Apparatus for actuating a locking element with an electrical generator

• US 7,948,097 B2
• Filed: 01/26/2007
• Issued: 05/24/2011
• Est. Priority Date: 02/21/2006
• Status: Active Grant

• Current Assignee: EVVA-WERK Spezialerzeugung von Zylinder-und Sicherheitsschlossern Gesellschaft m.b.H. & Co., KG
• Original Assignee: Evva-Werk Specialerzeugung Von Zylinder-Und-Sicherheitsschlossern GmbH & Company KG
• Inventors: Pöllabauer, Reinhard
• Primary Examiner(s): TA, THO DAC
• Application Number:
  US12/224,142
• Publication Number:
  US 20090261598A1
• Time in Patent Office: 1,579 Days
• Field of Search: 290/1.R, 290/1.E
• US Class Current: 290/1.00R
• CPC Class Codes: E05B 19/00 Keys; Accessories therefor key modifications or attachments preventing removal from the lock E05B11/005; key rings A44B15/00; key cases A45C11/32; key holders A47G29/10; making keys, see the relevant places, e.g. B21D53/42; milling grooves in keys B23C3/35
• CPC Class Codes: E05B 2047/0062 by generator
• CPC Class Codes: E05B 47/0004 said core being linearly movable
• CPC Class Codes: E05B 47/0611 Cylinder locks with electromagnetic control
• CPC Class Codes: E05B 47/0615 operated by handles, e.g. by knobs
• CPC Class Codes: H02K 35/02 with moving magnets and stationary coil systems

Abstract

In an apparatus, for example key (25) or locking cylinder (26), for actuating a locking element (14), having a converter (13) for converting mechanical into electrical energy, comprising a magnetic circuit (5) and an induction coil (1) through which the magnetic flux from the magnetic circuit passes, wherein the magnetic circuit (5) or the induction coil (1) is in the form of a movable component and the respective other part is in the form of a fixed component, the movable component is held by a leaf spring (7) and is arranged such that it can be deflected so as to carry out oscillating movements in only one plane.

Claims

1. An apparatus for actuating a locking element, comprising:

a converter for converting mechanical into electrical energy, said converter comprising a Magnetic circuit (5) and an induction coil (1) through which magnetic flux from the magnetic circuit passes, wherein

a first one of the magnetic circuit (5) and the induction coil (1) is formed as a movable component relative to the apparatus and

a respective second one of the magnetic circuit (5) and the induction coil (1) is formed as a fixed component relative to the apparatus,

the movable component is attached to the apparatus by a leaf spring (7),

the movable component is arranged such that the movable component is deflectable so as to carry out oscillating movements in only one plane,

the magnetic circuit (5) comprises two permanent magnets (2, 3) arranged spaced apart in parallel to each other,

the induction coil (1) is arranged in a space between the two magnets (2, 3) maintaining gaps between the induction coil (1) and each of said magnets (2, 3), and

the movable component is arranged such that the movable component is deflectable so as to carry out oscillating movements in a direction transverse to a direction of the magnetic flux.

2. The apparatus according to claim 1, wherein the leaf spring (7) engages with the movable component at a position outside the oscillating plane.

3. The apparatus according to claim 1, wherein the converter (13) is arranged in a cylinder core (26) of a cylinder lock, such that the oscillating plane of the movable component is parallel to an insertion direction (20) of a key (25), wherein at insertion of the key (25), the movable component cooperates with a driver (17) of the key (25) and the movable component is deflected by the driver (17) to carry out oscillating movements.

4. The apparatus according to claim 1, wherein the converter (13) is arranged in a rim (24) of a key (25).

5. The apparatus according to claim 1, wherein the apparatus is a key.

6. The apparatus according to claim 1, wherein the apparatus is a locking cylinder.

7. The apparatus according to claim 1, wherein the leaf spring (7) has a meander shape.

8. The apparatus according to claim 7, wherein the meander shape has a taper positioned near an end of the leaf spring (7) towards the engaging point (10) between the leaf spring (7) and the movable component.

