Appeal No. 97-3194 Page 14
Application No. 08/442,816
be overcome by physical manipulation, they present prospective
thieves with the appearance of being breakable.
As shown in Figure 1, Johnson's lock is comprised of an
elongated body member 10, an elongated rod member 12 which is
dimensioned to move in telescopic fashion within body member
10, and a housing 14. Hooks 16, 18, for engaging
diametrically opposed portions of the steering wheel from the
inside thereof, are provided on body member 10 and rod member
12, respectively. Locating means 20 and locking means 22 are
provided within
housing 14 to position and lock rod member 12 stationary with
respect to body member 10 at any one of a plurality of
positions. More specifically, body member 10 is comprised of
an elongated tube 30 of circular cross-section. Tube 30
defines a central passage 38 of circular cross-section. A
durable plastic coating 40 is provided over sleeve 32 and hook
16 to provide a nonabrasive surface over section 36. Rod
member 12 is comprised of an elongated rod 46 of circular
cross-section. The outer diameter of rod 46 is dimensioned
slightly less than the diameter of passage 38 in body member
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Last modified: November 3, 2007