portion arranged in an upper part of the body of the foot (20,220,120,320).

10. The telescopic foot according to claim 6, characterized in that said pinion (31) is arranged free to rotate in said body of the foot (20,220, 120,320) by means of a groove or recess (43) formed in a free cylindrical end (33) of the pinion (31) , once said cylindrical end (33) has been inserted in a hole (34) defined by a tabular portion arranged in an upper part of the body of the foot (20,220,120,320), to be coupled with a rounded protrusion (44) formed inside the hole (34) .

11. The telescopic foot according to claim 6, characterized in that said pinion (31) is arranged free to rotate in said body of the foot (20,220,120,320) and provides a cylindrical end (33) with which a cap element (49) provided with a rounded dome-shaped head, is made integral, which favours the centering of said pinion (31) coupled with said cap element (49) in a cavity formed in said body of the foot (20, 220, 120, 320) .

12. The telescopic foot according to claim 11, characterized in that said cavity formed in the body of the foot (20,220,120,320) provides, on one side, a closing wall (45) in which a hole (48) is formed for the passage of said tip of a control tool (18) of the pinion (31) of the bevel gear and, on the other, an opening ( 47 ) facing the closing wall (45) and formed laterally in the body of the foot (20, 220, 120, 320) .

13. The telescopic foot according to claim 11 or 12, characterized in that said cap element (49) is provided with a shank (50) suitable for being inserted in a hole ( 51 ) inside said cylindrical end (33) of the pinion (31) .

14. The telescopic foot according to one or more of the previous claims from 11 to 13, characterized in that said cap element ( 9) provides a flat annular crown (52) which is abutted against flat facets (53) of the bevel toothed crown (29) which can be moved in engagement with said flat annular crown (52) .

15. The telescopic foot according to one or more of the previous claims from 1 to 14, characterized in that said internal control mechanism comprises an internal threading (26,226,326) formed in said supporting foot (21,221,321) suitable for receiving in coupling an external threading n.ยท)^ O O r provided on said inner cylindrical body

(28,228,528) .

16. The telescopic foot according to claim 15, characterized in that said supporting foot (21,221,321) comprises a lower supporting enlarged disc-shaped end (22,222,322) from which a hollow cylindrical portion (23,223,323) extends, where said internal threading is formed (26,226,326) .

17. The telescopic foot according to one or more of the previous claims from 1 to 16, characterized in that said flange (39) is formed between a final end of said external threading (27,227) and a bevel toothed crown (29,229) of said transmi ss ion bevel gear.

18. The telescopic foot according to claim 17, characterized in that said further yielding flaps (40) are arranged within seats (41) formed laterally with respect to the body of the foot (20,220) .

19. The telescopic foot according to one or more of the previous claims from 1 to 18, characterized in that said body of the foot (20,120) externally provides engagement grooves (37) with a housing (36) of a connection body (116) to said piece of furniture (M) .

20. The telescopic foot according to one or more of the previous claims from 1 to 18, characterized in that said body of the foot (220,320) is integrated with a connection (216,316) suitable for being fixed beneath a bottom (12) or a shoulder (11) of a piece of furniture (M) .

21. The telescopic foot according to claim 20, characterized in that said connection (216) is defined by an enlarged discshaped element (60) in which said first opening (35) is formed, through which a pinion (31) of said control transmission bevel gear (29,30,31) can be positioned and housed.

22. The telescopic foot according to claim 21, characterized in that said enlarged disc-shaped element (60) extends as the upper part of the body of the foot (220) and a housing (70) for said pinion (31) is formed in the same, which is free to rotate, said disc-shaped element (60) having in the upper part, on one side (61), which is suitable for facing a lower surface (17) of the bottom (12) of the furniture (M) , a dowel or expansion pin (62), which presses into an unthreaded hole formed in said lower surface (17) of the furniture.

23. A system that can be positioned beneath a bottom (12) and/or a shoulder ( (1111 )) of a piece of furniture (M) compris ing at least one front foot (13) and at least one telescopic rear foot (14) fixed beneath said bottom (12) and/or fixed to a shoulder (11) according to one or more of the previous claims.

24. The system according to claim 23, characterized in that said at least one front foot (13) is of the manual adjustment type by rotation of a supporting foot (15) .

25. The system according to claim 23 or 24, characterized in that it provides, beneath a bottom (12) of a piece of furniture (M) , at least one connection (16) for a front foot (13) and at least one connection (116,216,316) for a rear telescopic foot (14) adjustable from the front through a tip of a tool (18) .