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Close-up of an IOF 32 break-action revolver. The first break-action revolver was patented in France and Britain at the end of December in 1858 by Devisme. [1] A substantial hinge pin joins the two parts of the rifle or shotgun; the stock with its firing mechanism and the fore-piece and barrel, which hold the round to be fired.
Attempts have been made to increase the safety of bridges with pin and hanger assemblies by adding some form of redundancy to the assembly. Retrofits that add redundancy to pin and hanger assemblies include adding a "catcher's mitt"—a short steel beam attached to the bottom of the cantilevered girder that extends out beneath the suspended girder to "catch" the suspended girder should ...
Designs that may use gudgeon and pintle connections include hinges, shutters and boat rudders. [1] The gudgeon derives from the Middle English gojoun, which originated from the Middle French goujon, ironically, as this means dowel, or pin. Its first known use was in the 15th century. [1]
A split pin (UK usage) / cotter pin (UK/USA usage) holding a rod in place with a washer. A split pin, also known as a cotter pin, or cotter key in the US, [1] is a metal fastener with two tines that are bent during installation, similar to a staple or rivet.
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