Fastening device (11) intended for vehicle wheels and made as a nut or bolt, comprising: a cylindrical body (13) having a first end (23) and a second end (27), a longitudinal axis ("A"), an engaging head (15) for a tool or control wrench, and a threaded surface (19,59) extending axially about said longitudinal axis; a washer (25) having an axial bore (40) and being associated rotatably in an idle manner to the cylindrical body (13), said washer (25) having a fitting opening (38), said washer (25) and said cylindrical body (13) comprising mutually cooperating engaging means (29, 31) for holding the washer (25) firmly associated with the cylindrical body (13), said engaging means (29, 31) comprising an outer annular seat (33) provided in said cylindrical body (13), wherein said washer (25) comprises a cylindrical portion (30) proximal to the fitting opening (38) provided in said washer (25) and an annular rim (35) radially projecting inwardly within the washer (25) and distal to the fitting opening (38), and wherein said annular rim (35) has a chamfered surface (39) oriented towards the fitting opening (38).
FASTENING DEVICE PROVIDED WITH A ROTATABLE WASHER
BEFESTIGUNGSVORRICHTUNG MIT DREHBARER SCHEIBE
DISPOSITIF DE FIXATION ÉQUIPÉ D'UNE RONDELLE ROTATIVE
24.06.2020
Patent
Elektronische Ressource
Englisch
IPC: | F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B60B VEHICLE WHEELS , Räder für Fahrzeuge |
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