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A Pitman arm is a shaft that translates rotary or angular movement into linear movement, or vice versa. Pitman arms are commonly found in water pumping windmills, automotive steering systems, and sewing machines. In windmills, the Pitman arm connects the driving gear to the pumping arm. It translates the rotary power from the wind blades to the ...
This type of steering linkage uses four tie rods, one inner and one outer on each side (left and right) that are connected by an adjustment sleeve, a center link (which runs between the tie rods), an idler arm on the passenger side, and a pitman arm on the driver side. The pitman arm attaches to the steering gear output shaft which is also ...
Steering system showing drag link. A drag link converts rotary motion from a crank arm, to a second bellcrank, usually in an automotive steering system.. While the origin of the term is not clear, it pre-dates the automobile, and is described as in use in 1849 as a means of rotating a Ducie cultivator being operated by cable by stationary steam engine (or between engines).
Pitman Shorthand, a system of shorthand; Pitman arm, a vehicle steering component; A connecting rod in an engine; Pitman, a video game for the Game Boy; Pitman (publisher), an imprint of Pearson Education, successor to Isaac Pitman and Sons; Pitman Training Group, a UK training provider originally founded by Isaac Pitman.
The recirculating ball steering mechanism contains a worm gear inside a block with a threaded hole in it; this block has gear teeth cut into the outside to engage the sector shaft (also called a sector gear) which moves the Pitman arm. The steering wheel connects to a shaft, which rotates the worm gear inside of the block.
Ackermann geometry. The Ackermann steering geometry (also called Ackermann's steering trapezium) [1] is a geometric arrangement of linkages in the steering of a car or other vehicle designed to solve the problem of wheels on the inside and outside of a turn needing to trace out circles of different radii.
The Sikorsky UH-60 Black Hawk is one of the most ubiquitous and iconic military helicopters, filling multiple roles for the U.S. military, including air assault, general support, medevac, command ...
Cornelis took out a patent on his sawmill on 15 December 1593, and on the pitman arm device on 6 December 1597. [citation needed] Early sawmills adapted the whipsaw to mechanical power, generally driven by a water wheel. The circular motion of the wheel was changed to back-and-forth motion of the saw blade by the pitman arm or rod. A pitman is ...