How does a single cylinder lock work?

Question

Single Cylinder deadbolts, entry knobs, and handlesets are operated with a key from the outside, but do not require a key for locking or unlocking from the interior of the property. Instead, the door is locked or unlocked using a thumb-turn style lever. 7 мая 2016 г.

How does a single cylinder deadbolt work?

A single-cylinder deadbolt has a slot for a key on one side, while the other side features a knob or turning mechanism of some sort, usually a thumb-turn that looks like a simple lever that turns much like a key would.

How do you unlock a single cylinder lock?

A single-cylinder device can be locked and unlocked by simply turning or pushing the thumb lock on the inside knob; this engages or detracts the bolt. Double-cylinder locksets are keyed on both sides; they function with a key from both the exterior and the interior of the door.

How does a cylinder lock work?

In the cylinder lock, the key turns a cylinder, or plug, which turns an attached cam. When the plug is turned one way, the cam pulls in on the bolt and the door can open. When the plug turns the other way, the cam releases the bolt and the spring snaps it into place so the door cannot open.

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