| 摘要 |
The disclosure is directed to a perimeter safety switch for machines that require an operator. The safety switch comprises a longitudinal support member that extends around the permimeter of the machine at approximately waist level, and is spaced outwardly therefrom by a plurality of brackets. The support member carries a longitudinal switching element that is actuatable at any point over its length, and which forms part of an electrical circuit for interrupting power to the machine in response to actuation of the switch.
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