WO2002040813A1 - Improved auxiliary lock having security function - Google Patents

Improved auxiliary lock having security function Download PDF

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Publication number
WO2002040813A1
WO2002040813A1 PCT/KR2001/001962 KR0101962W WO0240813A1 WO 2002040813 A1 WO2002040813 A1 WO 2002040813A1 KR 0101962 W KR0101962 W KR 0101962W WO 0240813 A1 WO0240813 A1 WO 0240813A1
Authority
WO
WIPO (PCT)
Prior art keywords
groove
auxiliary lock
sensing unit
key
insertion hole
Prior art date
Application number
PCT/KR2001/001962
Other languages
French (fr)
Inventor
Oh-Sung Kwon
Original Assignee
Kwon Oh Sung
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kwon Oh Sung filed Critical Kwon Oh Sung
Priority to AU2002223141A priority Critical patent/AU2002223141A1/en
Publication of WO2002040813A1 publication Critical patent/WO2002040813A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E05B45/08—Electric alarm locks with contact making inside the lock or in the striking plate
    • E05B45/10—Electric alarm locks with contact making inside the lock or in the striking plate by introducing the key or another object
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/38—Auxiliary or protective devices

Definitions

  • the present invention relates to a lock, and more particularly, to an auxiliary lock having a sensor for preventing the unlocking of the auxiliary lock by a key that is not the proper mate of this auxiliary lock, so as to intensify the security function of the auxiliary lock.
  • auxiliary lock through which a lawful user or owner of a building or the like is informed in the event of an unlawful unlocking of the doorway of the building by an unauthorized person, so that the security of the doorway can be intensified.
  • an auxiliary lock having a body, a key insertion hole, and patterns inscribed on the body where a proper key is normally inserted into and turned in the key insertion hole.
  • the auxiliary lock includes a first groove which is formed on the body and into which a sensing unit, which operates an outer alarm when an improper key is inserted into the key insertion hole, is provided, and another groove is formed on the body.
  • the groove is formed to pass through a portion of the body while being connected to the key insertion hole, and the button portion of the sensing unit is not pressed against by a proper key when the sensing unit is inserted into the groove
  • the groove is formed through the center of the body of the auxiliary lock and has a predetermined length measured from the rear of the body.
  • the sensing unit is a tact switch for operating the outer alarm when an improper key presses the button portion of the sensing unit.
  • the first groove includes a portion into which the body of the sensing unit is inserted, a portion into which a button portion, which is attached to the body of the auxiliary lock and pressed by an improper key inserted into the key insertion hole, is inserted, and a portion through which a wire, which connects the sensing unit and the outer alarm, passes
  • a fixing means which prevents the movement of the sensing unit, which is inserted into the first groove, is inserted into another groove, the another groove is formed in the vertical direction of the first groove and connected to the first groove.
  • This auxiliary lock includes a groove into which a sensing unit, which operates an outer alarm when an unfit or illegal key is inserted into the hole of the auxiliary lock, is inserted.
  • FIG. 1 is a plan view of a first embodiment of an auxiliary lock whose security function is improved, according to the present invention
  • FIG. 2 is a front view of the auxiliary lock of FIG. 1
  • FIG. 3 is a rear view of the auxiliary lock of FIG. 1
  • FIG. 4 is a side view of the auxiliary lock of FIG. 1 ;
  • FIG. 5 is a plan view of a second embodiment of an auxiliary lock whose security function is improved, according to the present invention
  • FIG. 6 is a front view of the auxiliary lock of FIG. 5
  • FIG. 7 is a rear view of the auxiliary lock of FIG. 5
  • FIG. 8 is a side view of the auxiliary lock of FIG. 5;
  • FIG. 9 is a bottom view of the auxiliary lock of FIG. 5;
  • FIG. 10 is a rear view of a third embodiment of an auxiliary lock whose security function is improved, according to the present invention; and
  • FIG. 11 is a cross-sectional view of a sensing unit included in an auxiliary lock according to the present invention.
  • FIG. 1 is a plan view of a first embodiment of an auxiliary lock, according to the present invention.
  • reference numeral 10 denotes the body of an auxiliary lock
  • reference numeral 12 denotes a portion of the body 10 of the auxiliary lock, on which screw grooves are formed
  • reference numeral 14 denotes a first groove that is extended to the portion 12.
  • the first groove 14 is a groove into which a sensing unit 100 of FIG. 11 , which senses the insertion of improper keys into a key insertion hole 16 and is connected to an outer alarm, is inserted.
  • the first groove 14 consists of first through third portions 14a through14c, and is connected to the key insertion hole 16.
