Patent ID: 11965359
Assignee: ASSA ABLOY AB
Field: Civil engineering (Other fields)
Classification: CPC E  H | IPC E  H

Claim 0:
1. A lock device comprising:
a handle; and
an energy harvesting arrangement for an electronic locking system, wherein the energy harvesting arrangement comprises:
a driven member for driving an electric generator, the driven member being arranged to rotate about a driven member rotational axis;
a drive member movable between a starting position, in which the drive member does not engage the driven member, and a releasing position, in which the drive member can drivingly engage the driven member;
a harvesting elastic element arranged to force the drive member towards the starting position and arranged to store mechanical energy from displacement of the drive member from the starting position; and
a release mechanism arranged to release mechanical energy stored in the harvesting elastic element to a returning movement of the drive member from the releasing position to the starting position;
wherein the drive member is arranged to be moved from the starting position to the releasing position by manually turning the handle.