Lever Lever A lever ( or ) is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. On the basis of the location of fulcrum, load and effort, the lever is divided into three types. It is one of the six simple machines identified by Renaissance scientists. A lever amplifies an input force to provide a greater output force, which is said to provide leverage. The ratio of the output force to the input force is the mechanical advantage
Lever action Firearm Manufacturer Verny-Carron has released its Stop and Go Lever action shotgun called the Veloce. It is a unique action which self unloads a fired cartridge but requires a side mounted lever to allow the shotgun to reload and reset the trigger. In more recent times lever action shotguns have seen a resurgence in some markets with the Turkish made Adler A110 Lever action shotgun selling extremely well in the Australian marketplace with over 7000 ordered in under 2 week they are also being imported into North America as well. The success of the Adler in these markets has sparked