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2. Awning - Wikipedia

   en.wikipedia.org/wiki/Awning

   These are a modern version of the old storefront crank-up awnings of the last century. The two, three or four tension arms (width dependent) and a top tube are supported by a torsion bar. With a Traditional 'Open Style' folding arm awning the torsion bar (also known as square bar) fits into wall or soffit or fascia or roof mounted brackets that ...

3. Crank (mechanism) - Wikipedia

   en.wikipedia.org/wiki/Crank_(mechanism)

   The crank and connecting rod mechanisms of the other two archaeologically attested sawmills worked without a gear train. [13] [14] Roman crank handle from Augusta Raurica, dated to the 2nd century AD [31] A Roman iron crank of yet unknown purpose dating to the 2nd century AD was excavated in Augusta Raurica, Switzerland. The 82.5 cm (32 inches ...

4. Jansen's linkage - Wikipedia

   en.wikipedia.org/wiki/Jansen's_linkage

   Jansen has used his mechanism in a variety of kinetic sculptures which are known as Strandbeesten (Dutch for "beach beasts"). Jansen's linkage bears artistic as well as mechanical merit for its simulation of organic walking motion using a simple rotary input. [2] These leg mechanisms have applications in mobile robotics and in gait analysis. [3 ...

5. Four-bar linkage - Wikipedia

   en.wikipedia.org/wiki/Four-bar_linkage

   A coupler connecting a crank and a slider in a single slider crank mechanism is often called a connecting rod, however, it has also been used to refer to any type of coupler. There are three basic types of planar four-bar linkage, depending on the use of revolute or prismatic joints: Four revolute joints:

6. Linkage (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Linkage_(mechanical)

   Jansen's linkage is an eight-bar leg mechanism that was invented by kinetic sculptor Theo Jansen. Klann linkage is a six-bar linkage that forms a leg mechanism; Toggle mechanisms are four-bar linkages that are dimensioned so that they can fold and lock. The toggle positions are determined by the colinearity of two of the moving links. [19]

7. Quick return mechanism - Wikipedia

   en.wikipedia.org/wiki/Quick_return_mechanism

   A quick-return mechanism is a subclass of a slider-crank linkage, with an offset crank. Quick return is a common feature of tools in which the action is performed in only one direction of the stroke, such as shapers and powered saws , because it allows less time to be spent on returning the tool to its initial position.