The Use of Locks in Physical Crime Prevention

The Use of Locks in Physical Crime Prevention

National Crime Prevention Institute

1st Edition - May 14, 1987

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  • Authors: James M. Edgar, William D. McInerney, Joe A. Mele
  • eBook ISBN: 9781483141909

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Description

The Use of Locks in Physical Crime Prevention aims to present the minimum necessary material that will enable the proper use of locks as security devices. The lock is the most widely used security device. Wherever people have an interest in securing their persons or property against intruders, some sort of locking devices have been developed and used. The effectiveness of any locking system depends on a combination of interrelated factors that are involved in the design, manufacture, installation, and maintenance of the system. A security specialist needs to understand the weaknesses and strengths of the various systems, and know how each must be used to achieve maximum benefit from its application. This goal requires a thorough understanding of the inner workings of the various types of locks, which this book presents. This book is presented in layman's language and does not require an extensive background in security. However, the technological detail contained in this book will be of use to professionals in the field.

Table of Contents


  • Preface

    Acknowledgments

    Introduction

    1. Key- and Combination-Operated Mechanisms

    Warded Locks

    Tumbler Mechanisms

    Disc or Wafer Tumbler Mechanisms

    Pin Tumbler Mechanisms

    Lever Tumbler Mechanisms

    Combination Locks

    2. Lock Bodies

    Bolts

    Latch Bolt

    Deadbolt

    Door Lock Types

    Mortise

    Rim-Mounted

    Tubular

    Cylindrical Lockset

    Unit Locks

    Cylinders

    Padlocks

    Strikes

    3. Attacks and Countermeasures

    Surreptitious Attacks

    Illicit Keys

    Circumvention of the Internal Barriers of the Lock

    Manipulation

    Shimming

    Forceful Attacks

    Attacks on Bolts

    Attacks on Cylinders

    4. Locks and the Systems Approach to Security

    Index

Product details

  • No. of pages: 102
  • Language: English
  • Copyright: © Butterworth-Heinemann 1987
  • Published: May 14, 1987
  • Imprint: Butterworth-Heinemann
  • eBook ISBN: 9781483141909

About the Authors

James M. Edgar

William D. McInerney

Joe A. Mele

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