spring lock

British  

noun

1. a type of lock having a spring-loaded bolt, a key being required only to unlock it

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Example Sentences

Then he whirled and strode toward his office door, but the spring lock had snapped, queering his exit.

From Time Magazine Archive

They should agree to meet somewhere, probably next spring, lock the doors, and not go home until they have signed a document, however long it may take.

From Time Magazine Archive

The door shut with a spring lock in the face of his pursuer.

From Roger Davis, Loyalist by Baird, Frank

It was manipulated from the inside of the passage by an ordinary and frankly obvious spring lock.

From Doors of the Night by Packard, Frank L. (Frank Lucius)

He plunked angrily into the den of the spider, shut the door, turned the spring lock, and looking around saw not Sands, but Van Dorn himself.

From In the Heart of a Fool by White, William Allen