chain bolt


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chain bolt

At the top of a door, a spring bolt which is actuated by a chain attached to it.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The centre also organises scrambles along the chain walk - Fife's best kept secret - the unique walk along the rocky coastal path with the help of a chain bolted to the cli face.
The dog was less than a year old at the time of the incident and was wearing a muzzle and leashed on a chain bolted to the van's floor, Mr.