Anti-theft locking means for a vehicle steering shaft

Details Anti-theft locking means for a vehicle steering shaft Anti-theft locking means for a vehicle steering shaft

2006-09-19

2006-09-19

Gali, Lloyd A. (Department: 3676)

Locks

Special application

For control and machine elements

C070S186000, C464S162000

Reexamination Certificate

active

07107801

ABSTRACT:
An anti-theft locking device for vehicles includes an annular locking sleeve mounted concentrically about and normally in frictional engagement with the vehicle steering shaft. The locking sleeve includes a body portion having a serpentine cross-sectional configuration, thereby defining on the inner periphery of the sleeve a plurality of alternate smooth convex projections and concave valleys. The convex projections are in frictional engagement with the circumferential surface of the steering shaft by a predetermined frictional force that is greater than the rotational torque force produced during normal steering operation of the vehicle. A plurality of circumferentially spaced teeth extend radially outwardly from the locking sleeve, thereby to define between the teeth a plurality of locking slots one of which is arranged to receive the free extremity of the locking arm of a locking device.

REFERENCES:
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patent: 6094951 (2000-08-01), Cusati
patent: 6810700 (2004-11-01), Okuno
patent: 6810763 (2004-11-01), Frick et al.
patent: 2004/0020249 (2004-02-01), Battermann et al.
patent: 2791 023 (2000-09-01), None

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