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  • Motor vehicle theft


    Vehicle with broken window.Motor vehicle theft is the criminal act of stealing or attempting to steal a motor vehicle. Nationwide in the United States in 2012, there were an estimated 721,053 motor vehicle thefts, or approximately 229.7 motor vehicles stolen for every 100,000 inhabitants. Property losses due to motor vehicle theft in 2012 were estimated at $4.3 billion.

  • Bowden cable


    Cut-away Bowden cable view. From left to right: Protective plastic coating, steel structure, inner sleeve to reduce friction, inner cable. Bowden cables controlling an automobile throttle. A Bowden cable ( ) is a type of flexible cable used to transmit mechanical force or energy by the movement of an inner cable relative to a hollow outer cable housing. The housing is generally of composite construction, consisting of an inner lining, a longitudinally incompressible layer such as a helical winding or a sheaf of steel wire, and a protective outer covering. The linear movement of the inner cable is most often used to transmit a pulling force, although push/pull cables have gained popularity in recent years e.g. as gear shift cables. Many light aircraft use a push/pull bowden cable for the throttle control, and here it is normal for the inner element to be solid wire, rather than a multi-strand cable. Usually provision is made for adjusting the cable tension using an inline hollow bolt (often called a "barrel adjuster"), which lengthens or shortens the cable housing relative to a fixed anchor point. Lengthening the housing (turning the barrel adjuster out) tightens the cable; shortening the housing (turning the barrel adjuster in) loosens the cable.

  • Steering-wheel lock


    A steering-wheel lock is a visible theft-deterrent system/anti-theft device that, as the name implies, immobilizes the steering wheel of a car. Mayhew et al. (1976) suggested that such a device reduced the probability of a car being stolen. Also known as a crook lock, or club lock, the first generation of steering-wheel locks, known as canes, consisted of a lockable bar that connected the steering wheel to the brake pedal or clutch pedal. Later models include devices which are even more visible as they lock across the steering wheel and extend out over the dashboard to prevent the steering wheel being turned. Wheel-locks have been used since at least the early 1920s, when many cars were open touring cars, roadsters or what would later be known as convertibles. The Official Gazette of the United States Patent Office published details of patents filed in 1916.

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