EP2126258A1 - A mode selector for an electric lock - Google Patents
A mode selector for an electric lockInfo
- Publication number
- EP2126258A1 EP2126258A1 EP07845420A EP07845420A EP2126258A1 EP 2126258 A1 EP2126258 A1 EP 2126258A1 EP 07845420 A EP07845420 A EP 07845420A EP 07845420 A EP07845420 A EP 07845420A EP 2126258 A1 EP2126258 A1 EP 2126258A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mode selector
- lock
- bodies
- power
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
- E05B47/0047—Striker rotating about an axis parallel to the wing edge
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0072—Operation
- E05B2047/0073—Current to unlock only
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0072—Operation
- E05B2047/0076—Current to lock only, i.e. "fail-safe"
Definitions
- the present invention relates to a mode selector for electric locks and particularly relates to a mode selector for an electronic door strike.
- Some types of locks can be configured to operate in different modes. For instance, in the case of electronic door strikes, these types of locks may be configured to operate in a Power to Open (PTO) mode or a Power to Lock (PTL) mode. Electronic door strikes are used to control access through doors in buildings. In the PTO, the lock is biased to a locked state and becomes unlocked when power is applied to the lock. In the PTL mode, the lock is biased to an unlocked state and becomes locked when power is applied to the lock.
- PTO Power to Open
- PTL Power to Lock
- the present invention provides a mode selector for an electronic lock including: first and second bodies of different sizes; the first and second bodies are spaced apart by a resilient member.
- the resilient member may include a helical spring.
- the first and second bodies may be cylindrical.
- the first and second bodies may be right cylindrical.
- the resilient member may be mounted coaxially with either of the first or second bodies.
- the first and second bodies may be of different lengths.
- the resilient member may be mounted to either of the first or second bodies by being inserted into an aperture formed in either of the first or second bodies.
- the first and second bodies may be formed from brass.
- the present invention provides an electronic lock including a mode selector according to the first aspect of the invention.
- the electronic lock may be an electronic door strike.
- Figure 1 is an end view of a mode selector for an electronic lock according to an embodiment of the invention
- Figure 2 is a cross section view along the line A-A of figure 1;
- Figure 3 is a cut-away view of an electric door strike including the mode selector of figure 1 in the Power to Open mode with no power applied;
- Figure 4 is a cut away and exploded view of the lock of figure 3;
- Figure 5 is a cross sectional view along the line B-B of figure 3;
- Figure 6 shows the lock of figure 3 in the Power to Open mode with power applied
- Figure 7 shows the lock of figure 3 in the Power to Lock mode with no power applied.
- Figure 8 shows the lock of figure 3 in the Power to Lock mode with power applied.
- a mode selector 3 is shown in end view.
- One end of a first body is shown in the form of brass cylinder 2.
- the mode selector 3 is shown in side cross sectional view.
- a second body in the form of brass cylinder T is shown which is of a different size to cylinder 2 by way of being of a different length.
- the cylinders 2, T are spaced apart by a resilient member in the form of metal helical spring 1.
- Spring 1 is mounted coaxially of the cylinders 2, 2 V and is inserted into apertures formed in either of the first and second cylinders. A small amount of adhesive is used to affix each end of spring 1 into the apertures.
- Spring 1 is resilient. If the spring is elastically deformed, then it will return to its original shape as shown in figure 2.
- an electronic lock of the type known as an electric door strike including a lock body 1 and a face plate 8.
- Mode selector 3 is shown lying in a cylindrical aperture in lock body and is biased against solenoid plunger 7 by way of spring 4 which operates as the solenoid return spring.
- Keeper 6 is pivotally mounted in the lock in a conventional manner
- the lock In use, the lock is mounted in a door frame and controls access through the door.
- the latch of the door is retained in a recess behind the keeper 6. If the keeper is free to move, then the latch is free to be released from the aperture behind the keeper and the lock is said to be unlocked. In this state, the door may be pushed open and the keeper pivots to release the latch. If the keeper is not free to move then the lock is said to be locked.
- the lock When the lock is locked, the door may only be opened by withdrawing the latch by use of a key or interior door handle.
- mode selector 3 may be removed from the lock by unscrewing end cap 5.
- the lock is switched between PTO and PTL modes by removing the mode selector, changing its orientation, and re-inserting mode selector 3 back into the lock and refitting end cap 5.
- the lock is shown in the Power to Open (PTO) mode. It is important to note the orientation of the mode selector 3. The longer cylinder 2 is shown to the left, and the shorter cylinder T is to the right. That is to say, the mode selector has been inserted into the lock with the shorter cylinder 2 V being inserted first as shown in figure 4.
- PTO Power to Open
- the lock is shown in the Power to Lock (PTL) mode.
- the orientation of the mode selector has been changed when compared with figures 3 and 6.
- the longer cylinder 2 is shown to the right, and the shorter cylinder T is to the left. That is to say, the mode selector has been inserted into the lock with the longer cylinder 2 being inserted first.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200663541U CN201031544Y (en) | 2007-01-16 | 2007-01-16 | Dumbbell shape brake component used for electromagnetic valve operating lockset |
PCT/AU2007/001981 WO2008086558A1 (en) | 2007-01-16 | 2007-12-20 | A mode selector for an electric lock |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2126258A1 true EP2126258A1 (en) | 2009-12-02 |
EP2126258A4 EP2126258A4 (en) | 2013-01-16 |
EP2126258B1 EP2126258B1 (en) | 2014-06-11 |
Family
ID=39163436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07845420.4A Not-in-force EP2126258B1 (en) | 2007-01-16 | 2007-12-20 | Electronic lock having two modes of operation |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2126258B1 (en) |
CN (1) | CN201031544Y (en) |
AU (1) | AU2007344643B2 (en) |
NZ (1) | NZ580060A (en) |
WO (1) | WO2008086558A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008016698B4 (en) * | 2008-03-31 | 2021-03-04 | Dormakaba Deutschland Gmbh | Lock with a selector element for changing the functional properties of the lock |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040061343A1 (en) * | 2002-09-30 | 2004-04-01 | Bashford Anthony J. | Electric strike assembly |
US20060226663A1 (en) * | 2005-04-08 | 2006-10-12 | Li-Shih Liao | Magnetic lock |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6856221B1 (en) * | 2003-03-07 | 2005-02-15 | Raymond E. Zehrung | Reversible solenoid |
-
2007
- 2007-01-16 CN CNU2007200663541U patent/CN201031544Y/en not_active Expired - Fee Related
- 2007-12-20 WO PCT/AU2007/001981 patent/WO2008086558A1/en active Application Filing
- 2007-12-20 EP EP07845420.4A patent/EP2126258B1/en not_active Not-in-force
- 2007-12-20 NZ NZ580060A patent/NZ580060A/en active Application Filing
- 2007-12-20 AU AU2007344643A patent/AU2007344643B2/en not_active Revoked
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040061343A1 (en) * | 2002-09-30 | 2004-04-01 | Bashford Anthony J. | Electric strike assembly |
US20060226663A1 (en) * | 2005-04-08 | 2006-10-12 | Li-Shih Liao | Magnetic lock |
Non-Patent Citations (1)
Title |
---|
See also references of WO2008086558A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2126258A4 (en) | 2013-01-16 |
EP2126258B1 (en) | 2014-06-11 |
AU2007344643B2 (en) | 2011-10-20 |
CN201031544Y (en) | 2008-03-05 |
NZ580060A (en) | 2011-03-31 |
AU2007344643A1 (en) | 2008-07-24 |
WO2008086558A1 (en) | 2008-07-24 |
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