Fastening unit for quick fastening of iron fittings, and...

Details Fastening unit for quick fastening of iron fittings, and... Fastening unit for quick fastening of iron fittings, and...

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 12/14 (2006.01) A47B 88/04 (2006.01) A47B 96/00 (2006.01) F16B 12/32 (2006.01) F16B 21/02 (2006.01) E05D 5/02 (2006.01) F16B 13/04 (2006.01)

Patent

CA 2180620

A unit (10) for fastening iron fittings (43) to furniture parts, comprises an expansion plug (11) which axially receives a pin (12) rotatable between an insertion position and an expansion position of the expansion plug. The pin has a radial surface (34) designed to imprison an iron fitting between it and an opposing top end of the expansion plug. The radial protrusion defines a flat surface (34), substantially perpendicular to the axis of the pin, which extends partially over a coupling seat (35) formed in the opposing top end (14) of the expansion plug around the passage (13) for insertion of the pin in the expansion plug, the bottom (36) of the seat forming a surface facing the flat surface of the radial protrusion, the slot (35) having a side wall (38) facing a corresponding side wall (39) of the pin. The seat (35) can thus receive a substantially complementary portion provided on the iron fitting in correspondence with a hole in the latter for the passage of the pin.

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