9. The apparatus according to claim 7, wherein the apparatus is a key.

10. The apparatus according to claim 1, wherein the induction coil (1) is formed as the fixed component and the magnetic circuit (5) is formed as the movable component.

11. The apparatus according to claim 10, wherein the apparatus is a key.

12. The apparatus according to claim 10, wherein the apparatus is a locking cylinder.

13. An apparatus for actuating a locking element, comprising:

a converter for converting mechanical into electrical energy, said converter comprising a magnetic circuit (5) and an induction coil (1) through which magnetic flux from the magnetic circuit passes, wherein

a first one of the magnetic circuit (5) and the induction coil (1) is formed as a movable component relative to the apparatus and

a respective second one of the magnetic circuit (5) and the induction coil (1) is formed as a fixed component relative to the apparatus,

the movable component is attached to the apparatus by a leaf spring (7),

the movable component is arranged such that the movable opponent is deflectable so as to carry oscillating movements in only one plane, and

the magnetic circuit (5) comprises at least one permanent magnet (2), which is encompassed by the induction coil (1).

14. The apparatus according to claim 13, wherein the apparatus is a key.

15. The apparatus according to claim 13, wherein the apparatus is a locking cylinder.

16. The apparatus according to claim 13, wherein the converter (13) is arranged in a cylinder core (26) of a cylinder lock, such that the oscillating plane of the movable component is parallel to an insertion direction (20) of a key (25), wherein at insertion of the key (25), the movable component cooperates with a driver (17) of the key (25) and the movable component is deflected by the driver (17) to carry out oscillating movements.

17. An apparatus for actuating a locking element, comprising:

a converter for converting mechanical into electrical energy, said converter comprising a magnetic circuit (5) and an induction coil (1) through which magnetic flux from the magnetic circuit passes, wherein

a first one of the magnetic circuit (5) and the induction coil (1) is formed as a movable component relative to the apparatus, and

a respective second one of the magnetic circuit (5) and the induction coil (1) is formed as a fixed component relative to the apparatus,

the movable component is attached to the apparatus by a leaf spring (7),

the movable component is arranged such that the movable component is deflectable so as to carry out oscillating movements in only one plane, and

the magnetic circuit (5) is formed as a double-sided closed magnetic circuit (5).

18. The apparatus according to claim 17, wherein the apparatus is a key.

19. The apparatus according to claim 17, wherein the apparatus is a locking cylinder.

20. The apparatus according to claim 17, wherein the converter (13) is arranged in a cylinder core (26) of a cylinder lock, such that the oscillating plane of the movable component is parallel to an insertion direction (20) of a key (25), wherein at insertion of the key (25), the movable component cooperates with a driver (17) of the key (25) and the movable component is deflected by the driver (17) to carry out oscillating movements.

21. An apparatus for actuating a locking element, comprising:

a converter for converting mechanical into electrical energy, said converter comprising a magnetic circuit (5) and an induction coil (1) through which magnetic flux from the magnetic circuit passes, wherein

a first one of the magnetic circuit (5) and the induction coil (1) is formed as a movable component relative to the apparatus, and

a respective second one of the magnetic circuit (5) and the induction coil (1) is formed as a fixed component relative to the apparatus,

the movable component is attached to the apparatus by a leaf spring (7),

the movable component is arranged such that the movable component is deflectable so as to carry out oscillating movements in only one plane,

the magnetic circuit (5) comprises two permanent magnets (2, 3) arranged spaced apart in parallel to each other,

the induction coil (1) is arranged in a space between the two magnets (2, 3) maintaining gaps between the induction coil (1) and each of said magnets (2,3),

the leaf spring (7) has a meander shape,

the meander shape has a taper positioned near an end of the leaf spring (7) towards the engaging point (10) between the leaf spring (7) and the movable component,

the leaf spring (7) engages with the movable component at a position outside the oscillating plane, and

the converter (13) is arranged in a cylinder core (26) of a cylinder lock, such that the oscillating plane of the movable component is parallel to an insertion direction (20) of a key (25), wherein at insertion of the key (25), the movable component cooperates with a driver (17) of the key (25) and the movable component is deflected by the driver (17) to carry out oscillating movements.