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2. Fifth-wheel coupling - Wikipedia

   en.wikipedia.org/wiki/Fifth-wheel_coupling

   Modern fifth wheels allow the trailers to slide into the fifth wheel and lock into it very reliably when maintained and serviced properly. The engagement of the king pin into the fifth-wheel locking mechanism is the only means of connection between tractor and trailer; no other device or safety mechanism is used.

3. Slider-crank linkage - Wikipedia

   en.wikipedia.org/wiki/Slider-crank_linkage

   Slider-crank chain inversion arises when the connecting rod, or coupler, of a slider-crank linkage becomes the ground link, so the slider is connected directly to the crank. This inverted slider-crank is the form of a slider-crank linkage that is often used to actuate a hinged joint in construction equipment like a crane or backhoe, as well as ...

4. Three-point hitch - Wikipedia

   en.wikipedia.org/wiki/Three-point_hitch

   The three-point hitch (British English: three-point linkage) is a widely used type of hitch for attaching ploughs and other implements to an agricultural or industrial tractor. [ 1 ] [ 2 ] The three points resemble either a triangle, or the letter A.

5. Four-bar linkage - Wikipedia

   en.wikipedia.org/wiki/Four-bar_linkage

   A slider-crank linkage is a four-bar linkage with three revolute joints and one prismatic, or sliding, joint. The rotation of the crank drives the linear movement the slider, or the expansion of gases against a sliding piston in a cylinder can drive the rotation of the crank. There are two types of slider-cranks: in-line and offset. In-line

6. Slider crank chain inversion - Wikipedia

   en.wikipedia.org/wiki/Slider_crank_chain_inversion

   Slider-crank chain inversion arises when the connecting rod, or coupler, of a slider-crank linkage becomes the ground link, so the slider is connected directly to the crank. This inverted slider-crank is the form of a slider-crank linkage that is often used to actuate a hinged joint in construction equipment like a crane or backhoe, as well as ...

7. Fifth wheel (disambiguation) - Wikipedia

   en.wikipedia.org/wiki/Fifth_wheel_(disambiguation)

   Fifth wheel may also refer to: Fifth-wheel trailer, a type of travel trailer that is a variant of the tractor-trailer version; Fifth wheel (Brooks Walker), an invention designed to aid parking cars; Fifth Wheel Truck Stops, a truck stop chain across Southern Ontario, Canada; The 5th Wheel, an American reality dating show; The Fifth Wheel, a ...

8. Fifth wheel (Brooks Walker) - Wikipedia

   en.wikipedia.org/wiki/Fifth_wheel_(Brooks_Walker)

   In the 1930s, Walker invented a device which added a fifth wheel to cars to aid parallel parking. The extra wheel was mounted on the rear of the vehicle, at right angles to the rest of the wheels. When in use, the fifth wheel lifted the back of the car off its normal rear wheels, allowing the rear of the car to swing laterally. [2] [3]

9. Rolling hitch - Wikipedia

   en.wikipedia.org/wiki/Rolling_hitch

   The Ashley Book of Knots identifies these two variations as "Rolling Hitch (1)" and "Rolling Hitch (2)" and numbers them #1734 and #1735 respectively. Despite the potential for confusion with the older usage, Ashley chose the name "Magnus Hitch" to refer to knot #1736, which is simply #1734 tied with the final hitch made in the opposite ...