| 摘要 |
<p>A key operated switch lock assembly comprising one tumbler lock, a plurality of rotary switches, and at least one key. The switches are supported rearward of a lock housing of the lock, and the key has an elongated portion which protrudes rearward of the lock housing. Each switch comprises a base plate having a pair of spaced stationary contacts, a rotary disk having a moving contact, and a casing to receive the disk and the base plate. The elongated key portion has at least one operating projection which can turn the disk. When the disk is rotated through a given angle, the moving contact comes into contact with one of the stationary contacts. The other of the stationary contacts always touches the moving contact. The key operated switch lock assembly is used for controlling the operation of important devices such as an electronic computer and the like.</p> |