  • the first portion 14a of the first groove 14 is a portion into which the body 110 of the sensing unit 100 shown in FIG. 11 is inserted.
  • the second portion 14b is a portion for operating the outer alarm when a button portion 120 of the sensing unit 100, i.e., a sensing portion, is pressed by a key that is unlawfully inserted.
  • the sensing unit 100 is connected to the outer alarm via a wire.
  • the third portion 14c of the first groove 14 functions as an opening through which the wire passes.
  • the first groove 14 which passes through one side of a body 10 and the other side of the body 10 opposite to the one side, is formed on the body.
  • the first groove 14 is formed to pass through the body 10 along a central line crossing the key insertion hole 16 vertically.
  • FIG. 3 is a rear view of the auxiliary lock of FIG. 1.
  • a second groove 18 is positioned perpendicular to the third portion 14c of the first groove 14 at a side facing the key insertion hole 16 of the body 10, i.e., the rear side of the body 10. That is, the second groove 18 forms a cross-shaped groove together with the third portion 14c. Therefore, a fixing means is inserted into the cross-shaped groove to prevent the movement of the sensing unit 100 inserted into the groove 10.
  • the rear side of the body 10 is divided into four sections of equal size by the third portion 14c and the second groove 18.
  • third grooves 20 which are formed parallel to the second groove 18.
  • the third grooves 20 are portions into which fixing plates, which respectively fix two strands of the wire for connecting the sensing unit 100 and the outer alarm, are inserted. In the event that the two strands of the wire are united together, one fixing plate can be inserted into only one of the two third grooves 20.
  • FIG. 4 is a side view of the auxiliary lock of FIG. 1.
  • the depth of the second groove 18 is formed to be shallower than that of the first groove 14 in consideration of the functions of the second groove 18.
  • the second groove 18 is connected to the key insertion hole 16 via the third portion 14c of the first groove 14.
  • the third groove 20 has the same depth as the second groove 18 and is also connected to the key insertion hole 16 via the third portion 14c.
  • patterns 22a and 22b are formed at the top or side of the body 10 to match patterns inscribed on a key that is fit in the hole of the auxiliary lock of FIG. 1 , so that the proper key can be inserted into and turned smoothly in the hole.
  • the patterns 22a and 22b are not restricted to being round, but preferably, they are holes that pass between the surface of the body 10 and the key insertion hole 16.
  • an auxiliary lock has] a key insertion hole 48 [that] is formed at the side of a body 40 of the auxiliary lock to predetermined depth, passing through the body 40[, whereas the auxiliary lock according to the first embodiment has the key insertion hole 16 at the center of the body 10 as shown in FIG. 2].
  • the key insertion hole 48 is an insertion portion rather than an insertion hole, and thus will now be described as a 'key insertion portion 48'.
  • the body 40 has a first groove 46 into which a sensing unit 100, which is connected to the key insertion portion 48, is inserted. Referring to FIG.
  • the first groove 46 is formed to pass through the body 40, same as the first groove 14 according to the first embodiment.
  • the first groove 46 consists of a first portion 46a into which the body 1 10 of the sensing unit 100 is inserted, and a second portion 46b that is an opening through which a wire passes.
  • a button portion 120 of the sensing unit 100 protrudes into the key insertion portion 48.
  • the rear of the body 40 is divided into four sections by a second groove 50 that forms a cross-shaped groove together with the second portion 46b of the first groove 46 connected to the key insertion portion 48.
  • Each of the four sections is again divided into two sections by a third groove 52 that is formed parallel to the second groove 50.
  • the functions of the second and third grooves 50 and 52 are the same as those of the first and second grooves 18 and 20 according to the first embodiment.
  • patterns 54 are formed at the side of the auxiliary lock according to the second embodiment, which have the same functions as the patterns 22a and 22b according to the first embodiment.
  • a groove 62 into which a sensing unit 100 is inserted is formed at the rear of a body 60 of an auxiliary lock according to a third embodiment.
  • the groove 62 is formed along the center of the body 60, and further has concave portions 64 at its upper and lower boundaries.
  • the groove 62 can be applied to the auxiliary locks according to the first and second embodiments.
  • the sensing unit 100 of FIG. 11 is a tact switch for operating an outer alarm when an improper key or tool presses against the button portion 120
  • an auxiliary lock according to the present invention includes a groove into which a sensing unit, which operates an outer alarm when an unfit or illegal key is inserted into the hole of the auxiliary lock, is inserted.

