A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Further improved locks and locking mechanisms
A cylinder lock has a cam 2 and a drive 104. When a key is inserted into a keyhole in at least one end of the cylinder, the drive releases securing means 6, allowing the cam to rotate and disengaging a door bolt. Preferably the securing means has a spring 13 urging a pin towards the cam. The drive may have a spool 7, engaging the securing pin and having two different diameter portions, displaced so the pin engages the smaller diameter when the key is inserted. Preferably, at one end of the drive, a top-hat bush 1 and rotator body 5 are fixed to the cam and a drive dog 14 is attached to it by protrusions engaging two or more holes and a slot. Should this end of the cylinder detach from the lock, and the dog separate from the bush, a shutter 10 seals the bush end so the lock may still be opened with a key. The rotator body may include a recess (200, fig. 14) to receive the shutter. At the other end of the drive there may be a sprung override plunger 9 displacing the spool when pressed against the springs 4.
Further improved locks and locking mechanisms
A cylinder lock has a cam 2 and a drive 104. When a key is inserted into a keyhole in at least one end of the cylinder, the drive releases securing means 6, allowing the cam to rotate and disengaging a door bolt. Preferably the securing means has a spring 13 urging a pin towards the cam. The drive may have a spool 7, engaging the securing pin and having two different diameter portions, displaced so the pin engages the smaller diameter when the key is inserted. Preferably, at one end of the drive, a top-hat bush 1 and rotator body 5 are fixed to the cam and a drive dog 14 is attached to it by protrusions engaging two or more holes and a slot. Should this end of the cylinder detach from the lock, and the dog separate from the bush, a shutter 10 seals the bush end so the lock may still be opened with a key. The rotator body may include a recess (200, fig. 14) to receive the shutter. At the other end of the drive there may be a sprung override plunger 9 displacing the spool when pressed against the springs 4.
Further improved locks and locking mechanisms
MARK O'SULLIVAN (author) / MARCUS O'SULLIVAN (author)
2017-09-13
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
THERMAL INSULATION LOCKING TECHNOLOGY WITH SELF-ADHESIVE CONNECTING LOCKS
| European Patent Office | 2019