Land vehicles: wheels and axles – Wheel – With wheel cover
Reexamination Certificate
2002-03-08
2003-07-22
Morano, S. Joseph (Department: 3617)
Land vehicles: wheels and axles
Wheel
With wheel cover
C301S035622, C073S761000, C116S212000, C414S014000, C414S431000
Reexamination Certificate
active
06595597
ABSTRACT:
This invention concerns a combined dust cap and position indicating device, particularly but not exclusively for use upon vehicle wheel nuts.
The applicants' earlier patent, GB 2 242 720, discloses a simple device enabling visual inspection to be carried out so as to indicate whether or not a wheel nut has become loose or is starting to become loose.
In general terms, the earlier invention provided a safety device for indicating relative rotational displacement between a fixed first member and a second member which is rotatably engaged with the first member, the device comprising a body having a bore formed with equispaced grooves enabling the device to be releasably secured to the second member in one position of a plurality of positions, and having indicating means, such as a pointer, to indicate the position of the device relative to a reference.
As mentioned, such a device is particularly useful for indicating whether or not a wheel nut has become loose, in which respect the first member comprises a threaded stud on an axle hub, the second member comprises a wheel nut, and the reference comprises a mark on a wheel rim adjacent a respective stud hole.
The present invention is a useful development of the previous safety device, as defined above, and is characterised in that in such a device the bore is closed at one end so that the body additionally serves as a dust cap for conjoined first and second members.
The indicating means can comprise a pointer and the body and the pointer can be formed either integrally or as separate components.
The bore in the body can be closed by a removable cap and the pointer can be formed either integrally with the cap or the body or as a separate component which is securable to the body.
The present invention further comprises a vehicle wheel and hub assembly comprising studs on the hub and associated nuts securing the vehicle wheel to the hub, a safety device as defined in the preceding paragraphs being arranged on each nut when tightened, so that each device points to a reference.
REFERENCES:
patent: 2421176 (1947-05-01), Adams
patent: 4930951 (1990-06-01), Gilliam
patent: 5096263 (1992-03-01), Wright
patent: 5120174 (1992-06-01), Patti
patent: 5181767 (1993-01-01), Hudgins et al.
patent: 5199835 (1993-04-01), Turner
patent: 5380070 (1995-01-01), FitzGerald
patent: 5590992 (1997-01-01), Russell
patent: 6053681 (2000-04-01), Mattershead
patent: 6158933 (2000-12-01), Nicholson
patent: 6398312 (2002-06-01), Marczynski et al.
patent: 2 242 720 (1991-10-01), None
Marczynski Michael
Marriott John
Bellinger Jason R.
Business Lines Limited
Morano S. Joseph
Oliff & Berridg,e PLC
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