Landscapes

  • Lock And Its Accessories (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

This Auxiliary lock has a body, a key insertion hole, and patterns inscribed on the body where a proper key is normally inserted into and turned in the key insertion hole. The auxiliary lock includes a first groove which is formed on the body and into which a sensing unit, which operates an outer alarm when an improper key in inserted into the key insertion hole, is provided, wherein the first groove includes a portion into which the body of the sensing unit is inserted, a portion into which a button portion, which is attached to the body of the auxiliary lock and pressed by an improper key inserted into the key insertion hole, is inserted, and a portion through which a wire, which connects the sensing unit the and outer alarm, passes; another groove is formed on the body, wherein a fixing means, which prevents the movement of the sensing unit, which is inserted into the first groove, is inserted into the another groove. The another groove is formed in the vertical direction of the first groove and connected to the first groove.

Description

IMPROVED AUXILIARY LOCK HAVING SECURITY FUNCTION
Technical Field
The present invention relates to a lock, and more particularly, to an auxiliary lock having a sensor for preventing the unlocking of the auxiliary lock by a key that is not the proper mate of this auxiliary lock, so as to intensify the security function of the auxiliary lock.
Background Art Most doorways are equipped with locks that are locked/ unlocked by the proper keys. However, a lock may be unlocked by a key that does not fit the lock. To prevent this unlawful unlocking, lock manufacturers have tried to make locks having complicate inner structures, but methods of illegally unlocking locks and the tools required to do so have also been developed. Accordingly, in fact, it is impossible to prevent locks from being unlocked by unauthorized intruders. To make things worse, a lawful user of a lock cannot determine that the lock has been unlawfully unlocked by an unauthorized person(s).
Disclosure of the Invention
To solve the above problem, it is an objective of the present invention to provide an auxiliary lock through which a lawful user or owner of a building or the like is informed in the event of an unlawful unlocking of the doorway of the building by an unauthorized person, so that the security of the doorway can be intensified.
Accordingly, to accomplish the above objective of the present invention, there is provided an auxiliary lock having a body, a key insertion hole, and patterns inscribed on the body where a proper key is normally inserted into and turned in the key insertion hole. The auxiliary lock includes a first groove which is formed on the body and into which a sensing unit, which operates an outer alarm when an improper key is inserted into the key insertion hole, is provided, and another groove is formed on the body.
Preferably, the groove is formed to pass through a portion of the body while being connected to the key insertion hole, and the button portion of the sensing unit is not pressed against by a proper key when the sensing unit is inserted into the groove Preferably, the groove is formed through the center of the body of the auxiliary lock and has a predetermined length measured from the rear of the body.
Preferably, the sensing unit is a tact switch for operating the outer alarm when an improper key presses the button portion of the sensing unit.
Preferably, the first groove includes a portion into which the body of the sensing unit is inserted, a portion into which a button portion, which is attached to the body of the auxiliary lock and pressed by an improper key inserted into the key insertion hole, is inserted, and a portion through which a wire, which connects the sensing unit and the outer alarm, passes
Preferably, a fixing means, which prevents the movement of the sensing unit, which is inserted into the first groove, is inserted into another groove, the another groove is formed in the vertical direction of the first groove and connected to the first groove.
This auxiliary lock according to the present invention includes a groove into which a sensing unit, which operates an outer alarm when an unfit or illegal key is inserted into the hole of the auxiliary lock, is inserted. As a result, with the installation of this auxiliary lock, when an illegal intruder(s) unlocks it unlawfully, a lawful user of the auxiliary lock' can be informed of this act by the outer alarm. For this reason, it is very helpful to prevent unlawful entry into a building or increase the security thereof.
Brief Description of the Drawings
FIG. 1 is a plan view of a first embodiment of an auxiliary lock whose security function is improved, according to the present invention; FIG. 2 is a front view of the auxiliary lock of FIG. 1 ; FIG. 3 is a rear view of the auxiliary lock of FIG. 1 ; FIG. 4 is a side view of the auxiliary lock of FIG. 1 ;
FIG. 5 is a plan view of a second embodiment of an auxiliary lock whose security function is improved, according to the present invention; FIG. 6 is a front view of the auxiliary lock of FIG. 5; FIG. 7 is a rear view of the auxiliary lock of FIG. 5; FIG. 8 is a side view of the auxiliary lock of FIG. 5;
FIG. 9 is a bottom view of the auxiliary lock of FIG. 5; FIG. 10 is a rear view of a third embodiment of an auxiliary lock whose security function is improved, according to the present invention; and FIG. 11 is a cross-sectional view of a sensing unit included in an auxiliary lock according to the present invention.
Best mode for carrying out the Invention
Hereinafter, first through third embodiments of an auxiliary lock according to the present invention will be described in detail with reference to the accompanying drawings. In this disclosure, the size or thickness of components of the auxiliary lock may be exaggerated for clarity.
