Self-locking bolted fastener

Details Self-locking bolted fastener Self-locking bolted fastener

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 39/28 (2006.01)

Patent

CA 2527293

With this bolted fastener illustrated in the exploded view, a bracket (7) is fastened to a crosspiece (11). Arranged horizontally in the crosspiece (11) are a crosswise oblong hole (12) and a lengthwise oblong hole (12). The square neck (9.1) of the bolt (9) fits into the oblong hole (12) and prevents the bolt (9) from turning. The bracket (7) has lugs (7.1) that serve to center the bracket (7) on the crosspiece (11). Also provided in the bracket (7) are receptacle holes (7.2). The diameter of the eccentrics (8) that serve as wedging means fits the slightly larger diameter of the receptacle holes (7.2) and the eccentrics (8) fit into the receptacle holes (7.2). When the nut (10) is screwed on, the eccentric (8) rotates about the bolt (9) and on account of its eccentricity wedges itself into the receptacle hole (7.2). The wedged eccentric (8) prevents accidental loosening or accidental unscrewing of the nut (10).

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