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A Chevrolet Impala 9C1 displayed at the 2008 Chicago Auto Show. 9C1 is a production code used by Chevrolet to designate a vehicle intended for use as a police car or car-based emergency vehicle. 9C1-designated vehicles are marketed under the Police Pursuit Vehicle or Police Patrol Vehicle (PPV) nameplate.
The first car with a three-point belt was a Volvo PV 544 that was delivered to a dealer in Kristianstad on August 13, 1959. The first car model to have the three-point seat belt as a standard item was the 1959 Volvo 122, first outfitted with a two-point belt at initial delivery in 1958, replaced with the three-point seat belt the following year ...
Class 1 is body belts (single or double D-ring), designed to restrain a person in a hazardous work position, prevent a fall, or arrest it completely within 3 feet (90 cm) . Class 2 is chest harnesses, used only with limited fall hazards (including no vertical free fall ), or for retrieving persons, as from a tank or bin.
A British police officer's duty belt, with Hiatts Speedcuffs, handcuff keys and CS spray visible.. A police duty belt (sometimes referred to as a gun belt, "duty rig" and/or kit belt [1]) is a belt, typically constructed of nylon or leather used by police, prison and security officers to carry equipment easily in a series of pouches attached to the belt, in a readily-accessible manner, while ...
It replaced the hemp and rope belt used on automobiles and industrial machinery at the time, and was a model for the common serpentine belt. The belt's success propelled the company to become the largest manufacturer of V-belts, a title it still holds. [2] [3] In 1919, the International Rubber Company changed its name to the Gates Rubber Company.
Toothed belts were invented in the early 1940s, for use in textile mills. [17] The first known automobile engine to use a timing belt was the American 1954 Devin-Panhard racing car, used an engine converted from pushrods to overhead camshafts through the use of a toothed belt made by the Gilmer Company.
Toothed belts are used widely in mechanical devices, including sewing machines, photocopiers and many others. A major use of toothed belts is as the timing belt used to drive the camshafts within an automobile or motorcycle engine. As toothed belts can deliver more power than a friction-drive belt, they are used for high-power transmissions.
Serpentine belt (foreground) and dual vee belt (background) on a bus engine Belt tensioner providing pressure against the back of a serpentine belt in an automobile engine. A serpentine belt (or drive belt [1]) is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air ...