Electromechanical Lock Cylinder

• US 20080028808A1
• Filed: 03/03/2005
• Published: 02/07/2008
• Est. Priority Date: 03/11/2004
• Status: Active Grant

• Current Assignee: Keso AG (Assa Abloy AB)
• Original Assignee: Keso AG (Assa Abloy AB)
• Inventors: Keller, Ernst
• Granted Patent: US 7,591,160 B2
• Time in Patent Office: Days
• US Class Current: 70/277
• CPC Class Codes: E05B 47/0012 with rotary electromotors actuators with rotary electromotors per se H02K7/06, H02K23/68
• CPC Class Codes: E05B 47/0615 operated by handles, e.g. by knobs
• CPC Class Codes: E05B 47/0642 axially, i.e. with an axially disengaging coupling element
• CPC Class Codes: E05B 9/045 Modular casings for adjusting the length of cylinder locks
• CPC Class Codes: Y10T 70/7062 Electrical type [e.g., solenoid]
• CPC Class Codes: Y10T 70/7079 Key rotated [e.g., Eurocylinder]
• CPC Class Codes: Y10T 70/7102 And details of blocking system [e.g., linkage, latch, pawl, spring]
• CPC Class Codes: Y10T 70/7107 And alternately mechanically actuated by a key, dial, etc.
• CPC Class Codes: Y10T 70/7678 Adjustable

Abstract

The invention relates to an electromechanical lock cylinder, comprising a first cylinder half (2), arranged on the outside of the door, with a key passage (8) for a security key (44) and a second cylinder half (3), arranged on the inside of the door, with a rotating knob rotor (4). Tumblers in the first cylinder half (2) are arranged for rotational release by a security key (44). An electronic device (17) is arranged in the rotating knob (24) for control of a locking device (43). The rotating knob (24) forms a unit with the electronic device (17) arranged therein, detachably mounted on an extension (4a) of the rotating knob rotor (4), projecting past the housing (6). The rotating knob rotor (24) may be adjusted for length by means of an exchangeable adapter (18a to 18c).

Claims

1. An electromechanical lock cylinder, having a first cylinder half (2) to be arranged on the outside of the door, having a key channel (8) for a safety key (44) and a second cylinder half (3) to be arranged on the inside of the door, having a rotary knob rotor (4), which is connected to a rotary knob (24), having tumblers, which are arranged in the first cylinder half (2) and which are to be positioned by the safety key (44) in order to enable rotation, having electronics (17) arranged in the rotary knob (24) for the purpose of driving a blocking apparatus (43), characterized in that the rotary knob (24) with the electronics (17) arranged therein forms a unit which is mounted detachably and such that it can be plugged on an extension (4a), which protrudes on the housing (6), of the rotary knob rotor (4).

2. The lock cylinder as claimed in claim 1, characterized in that the electronics (17) are connected to the housing (6) of the second cylinder half (3) by means of a plug-in connection (28).

3. The lock cylinder as claimed in claim 2, characterized in that the plug-in connection has a pin (28), which is inserted into a cutout (63) in the housing (6) of the second cylinder half (3).

4. The lock cylinder as claimed in claim 3, characterized in that the pin (28) is mounted, in a floating manner, in the cutout (63).

5. The lock cylinder as claimed in claim 1, characterized in that the cable (29) is connected detachably to the blocking apparatus (43) and/or the electronics (17).

6. The lock cylinder as claimed in claim 5, characterized in that the cable (29) has a plug (30, 42) at each of its ends.

7. The lock cylinder as claimed in claim 5, characterized in that the cable (29) is introduced through a groove (50) of a connecting web (12).

8. The lock cylinder as claimed in claim 7, characterized in that the connecting web (12) has a surplus of holes (48) for accommodating a connecting pin (14).

9. The lock cylinder as claimed in claim 1, characterized in that the rotary knob (24) has a bearing disk (39), which covers the electronics (17) on the outside and is connected detachably to a pot-shaped handle part (25).

10. The lock cylinder as claimed in claim 9, characterized in that the bearing disk (39) has an opening for a connecting pin (28) and an opening for passing through a cable (29).

11. The lock cylinder as claimed in claim 9, characterized in that the bearing disk (39) is fixed detachably to the handle part (25) by a snap ring (26).

12. The lock cylinder as claimed in claim 1, characterized in that the rotary knob (24) is fixed detachably to the rotary knob rotor (4) by a snap ring (27).

13. The lock cylinder as claimed in claim 1, characterized in that a slide sleeve (31) is arranged in the rotary knob (24), a carrier (32) for the electronics (17) being mounted in said slide sleeve (31).

14. A rotary knob for an electromechanical lock cylinder as claimed in claim 1, characterized in that it can be connected in a pluggable manner to the second cylinder half (3).

15. The rotary knob as claimed in claim 14, characterized in that it has a pot-shaped handle part (25), into which, in a front, open end, a bearing disk (39) is inserted which has an opening for passing through a cable (29) and an opening for accommodating a connecting pin (28).

16. The rotary knob as claimed in claim 15, characterized in that the bearing disk (39) is fixed detachably to the pot-shaped handle part (25) by a snap ring (26).

17. A construction kit for producing an electromechanical lock cylinder as claimed in claim 1, characterized by a first cylinder half (2) having tumblers and an actuator (blocking apparatus) (43), which can be driven electronically and with which a rotor of the first cylinder half (2) can be blocked, having a second cylinder half (3), which has an extendible rotary knob rotor (4), on which a rotary knob (24) is mounted, having intermediate pieces (18a to 18c), with which the rotary knob rotor (4) can be extended and having further intermediate pieces (16), with which the housings (5, 6) of the first and the second cylinder halves (2, 3) can be extended.

18. The construction kit as claimed in claim 17, characterized in that the two cylinder halves (2, 3) are guided by a connecting web (12), a cable (29) being laid in the connecting web (12).

19. The construction kit as claimed in claim 17, characterized in that a connecting member (28), in particular a pin, is provided with which electronics (17) arranged in the rotary knob (24) can be connected in a pluggable and floating manner to the housing (6) of the second cylinder half (3).