“Burglary resistant glass or glass-like materials” means glass which is tempered, laminated or imbedded with wire to strengthen such glass against physical attack, or glass-like material which is manufactured under the trade names of “plexiglass,” “lexan” or a similar product that would provide protection against physical attack above that which is experienced with plate glass.

“Commercial building” means a building used by a person for the purpose of conducting, managing, or carrying on a business, including storage of merchandise.

“Cylinder” means a symmetrical subassembly of a lock containing the cylinder core, tumbler mechanism, and a keyway.

“Cylinder guard” means a hardened ring surrounding the exposed portion of the lock cylinder or other device which is so fastened as to protect the cylinder from wrenching, prying, cutting, or pulling by attack tools.

“Dead bolt” means a bolt which has no automatic spring action and operates by a key cylinder, thumb turn, or lever.

“Dead latch” means a latch in which the latch bolt is positively held in a projected position by a guard bolt, plunger, or auxiliary mechanism.

“Flush bolt” means a dead lock normally used on inactive doors that is attached to the top and bottom and/or side of the door and engages in the frame and/or base of the door.

“Insert” means a hardened steel roller inside unhardened bolts to prevent bolt cutting or sawing with common tools.

“Jamb” means the vertical members of the door frame to which the door is secured.

“Latch” means a beveled, spring-activated bolt, which may or may not have a deadlocking device.

“Locking device” means a part of a window assembly which is intended to prevent movement of the movable sash.

“Sash” means a single frame assembly which supports a window or glazing material.

“Striker” means a metal plate attached to or changed into a door jamb to receive and to hold a projected latch bolt and/or dead bolt in order to secure the door to the jamb. (Ord. 589 § 1 (part), 1978)