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  2. Snow chains - Wikipedia

    en.wikipedia.org/wiki/Snow_chains

    Automatic tire chains are permanently mounted near the drive tires and engage by turning a switch, then move into position to fling the pieces of chain under the tires automatically. Automatic chains were invented in 1941 in the United States [1] and Sweden in 1977 [citation needed]. Snow chains, or tire chains, are devices fitted to the tires ...

  3. Snow tire - Wikipedia

    en.wikipedia.org/wiki/Snow_tire

    Nationwide studded tire restrictions in Japan for passenger vehicles came into effect in April 1991, followed by restrictions for commercial trucks in 1993. [17] Studded tires are still legal in Japan, but their usage is restricted by environmental law and it is a criminal offence to operate a vehicle fitted with a studded tire on dry asphalt ...

  4. Continuous track - Wikipedia

    en.wikipedia.org/wiki/Continuous_track

    Modern tracks are built from modular chain links which together compose a closed chain. The links are jointed by a hinge, which allows the track to be flexible and wrap around a set of wheels to make an endless loop. The chain links are often broad, and can be made of manganese alloy steel for high strength, hardness, and abrasion resistance. [43]

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  6. United States Rubber Company - Wikipedia

    en.wikipedia.org/wiki/United_States_Rubber_Company

    The company formerly known as the United States Rubber Company, now Uniroyal, is an American manufacturer of tires and other synthetic rubber-related products, as well as variety of items for military use, such as ammunition, explosives, chemical weapons and operations and maintenance activities (O&MA) at the government-owned contractor-operated facilities. [1]

  7. Spike strip - Wikipedia

    en.wikipedia.org/wiki/Spike_strip

    A U.S. Army soldier deploying a stinger at a vehicle checkpoint in Iraq. A spike strip (also referred to as a spike belt, road spikes, traffic spikes, tire shredders, stingers, stop sticks, by the trademark Stinger or formally known as a Tire Deflation Device or TDD) is a device or incident weapon used to impede or stop the movement of wheeled vehicles by puncturing their tires.

  8. Loose wheel nut indicator - Wikipedia

    en.wikipedia.org/wiki/Loose_wheel_nut_indicator

    The product has also established itself in Germany, and trucks with the safety system can be seen more and more frequently on the Autobahn. The original loose lug nut securing product, the Checkpoint, has been supplemented by other products such as Dustite and Dustite LR which combine the function of a lug nut indicator with a dust cap ...

  9. Chain drive - Wikipedia

    en.wikipedia.org/wiki/Chain_drive

    Chain drive was the main feature which differentiated the safety bicycle introduced in 1885, with its two equal-sized wheels, from the direct-drive penny-farthing or "high wheeler" type of bicycle. The popularity of the chain-driven safety bicycle brought about the demise of the penny-farthing, and is still a basic feature of bicycle design today.