lever hammer

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• Lever-action — is a type of firearm action which uses a lever located around the trigger guard area (often including the trigger guard itself) to load fresh cartridges into the chamber of the barrel when the lever is worked. One of the most famous lever action… …   Wikipedia

• Lever — In physics, a lever (from French lever , to raise , c.f. a levant ) is a rigid object that is used with an appropriate fulcrum or point to multiply the mechanical force that can be applied to another object.This is also termed mechanical… …   Wikipedia

• hammer — hammerable, adj. hammerer, n. hammerlike, adj. /ham euhr/, n. 1. a tool consisting of a solid head, usually of metal, set crosswise on a handle, used for beating metals, driving nails, etc. 2. any of various instruments or devices resembling this …   Universalium

• Hammer drill — A Hammer drill, also known as a rotary hammer or roto hammer , (see also rotary hammer drill) is a rotary drill with a hammering action. The hammering action provides a short, rapid hammer thrust to pulverize relatively brittle material and… …   Wikipedia

• hammer — I. noun Etymology: Middle English hamer, from Old English hamor; akin to Old High German hamar hammer, and perhaps to Old Church Slavic kamen , kamy stone, Greek akmē point, edge more at edge Date: before 12th century 1. a. a hand tool consisting …   New Collegiate Dictionary

• Compound lever — Nail clippers are a simple form of compound lever The compound lever is a simple machine operating on the premise that the resistance from one lever in a system of levers will act as power for the next, and thus the applied force will be… …   Wikipedia

• Trip hammer — A trip hammer (alt. helve hammer) is a massive powered hammer, usually raised by a cam and then released to fall under the force of gravity. Historically, trip hammers were often powered by a water wheel, known to be used in China as long ago as… …   Wikipedia

• trip-hammer — I. ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun : a massive power hammer having a helve that is tripped and allowed to fall by cam or lever action II. adjective : resembling or held to resemble the action of a trip hammer especially in being characterized by repeated… …   Useful english dictionary

• helve hammer — noun : a power hammer consisting essentially of a heavy head at one end of a lever lifted by power and dropping by its own weight on work that rests on an anvil compare strap hammer, trip hammer …   Useful english dictionary

• Wrench hammer — Wrench Wrench (r[e^]nch), n. [OE. wrench deceit, AS. wrenc deceit, a twisting; akin to G. rank intrigue, crookedness, renken to bend, twist, and E. wring. [root]144. See {Wring}, and cf. {Ranch}, v. t.] [1913 Webster] 1. Trick; deceit; fraud;… …   The Collaborative International Dictionary of English

• trip-hammer — I. noun Date: 1781 a massive power hammer having a head that is tripped and allowed to fall by cam or lever action II. adjective Date: 1846 suggesting a trip hammer in loud pounding or persistent action …   New Collegiate Dictionary