One-piece fastener

A one-piece fastener 10 cooperable with a threaded stud member 22 projecting from a surface 24 for fastening a sheet element 28 in spaced relationship with the surface 24, comprises a spacer portion 12, a head portion 14 and a neck portion 16 between said spacer and head portions. A through passage...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	STUART LEIGH KINGSWELL, KEITH SYDNEY LEVETT
Format:	Patent
Sprache:	eng
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 GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A one-piece fastener 10 cooperable with a threaded stud member 22 projecting from a surface 24 for fastening a sheet element 28 in spaced relationship with the surface 24, comprises a spacer portion 12, a head portion 14 and a neck portion 16 between said spacer and head portions. A through passage extends through these portions 12, 14, 16 to enable the fastener to fit over the stud and the fastener has flexible projections 32 engageable with the stud thread for retaining the fastener on the stud. The spacer portion 12 is radially inwardly deformable with respect to the axis of the through passage to enable the fastener to be mounted to the sheet element 28 by insertion of the spacer portion 12 through an aperture 30 in the sheet element such that the neck portion 16 accommodates the edge portion of the sheet element defining the aperture 30 and the spacer portion 12 and the head portion 14 are disposed on opposite sides of sheet element 28.