LOCKING MECHANISM FOR A SPRING-ACTUATED DEVICE

摘要

The spring-actuated output drive mechanism includes a locking stressing mechanism. The locking stressing mechanism comprises a force step-up transmission, e.g. a screw thrust transmission for stressing the spring. An annularly arranged locking member has engaging locking surfaces. Two abutments are provided for limiting the travel of the spring. A release button also is provided.