Search results
Results from the WOW.Com Content Network
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 ...
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]
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.
1917 motor switch, with extra contacts Dual-pole, dual-throw knife switch in one of its two closed positions. A knife switch is a type of switch used to control the flow of electricity in a circuit. It is composed of a hinge which allows a metal lever, or knife, to be lifted from or inserted into a slot or jaw.
The chain has to be properly matched to the guide bar and the saw. Chainsaw manufacturers specify a selection of suitable chains for each model of saw. Best safety requires that the chain is properly sharpened. One key sharpening parameter is the depth gauge setting. The depth gauge is the small steel protubera
In roller-locked arms in the locked position during firing, the rollers rest on parallel surfaces relative to the bore axis on the bolt head, so no amount of force pushing back on the bolt can cause the bolt to unlock. When chambering a fresh cartridge the bolt head is used to push out the rollers.
A rotary switch is a switch operated by rotation. These are often chosen when more than 2 positions are needed, such as a three-speed fan or a CB radio with multiple frequencies of reception or "channels". A rotary switch consists of a spindle or "rotor" that has a contact arm or "spoke" which projects from its surface like a cam.
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.