sweep lock

sweep lock

sweep lock
A sash fast, usually placed on the meeting rails of a window to secure the window; controlled by the action of a lever which rotates to a position where it is secured by a catch.
References in periodicals archive ?
AA([R])3350 ISOPORT([R]) Window features powder coated die-cast sweep locks and keepers for maximum security and a push-button feature on sweep locks prevents windows from being opened accidentally.