In cars, the parking brake, also called china hand brake, emergency brake, or e-brake, is a
latching brake usually used to keep the vehicle stationary. It is sometimes
also used to prevent a vehicle from rolling when the operator needs both feet
to operate the clutch and throttle pedals. Automobile hand brakes usually
consist of a cable directly connected to the brake mechanism on one end and to
a lever or pedal at the driver's position. The mechanism is often a
hand-operated lever (hence the hand brake name), on the floor on either side of
the driver, or a pull handle located below and near the steering wheel column,
or a (foot-operated) pedal located far apart from the other pedals.
The most common use for a parking brake is
to keep the vehicle motionless when it is parked. Parking brakes have a ratchet
locking mechanism that will keep them engaged until a release button is
pressed. On vehicles with automatic transmissions, this is usually used in
concert with a parking pawl in the transmission.
Chinahand brake are also used to assist in hill starts on vehicles
with manual transmissions. Use of the handbrake frees both feet for use on the
accelerator and clutch pedals, allowing the car to move off without rolling
back at all.
China hand brake
are never used to slow the vehicle when it is in motion, as doing so generally
locks only the back wheels and sends the car into a handbrake turn. Handbrake
turns are often used in street racing to initiate drifting, but such a maneuver
is often seen as an error among regular road users, and is dangerous in many
situations. Car
chassis repairs, including the related vulnerability of the three systems under
the chassis system, including brake pads, brake shoes, steering booster,
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