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Photo of Walker Linerlock knives with closeup of locking mechanism. Linerlock mechanisms are most commonly composed of titanium alloy or steel. [8] The linerlock's locking side liner is split from the top toward the bottom, similar to an automotive leaf spring (also called a lock bar) that butts up against the tang of the blade to prevent the blade from closing. [9]
An assisted-opening knife is a type of folding knife which uses an internal mechanism to finish the opening of the blade once the user has partially opened it using a flipper or thumbstud attached to the blade. [1] When the knife is in the closed position, the blade is held in place by means of torsion springs and an additional blade lock ...
A butterfly knife uses a single latch to hold the folding blade both open and closed, depending on the position of the handles; by rotating 180 degrees the same latch can be used in either configuration. Butterfly knife latches have numerous variations, including magnetic variants and some which can be opened via a spring when the handles are ...
As of 2013, the knife can be purchased with a stainless steel or carbon steel blade. [2] The Mercator's construction is similar to that of the later appeared French Douk-Douk knife, in terms of the simple folded-metal handle. However, the Douk-Douk is a slipjoint knife, whereas the K55K is a lockback knife and has a different blade geometry.
Kukri: A Nepalese knife used as a tool and weapon; Maguro bōchō: A traditional Japanese knife with a long specialized blade that is used to fillet large ocean fish. Puukko: A traditional Finnish style woodcraft belt-knife used as a tool rather than a weapon; Seax: A Germanic single-edged knife, dagger or short sword used both as a tool and as ...
A folding switchblade. A switchblade (also known as switch knife, automatic knife, pushbutton knife, ejector knife, flick knife, gravity knife, flick blade, or spring knife) is a pocketknife with a sliding or pivoting blade contained in the handle which is extended automatically by a spring when a button, lever, or switch on the handle or bolster is activated.
No. 10 Opinel knife with carbon steel blade, Virobloc twistlock, and beechwood handle Functions of the Opinel Knife: unfolding and locking the blade The Opinel company has manufactured and marketed a line of eponymous wooden-handled knives since 1890 from its headquarters in Saint-Jean-de-Maurienne, Savoie, France where the family-run company also operates a museum dedicated to its knives.
Typical uses are for the shackle of a lock, where the outer layer is hardened to be file resistant, and mechanical gears, where hard gear mesh surfaces are needed to maintain a long service life while toughness is required to maintain durability and resistance to catastrophic failure.