thumb latch

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lift latch, thumb latch

lift latch
A type of door latch which fastens a door by means of a pivoted bar that engages a hook on the doorjamb; a lever which lifts the pivoted bar is used to unfasten the door. Also see Norfolk latch, Suffolk latch, thumb latch.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Colder determined that an entirely new connector needed to be designed--one that was half the flow size of the NS2 but that still incorporated the familiar thumb latch that made the NS4 and NS6 series easy to use.
"One feature that makes our couplings unique is an easy-to-use thumb latch to allow for secure, single-handed operation," says Hass.
To lock the deadbolt, simply press the "Lock" button, operate it with a key or use the thumb latch from the inside.
These low profile couplings feature an audible click to verify a secure connection; a convenient thumb latch for easy disconnects, and sharp barb ends to minimize turbulence.
Locks are student rooms should be the type that remain locked from the outside at all times and cannot be converted to an unlocked position by the use of an interior thumb latch. If possible, a door closer should be on each door to prevent the door from remaining open.
One of its favorite features is the ease with which barrels can be removed and cleaned or switched via the thumb latch in the forward upper end of the trigger guard.
With its ergonomic thumb latch, the coupling offers the "Colder Click," and confidence that a reliable connection has been made.
It still retains many character and period features with wall and ceiling timbers, ledge and brace doors with thumb latch handles, quarry tiling and feature ?replaces.
An incorporated valve ensures the coupling remains clean and leak-free, while a thumb latch feature provides an audible "click" that indicates when a secure connection has been made.