<First Embodiment FIG. 1 is a plan view of a first embodiment of an auxiliary lock, according to the present invention. Here, reference numeral 10 denotes the body of an auxiliary lock, reference numeral 12 denotes a portion of the body 10 of the auxiliary lock, on which screw grooves are formed, and reference numeral 14 denotes a first groove that is extended to the portion 12. The first groove 14 is a groove into which a sensing unit 100 of FIG. 11 , which senses the insertion of improper keys into a key insertion hole 16 and is connected to an outer alarm, is inserted. The first groove 14 consists of first through third portions 14a through14c, and is connected to the key insertion hole 16. The first portion 14a of the first groove 14 is a portion into which the body 110 of the sensing unit 100 shown in FIG. 11 is inserted. The second portion 14b is a portion for operating the outer alarm when a button portion 120 of the sensing unit 100, i.e., a sensing portion, is pressed by a key that is unlawfully inserted. The sensing unit 100 is connected to the outer alarm via a wire. The third portion 14c of the first groove 14 functions as an opening through which the wire passes.
Referring to FIG. 2, the first groove 14, which passes through one side of a body 10 and the other side of the body 10 opposite to the one side, is formed on the body. In other words, the first groove 14 is formed to pass through the body 10 along a central line crossing the key insertion hole 16 vertically.
FIG. 3 is a rear view of the auxiliary lock of FIG. 1. Referring to FIG. 3, a second groove 18 is positioned perpendicular to the third portion 14c of the first groove 14 at a side facing the key insertion hole 16 of the body 10, i.e., the rear side of the body 10. That is, the second groove 18 forms a cross-shaped groove together with the third portion 14c. Therefore, a fixing means is inserted into the cross-shaped groove to prevent the movement of the sensing unit 100 inserted into the groove 10. The rear side of the body 10 is divided into four sections of equal size by the third portion 14c and the second groove 18. Each of the 13
four sections is again divided into two sections by third grooves 20 which are formed parallel to the second groove 18. The third grooves 20 are portions into which fixing plates, which respectively fix two strands of the wire for connecting the sensing unit 100 and the outer alarm, are inserted. In the event that the two strands of the wire are united together, one fixing plate can be inserted into only one of the two third grooves 20.
FIG. 4 is a side view of the auxiliary lock of FIG. 1. Referring to FIG. 4, the depth of the second groove 18 is formed to be shallower than that of the first groove 14 in consideration of the functions of the second groove 18. Also, the second groove 18 is connected to the key insertion hole 16 via the third portion 14c of the first groove 14. The third groove 20 has the same depth as the second groove 18 and is also connected to the key insertion hole 16 via the third portion 14c. Meanwhile, as shown in FIGS. 1 and 4, patterns 22a and 22b are formed at the top or side of the body 10 to match patterns inscribed on a key that is fit in the hole of the auxiliary lock of FIG. 1 , so that the proper key can be inserted into and turned smoothly in the hole. The patterns 22a and 22b are not restricted to being round, but preferably, they are holes that pass between the surface of the body 10 and the key insertion hole 16.
<Second Embodiment
Hereinafter, the same components as those in the first embodiment will be described with the same reference numerals and explanations thereof will be omitted.
Referring to FIGS. 5 and 6, [an auxiliary lock, according to a second embodiment of the present invention, has] a key insertion hole 48 [that] is formed at the side of a body 40 of the auxiliary lock to predetermined depth, passing through the body 40[, whereas the auxiliary lock according to the first embodiment has the key insertion hole 16 at the center of the body 10 as shown in FIG. 2]. In fact, the key insertion hole 48 is an insertion portion rather than an insertion hole, and thus will now be described as a 'key insertion portion 48'. As in the first embodiment, the body 40 has a first groove 46 into which a sensing unit 100, which is connected to the key insertion portion 48, is inserted. Referring to FIG. 9, the first groove 46 is formed to pass through the body 40, same as the first groove 14 according to the first embodiment. However, unlike the first groove 14, the first groove 46 consists of a first portion 46a into which the body 1 10 of the sensing unit 100 is inserted, and a second portion 46b that is an opening through which a wire passes. In the second embodiment, a button portion 120 of the sensing unit 100 protrudes into the key insertion portion 48.
Referring to FIG. 7, in the second embodiment, the rear of the body 40 is divided into four sections by a second groove 50 that forms a cross-shaped groove together with the second portion 46b of the first groove 46 connected to the key insertion portion 48. Each of the four sections is again divided into two sections by a third groove 52 that is formed parallel to the second groove 50. The functions of the second and third grooves 50 and 52 are the same as those of the first and second grooves 18 and 20 according to the first embodiment.
As shown in FIG. 8, patterns 54 are formed at the side of the auxiliary lock according to the second embodiment, which have the same functions as the patterns 22a and 22b according to the first embodiment. <Third Embodiments Referring to FIG. 10, a groove 62 into which a sensing unit 100 is inserted, is formed at the rear of a body 60 of an auxiliary lock according to a third embodiment. The groove 62 is formed along the center of the body 60, and further has concave portions 64 at its upper and lower boundaries. The groove 62 can be applied to the auxiliary locks according to the first and second embodiments. The sensing unit 100 of FIG. 11 is a tact switch for operating an outer alarm when an improper key or tool presses against the button portion 120
While this invention has been particularly shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. For instance, those skilled in the art could have made a key insertion hole (or portion) that is rectangular or triangular shaped rather than round shaped. Also, patterns inscribed on the body of an auxiliary lock may made in various shapes and are not restricted to a round shape.
Industrial Applicability As described above, an auxiliary lock according to the present invention includes a groove into which a sensing unit, which operates an outer alarm when an unfit or illegal key is inserted into the hole of the auxiliary lock, is inserted. As a result, with the installation of this auxiliary lock, when an illegal intruder(s) unlocks it unlawfully, a lawful user of the auxiliary lock can be informed of this act by the outer alarm. For this reason, it is very helpful to prevent unlawful entry into a building or increase the security thereof.

