spring-loaded hammer
1Schmidt hammer — A Schmidt hammer, also known as a Swiss hammer or a rebound hammer, is a device to measure the elastic properties or strength of concrete or rock, mainly surface hardness and penetration resistance. Original Schmidt Concrete Test Hammer It was… …
2MC Hammer — Hammer at TechCrunch in July 2008 …
3Firing pin — A firing pin or striker is part of the firing mechanism used in a firearm or explosive device e.g. an M14 landmine or bomb fuze. Firing pins may take many forms, though the types used in landmines, bombs, grenade fuzes or other single use devices …
4Smith & Wesson Model 10 — Infobox Weapon name=Smith Wesson Military Police caption=Lend Lease M P dating from WW2, with missing lanyard ring origin=flag|United States type=Service revolver is ranged=yes service= used by=See Users wars=World War II, Korean War, Vietnam War …
5Bingo Shooting Device — The Bingo Shooting Device is a small mousetrap like device used in novelty pranks and magic tricks. The device, invented by Sam S. Adams in 1907, consists of a hinge that is closed over a spring loaded hammer. When the hinge is allowed to open,… …
6Piezoelectricity — is the ability of some materials (notably crystals and certain ceramics, including bone) to generate an electric potentialPrinciples of Instrumental Analysis. 6th Edition, 2007. Skoog, Holler, and Crouch. Chapter 1, Sec. 1C 4, Pg. 9.] in response …
7Piezo ignition — is a type of ignition that is used in portable camping stoves, gas grills and some lighters. It consists of a small, spring loaded hammer which, when a button is pressed, hits a crystal of PZT or quartz crystal. Quartz is piezoelectric, which… …
8Internal ballistics — Internal ballistics, a subfield of ballistics, is the study of a projectile s behavior from the time its propellant s igniter is initiated until it exits the gun barrel. The study of internal ballistics is important to designers and users of… …
9Paintball marker — A paintball marker, also known as a paintball gun, is the central or main piece of equipment in the sport of paintball. Markers make use of an expanding gas such as carbon dioxide, compressed air or nitrogen dioxide to propel paintballs through… …
10Safety (firearms) — This article is about the mechanical safety devices built into most firearms. For the main article about firearm safety education, see Gun safety. Close up shot of a safety of an M16A2 rifle. In firearms, a safety or safety catch is a mechanism… …
