Patent ID: 11905734
Assignee: SURELOCK MCGILL LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 25:
26. A bolt module comprising:
a bolt moveable between a thrown position and a retracted position;
an anti-thrust member moveable between a release position in which the bolt can be retracted and a plurality of blocking positions obstructing driving back of the bolt under action of an external force on the bolt; and
a first rotor assembly capable of accepting a drive element, the first rotor assembly arranged to drive the bolt and to move the anti-thrust member between the plurality of blocking positions and the release position,
wherein the first rotor assembly comprises an inside rotor capable of accepting an inside drive element and an outside rotor capable of accepting an outside drive element, the inside rotor and outside rotor arranged for rotation about a common axis and having lost-motion there between.