Claims

What is claimed is:
1 . An auxiliary lock having a body, a key insertion hole, and patterns inscribed on the body where a proper key is normally inserted into and turned in the key insertion hole, the auxiliary lock comprising a first groove which is formed on the body and into which a sensing unit, which operates an outer alarm when an improper key is inserted into the key insertion hole, is provided, wherein the first groove comprises a portion into which the body of the sensing unit is inserted, a portion into which a button portion, which is attached to the body of the auxiliary lock and pressed by an improper key inserted into the key insertion hole, is inserted, and a portion through which a wire, which connects the sensing unit and the outer alarm, passes, and another groove is formed on the body, wherein a fixing means, which prevents the movement of the sensing unit, which is inserted into the first groove, is inserted into the another groove, the another groove is formed in the vertical direction of the first groove and connected to the first groove.
2. The auxiliary lock of claim 1 , wherein the groove is formed to pass through a portion of the body while being connected to the key insertion hole, and the button portion of the sensing unit is not pressed against by a proper key when the sensing unit is inserted into the groove
3. The auxiliary lock of claim 1 , wherein the groove is formed through the center of the body of the auxiliary lock and has a predetermined length measured from the rear of the body.
4. The auxiliary lock of claim 1 , wherein the sensing unit is a tact switch for operating the outer alarm when an improper key presses the button portion of the sensing unit.
PCT/KR2001/001962 2000-11-16 2001-11-16 Improved auxiliary lock having security function WO2002040813A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002223141A AU2002223141A1 (en) 2000-11-16 2001-11-16 Improved auxiliary lock having security function

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2020000032163U KR200223434Y1 (en) 2000-11-16 2000-11-16 Secondary padlock with enhanced security
KR2000/32163U 2000-11-16

Publications (1)

Publication Number Publication Date
WO2002040813A1 true WO2002040813A1 (en) 2002-05-23

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ID=19671736

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2001/001962 WO2002040813A1 (en) 2000-11-16 2001-11-16 Improved auxiliary lock having security function

Country Status (3)

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KR (1) KR200223434Y1 (en)
AU (1) AU2002223141A1 (en)
WO (1) WO2002040813A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910006825B1 (en) * 1988-06-21 1991-09-06 사다가쓰 스나미 Car theft proofing system
JPH05248126A (en) * 1992-03-07 1993-09-24 Suzuki Motor Corp Cylinder lock of vehicle
EP0860567A1 (en) * 1997-02-21 1998-08-26 C. Ed. Schulte GmbH Zylinderschlossfabrik Locking device with a cylinder lock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910006825B1 (en) * 1988-06-21 1991-09-06 사다가쓰 스나미 Car theft proofing system
JPH05248126A (en) * 1992-03-07 1993-09-24 Suzuki Motor Corp Cylinder lock of vehicle
EP0860567A1 (en) * 1997-02-21 1998-08-26 C. Ed. Schulte GmbH Zylinderschlossfabrik Locking device with a cylinder lock

Also Published As

Publication number Publication date
KR200223434Y1 (en) 2001-05-15
AU2002223141A1 (en) 2002-05-27

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