LOCK DEVICE OF CLOCK SPRING

摘要

PROBLEM TO BE SOLVED: To provide a lock device of a clock spring which can reduce a process of installing work and maintenance work and can prevent the occurrence of failure by forgetfulness of a lock by automatically releasing a lock at installing time, and automatically setting the lock at removing time. SOLUTION: Inserting holes 7 and 8 are respectively formed in a first case 1 and a second case 2 of a relatively rotating clock spring A, and a lock pin 11 is inserted into these inserting holes 7 and 8, and the first case 1 and the second case 2 are locked. A push pin 20 is arranged in a combination switch 19 being an installing object part of the clock spring A, and when the clock spring A is installed in the combination switch 19, the lock pin 11 is pushed by the push pin 20, and a lock is released.