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  2. Pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Pin_tumbler_lock

    The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.

  3. Wafer tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Wafer_tumbler_lock

    Emil Christoph developed a wafer tumbler lock in 1913 which used a double-bitted key. His patent was assigned to King Lock of Chicago, a new lock manufacturer. By 1915 Briggs & Stratton Corporation was using King wafer tumbler locks in their ignition switches. In 1919, Briggs & Stratton applied for a switch patent using a wafer tumbler lock of ...

  4. Car key - Wikipedia

    en.wikipedia.org/wiki/Car_key

    Car key in ignition Car ignition and steering wheel lock. A car key or an automobile key is a key used to open and/or start an automobile. Modern key designs are usually symmetrical, and some use grooves on both sides, rather than a cut edge, to actuate the lock. It has multiple uses for the automobile with which it was sold.

  5. General Motors ignition switch recalls - Wikipedia

    en.wikipedia.org/wiki/General_Motors_ignition...

    The ignition switch was designed to remove power from the vehicle's airbags when in the Off or Accessory mode. [11] Therefore, this was a safety hazard: If the switch changed from Run to Accessory and the vehicle was involved in an accident, it would no longer have power to release the airbags, and it would be difficult for the driver to steer ...

  6. Lock bumping - Wikipedia

    en.wikipedia.org/wiki/Lock_bumping

    Lock bumping is a lock picking technique for opening a pin tumbler lock using a specially crafted bump key, rapping key or 999 key. [1] A bump key must correspond to the target lock in order to function correctly.

  7. Ignition switch - Wikipedia

    en.wikipedia.org/wiki/Ignition_switch

    An ignition switch, starter switch or start switch is a switch in the control system of a motor vehicle that activates the main electrical systems for the vehicle, including "accessories" (radio, power windows, etc.).

  8. Tubular pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Tubular_pin_tumbler_lock

    A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.

  9. Remote keyless system - Wikipedia

    en.wikipedia.org/wiki/Remote_keyless_system

    The functions of a remote keyless entry system are contained on a key fob or built into the ignition key handle itself. Buttons are dedicated to locking or unlocking the doors and opening the trunk or tailgate. On some minivans, the power sliding doors can be opened/closed remotely.