The phrase "a safety catch" is correct and usable in written English.
It can be used when referring to a mechanism that prevents accidental operation of a device, typically in firearms or machinery.
Example: "Before handling the firearm, ensure that the safety catch is engaged to prevent any accidental discharge."
Alternatives: "safety mechanism" or "safety lock".
They said the Mrs Rutledge had a licence to carry a concealed weapon but it was unclear why the gun went off so easily when squeezed by a toddler, and whether a safety catch was engaged.
Unusually for a revolver, the Webley-Fosbery had a safety catch, and the light trigger pull, solid design, and reputation for accuracy ensured that the Webley-Fosbery remained popular with target shooters long after production had finished.
We postulate that DA has a major physiological function as a safety catch to restrict the glutamate-induced calcium signal, and thereby prevent glutamate-induced cell death in the brain.
This modification works because there is a safety catch that allows the trigger to be puller and the turret to not rotate if enough resistance is met.
This dithiane route was cleverly exploited in a safety-catch strategy, where keeping the carbonyl function masked prevented any photolytic activity, whereas hydrolysis restored the initial sensitivity.
The compound 189 incorporates a safety-catch feature: p-quinone precursor is photochemically inert, but mild in situ reduction (sodium dithionite, NADH, etc). of this compound produces the photoreactive hydroquinone 186.
He waggles a small metal tie that acts as a second safety catch.
Pulling out a mechanical safety catch, Menzer and Brown unlocked one wing of the basket from its suspending superstructure.
The observation that the so formed sulfones were cleaved by treatment with NaOMe/MeOH was used to design a new safety catch linker for synthesis of glycoconjugates on solid support.
The story comes with an emotional safety catch that mutes its subversive message about the sexual mystique of criminals.
"Immediately, the Infantry Trials and Development Unit (ITDU) came back to us and said: 'Why did you design a weapon with a push-button safety catch?' We told them that until seven years earlier we'd had a lever, but an earlier captain at ITDU asked us to put a push button safety catch on, because he preferred it.
