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When the flash is fully inserted, a spring-loaded latch on the flash locks into the indentation in the middle of the flash shoe. Detachment The user presses the unlock button on the flash body, which, by means of a lever or a wedge mechanism disengages the locking latch, enabling the user to slide off the flash from the camera body.
The Pullman latch, which attaches to a Pullman keeper, is the locking mechanism usually used at the ends of the vertical rods. [8] More expensive products may feature vertical rods and latches concealed within the door. Diagram of Vertical Rod Latching Elements. Some jurisdictions permit doors to latch to each other.
A ratchet and pawl mechanism A parking pawl in an automatic transmission. A pawl is a movable lever that engages a fixed component to either prevent movement in one direction or restrain it altogether. As such, it is a type of latch and can also be considered a type of dog.
A latch bolt is an extremely common latch type, typically part of a lockset. It is a spring-loaded bolt with an angled edge. [1] [2] When the door is pushed closed, the angled edge of the latch bolt engages with the lip of the strike plate; a spring allows the bolt to retract. Once the door is fully closed, the bolt automatically extends into ...
Such a design, made popular by Glock pistols but originally used in the 1897 Iver Johnson Second Model Safety Hammerless revolver, incorporates a trigger with a spring-loaded lever in its lower half. This lever which protrudes from the trigger face must be fully depressed in order to disengage a lock that allows the main trigger body to move.
Heart locks had two prominent characteristics: one was a spring-loaded cover that pivoted over the keyhole to keep dirt and insects out of the lock that was called a "drop". The other was a point formed at the bottom of the lock so a chain could be attached to the lock body to prevent the lock from getting lost or stolen.