Patent ID: 7866194
Filing Date: 2011-01-11
Classification: E05B,Y10T

Abstract:
1. An unlocking device comprising: a casing adapted to be mounted to a side of a lock having a keyhole, with the casing including a compartment extending along an axis and having first and second openings spaced along the axis, with the keyhole located in an extent of the first opening; a movable body rotatably received in the compartment of the casing about the axis, with the movable body including a closed end and an open end spaced from the closed end along the axis, with a space defined between the closed end and the open end, with the space having an insertion hole in the open end, with the closed end having a hole aligned with the keyhole of the lock; a key receiving seat received in the space of the movable body, with the movable body rotatable relative to the key receiving seat between a first position and a second position, with the key receiving seat including a key receiving hole, with a key slideably received in the key receiving hole, with the hole of the movable body, the key receiving hole of the key receiving seat, and the keyhole of the lock aligned with and facing one another when the movable body is in the first position, with the keyhole of the lock being blocked by the closed end of the movable body when the movable body is in the second position; a block fixed to the open end of the movable body, with the block including first and second sides spaced along the axis, with a through-hole extending from the first side through the second side of the block and having a receiving section; and a linking rod extending through the through-hole of the block, with the linking rod including first and second ends, with the first end of the linking rod being manually rotatable, with the second end of the linking rod having an engaging portion, with the engaging portion engageable with the key, with the key and the linking rod being jointly movable along the axis and jointly rotatable when the engaging portion of the linking rod is engaged with the key.