SECURING HOLE IN FITTINGS, ESPECIALLY METAL FURNITURE FITTINGS

SECURING HOLE IN FITTINGS, ESPECIALLY METAL FURNITURE FITTINGS

PCT No. PCT/EP93/03138 Sec. 371 Date Sep. 20, 1994 Sec. 102(e) Date Sep. 20, 1994 PCT Filed Nov. 10, 1993 PCT Pub. No. WO94/11604 PCT Pub. Date May 26, 1994The present invention relates to a screw hole (12) in hardware parts (10), especially in metal furniture hardware, in which is screw with a give...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LAUTENSCHLAEGER, GERHARD
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
FIXED CONSTRUCTIONS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
KEYS
LIGHTING
LOCKS
MECHANICAL ENGINEERING
SAFES
THERMAL INSULATION IN GENERAL
WEAPONS
WINDOW OR DOOR FITTINGS
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Zusammenfassung:PCT No. PCT/EP93/03138 Sec. 371 Date Sep. 20, 1994 Sec. 102(e) Date Sep. 20, 1994 PCT Filed Nov. 10, 1993 PCT Pub. No. WO94/11604 PCT Pub. Date May 26, 1994The present invention relates to a screw hole (12) in hardware parts (10), especially in metal furniture hardware, in which is screw with a given outside thread diameter provided with a truncoconical countersink head can be preinstalled. The hole (12) has a countersink (18) matching the truncoconical head of the screw, followed by a substantially cylindrical hole section (20) for the passage of the shaft of the screw. The inside diameter of the cylindrical hole section (20) is slightly smaller than the outside diameter of the screw shaft measured across the threads of the screw (14), and into the cylindrical hole section an internal thread (24) is worked into the cylindrical hole section, where the length of the threaded shaft as measured in the screw driving direction is shorter than that of the unthreaded shaft section of the screw adjoining the bottom of the countersink head.