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  2. Universal joint - Wikipedia

    en.wikipedia.org/wiki/Universal_joint

    and it is seen that the output drive is just 90 degrees out of phase with the input shaft, yielding a constant-velocity drive. NOTE: The reference for measuring angles of input and output shafts of universal joint are mutually perpendicular axes. So, in absolute sense the forks of the intermediate shaft are parallel to each other.

  3. John Deere Powershift transmission - Wikipedia

    en.wikipedia.org/wiki/John_Deere_Powershift...

    The John Deere PowerShift transmission was an eight-speed semi-automatic transmission without a torque converter, used in John Deere tractors, including the iconic John Deere Model 4020. [1] The Powershift is not to be confused with similar John Deere transmissions (including the Quad-Range and the PowrQuad [ 2 ] ), or with the Ford Ultra ...

  4. Power shuttle - Wikipedia

    en.wikipedia.org/wiki/Power_shuttle

    A power shuttle is an additional unit used in transmissions and is generally used in agricultural tractors. While the vehicle is moving forwards, the driver can pull a lever that makes it stop and go backwards at the same speed. Power Shuttles are also known under various trade names including Power Reverser

  5. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    For example, when the Ford 9N introduced Harry Ferguson's three-point hitch design to American production-model tractors in 1939, it was a light and affordable tractor competing principally with row-crop tractors such as Farmalls that did not yet have three-point hitches.

  6. Semi-trailer truck - Wikipedia

    en.wikipedia.org/wiki/Semi-trailer_truck

    Conventional style cab tractor A cab-over semi-tractor Tractor with an end-dump trailer A FAW semi-trailer truck in China A semi-trailer truck (also known by a wide variety of other terms – see below) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth wheel. Other terms There are a ...

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  8. Four-bar linkage - Wikipedia

    en.wikipedia.org/wiki/Four-bar_linkage

    There are two types of slider-cranks: in-line and offset. In-line An in-line slider-crank has its slider positioned so the line of travel of the hinged joint of the slider passes through the base joint of the crank. This creates a symmetric slider movement back and forth as the crank rotates. Offset

  9. Hinge bender - Wikipedia

    en.wikipedia.org/wiki/Hinge_bender

    Hinge bender. A hinge bender, also called a hinge tweaker or hinge adjuster, is a hand tool for adjusting hinges, for instance on doors and windows on buildings or on cars.A hinge bender can be used to straighten a door that is tilted sideways relative to the door frame, which tends to happen gradually with most doors over a long time period.