Safety device particularly for multiple wheel nuts

Details Safety device particularly for multiple wheel nuts Safety device particularly for multiple wheel nuts

2004-12-14

2008-08-26

Noori, Max (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Threaded fastener stress

Reexamination Certificate

active

07415888

ABSTRACT:
A safety device (10) comprises a plurality of wheel nut position indicators (30) captively but rotatably mounted in a holder (12). The position indicators are attachable to respective wheel nuts (40) by means of fastener covers (50). When attached, the fastener covers (50) act to secure the device to a wheel and to transfer any rotational movement, i.e. loosening, of a wheel nut (40) to an associated position indicator (30). The indicators (30) each have an indicator portion, e.g. a triangular pointer (34) and are so arranged that this portion emerges from the holder and hence becomes visible when any such rotation occurs. By removing a fastener cover (50) an indicator (30) is disengaged from a wheel nut (40) and the individual wheel nut can be tightened without having to remove the entire device (10).

REFERENCES:
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patent: 6595597 (2003-07-01), Marczynski et al.
patent: 2003/0071205 (2003-04-01), Wu et al.
patent: 2 242 720 (1990-03-01), None
patent: 2 335 720 (1999-09-01), None
patent: 2 393 487 (2004-03-01), None

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