Patent ID: 11920697
Assignee: ROTORK CONTROLS LIMITED
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 17:
18. The failsafe module according to claim 17, further comprising:
a lock nut configured to releasably secure the collar to the input member; the lock nut comprising a head having a unique configuration; and,
a key having a corresponding unique configuration, such that the lock nut is tightened or released only when the key having the corresponding unique configuration engages with and rotates the lock nut, to thereby secure or remove the collar from the input member;
wherein the lip comprises a first fixing hole extending axially through the lip, and the corresponding indent on the input member comprises a floor having a second fixing hole, such that the first and second fixing holes are aligned when the collar is fitted to the input member; and
whereby the collar is secured to the input member when the lock nut is received within the aligned first and second fixing holes and tightened by the key.