roller latch

roller latch

roller latch
A type of door latch; has a roller under spring tension instead of a beveled spring bolt; the roller engages a strike plate having a recess formed to receive it.
References in periodicals archive ?
On the surface, P&H Optima dipper model upgrades include the heavy-duty Snubrite and roller latch door, which eliminates adjustments between preventative maintenance and extends maintenance intervals.
Roller Latch Quick Pump-In Underground Head Assembly: Allowing for greater pump-in speed and productivity while utilizing large rollers for latching and hold-back braking to retain inner-tube assemblies in the drill string, the Roller Latch head assembly makes for dramatically safer, more productive, operations.