Chassis

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Motor vehicle chassis with its suspension, exhaust system, and steering box

A chassis (plural: "chassis") (IPA: /ˈʃæːsiː, ˈtʃæːsiː/) consists of a framework that supports an inanimate object, analogous to an animal\'s skeleton, for example in a motor vehicle or a firearm.

Examples of use

1950s Jeep cowl and chassis FC for others to convert into finished vehicles.

An AMX 30 AuF1 chassis under repair.

In the case of vehicles, the term chassis means the frame plus the "running gear" like engine, transmission, driveshaft, differential, and suspension. A body (sometimes referred to as "coachwork"), which is usually not necessary for integrity of the structure, is built on the chassis to complete the vehicle. Commercial vehicle manufacturers may have “chassis only”, “cowl and chassis”, as well as "cab and chassis" versions that can be outfitted with specialized bodies. These include motor homes, fire engines, ambulances, box trucks, etc.

• A tank\'s chassis (hull) comprises the bottom part of the tank, which includes the tracks, power plant, driver\'s seat, and crew compartment. This describes the lower hull, although common usage of "tank chassis" might include the upper hull to mean the tank without the gun turret. Tank chassis often serve as basis for tank-converted platforms such as armored personnel carriers, combat engineering vehicles, etc.

• A chassis in a television, radio, or other electronic device consists of the metal frame on which the circuit boards and other electronics are mounted. In the absence of a metal frame the chassis refers to the circuit boards and components themselves, not the physical structure.

• In computers, the chassis refers to the rigid framework onto which the motherboard, memory, disk drives, and other equipment are mounted. It also supports the shell-like case: the housing that protects all of the vital internal equipment from dust, moisture, and tampering. The term "case modding" refers to the artistic styling of otherwise rather functional and plain computer encasings. Main article: computer case for personal machines or rack mount for commercial grade servers.

See also

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Automobile chassis

• Backbone chassis
• Body-on-frame
• Monocoque, structural shell, instead of a structural frame
• 19-inch rack

v • d • e Automotive design
Part of the Automobile series
Body	Framework Body-on-frame · Bumper · Cabrio coach · Chassis · Continental tire · Crumple zone · Dagmar bumpers · Decklid · Fender · Fender skirts · Grille · Hood · Hood scoop · Monocoque construction · Pillar · Pontoon fenders · Quarter panel · Shaker scoop · Spoiler · Subframe · Tonneau Compartments Trunk · Hood Doors Butterfly doors · Gull-wing door · Scissor doors · Suicide door Glass Greenhouse · Sunroof · Sun visor · Windshield · Windscreen wiper · Windshield washer fluid Other Curb feeler · Bumper sticker · Hood ornament · Japan Black paint · Monsoonshield · Nerf bar · Tire · Tow hitch · Truck accessory
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Interior equipment	Instruments Backup camera · Boost gauge · Buzzer · Carputer · Electronic instrument cluster · Fuel gauge · Global Positioning System and Navigation system · Head-up display · Idiot light · Malfunction Indicator Lamp · Night vision · Odometer · Radar detector · Speedometer · Tachometer · Trip computer Controls Bowden cable · Cruise control (speed control) · Electronic throttle control · Gear stick · Hand brake · Manettino dial · Steering wheel · Throttle Theft deterrence Key · Car alarm · Immobiliser · Klaxon · Automatic vehicle location · VIN etching Safety & seating Airbag · Armrest · Automatic seat belt · Bench seat · Bucket seat · Child safety lock · Rumble seat · Seat belt Other Air conditioning · Ancillary power · Car audio · Car phone · Center console · Dashboard · Flat tire · Glove compartment · Motorola connector · Power window · Rear-view mirror
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