Parallelogram steering linkage
Encyclopedia
A parallelogram steering linkage is a steering linkage in which a pitman arm
is connected to a center link. The linkage is commonly used to allow steering by hand, hence avoiding the need of any steering gear (such as required with a rack-and-pinion linkage). The linkage has a parallelogram shape.
Pitman arm
The Pitman arm is a steering component in an automobile or truck.The Pitman arm is a linkage attached to the steering gear sector shaft, that converts the angular motion of the sector shaft into the linear motion needed to steer the wheels. The Pitman arm is supported by the sector shaft and...
is connected to a center link. The linkage is commonly used to allow steering by hand, hence avoiding the need of any steering gear (such as required with a rack-and-pinion linkage). The linkage has a parallelogram shape.