WO2015061811A2 - A locking mechanism - Google Patents

A locking mechanism Download PDF

Info

Publication number
WO2015061811A2
WO2015061811A2 PCT/ZA2014/000055 ZA2014000055W WO2015061811A2 WO 2015061811 A2 WO2015061811 A2 WO 2015061811A2 ZA 2014000055 W ZA2014000055 W ZA 2014000055W WO 2015061811 A2 WO2015061811 A2 WO 2015061811A2
Authority
WO
WIPO (PCT)
Prior art keywords
locking mechanism
nut
threaded
locking
shank
Prior art date
Application number
PCT/ZA2014/000055
Other languages
French (fr)
Other versions
WO2015061811A3 (en
Inventor
Michiel Coenraad VAN DER WALT
Bazil Raymond SAGE
Original Assignee
Protea Coin Group (Assets In Transit And Armed Reaction) (Pty) Ltd
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 Protea Coin Group (Assets In Transit And Armed Reaction) (Pty) Ltd filed Critical Protea Coin Group (Assets In Transit And Armed Reaction) (Pty) Ltd
Priority to BR112016009091-8A priority Critical patent/BR112016009091A2/en
Priority to AP2016009177A priority patent/AP2016009177A0/en
Priority to EP14855852.1A priority patent/EP3060733B1/en
Publication of WO2015061811A2 publication Critical patent/WO2015061811A2/en
Publication of WO2015061811A3 publication Critical patent/WO2015061811A3/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00—Fastening devices with bolts moving rectilinearly
    • E05C1/02—Fastening devices with bolts moving rectilinearly without latching action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/06—Locks for use with special keys or a plurality of keys ; keys therefor for screw keys

Definitions

  • This invention is In the field of locking devices and related security products. ⁇ Background to he .invention
  • the inventor is aware tha theft of goods in transit is a common problem and results in significant monetary losses.
  • a locking mechanism including a spring - loaded: member comprising s body and a locking pin, wherein the locking pin is configured. to engage an aperture defined by a surface, the locking pin being biased to an engaged position by a. spring and wherein the body defines a threaded: surface for engaging the thread of a threaded key, the key configured to retract the locking pin through translation of torque and rotational motion on the key by user into a linear force on the spring loaded member, thereby causing said locking pin to disengage from the aperture defined by the surface and to remain in a disengaged position whil th key is engaged with the threaded surface of the body.
  • the locking mechanism may include a housing.
  • the threaded surface of the body for engaging the threaded key may be in the form of an extension of the body of the member and may be substantially elongate in form. Jt is to be understood from this specification that in another embodiment of the invention, the threaded surface of the bod for engaging the threaded key may be a surface of an aperture defined by ths body of the member.
  • the threaded surface of th body and the threaded key may be left hand threaded.
  • the threaded surface of the body and the threaded key may be a right hand thread.
  • the locking pin may include guides to prevent the locking pin from rotating around its long axis.
  • the locking pin may included . guides for preventing the locking pin from rotating relative to the housing.
  • the locking pin may be threaded.
  • the locking pin may be essentially elongate and may be circular In cross-section,
  • the locking pin may be any suitable shape, including but not limited to a triangular or rectangular cross- section.
  • the body may define an aperture, which may be threaded for engaging the threaded key.
  • the locking mechanism may include a pressure washer for facilitating the retaining of the looking mechanism In the housing.
  • the housing may be in the form of a first nut configured to receive a shank.
  • the surface defining the aperture for receiving th locking pin may be a surface of a second nut
  • the first nut may indu e a cuff for receiving the second nut and thereby limiting unauthorised access to the second nut.
  • the shank may be generally elongate.
  • the shank may he a generally cylindrical elongate and may include a tapered end.
  • the shank may include a thread and may include a first threaded section and a second counter- threaded section.
  • the first threaded section may include a larger diameter relative the second counter-threaded section.
  • a first nut may have a larger dors diameter relative a second nut bore diameter.
  • the first nut may include a thread and the second nut may include a counter-thread.
  • the first nut may be shaped and dimensioned to engage with the first threaded section of the shank and the second nut may be shaped and dimensioned to engage with, the second counter-threaded section of the shank.
  • the first nut is advances along the threaded portion of the shank to an engaged position.
  • the locking mechanism housed in the first nut is shaped and dimensioned to lock the first nut relative the second nut, thereby to assist in limiting rotation and removal from the shank of the first and second nut.
  • FIG. 1 is a cross-sectional drawing of the locking mechanism wherein the housing Is in the form of a nut;
  • Figure 2 is a plan view of the key;
  • Figure 3 is a cross-sectional drawing of another embodiment of the invention.
  • Figure 4 is a cross-sectional drawing of yet another embodiment of the invention.
  • Figure 5 is a cross-sectional through the locking mechanism, the first and the second nut.
  • reference numeral 10 generally refers to a locking mechanism in accordance with the invention.
  • a locking mechanism 10 including a spring loaded member 11 comprising, a body 12 and a locking pin 14, wherein the locking p n 14 Is configured to engage an aperture 18 defined by a surface 19 (see figure .5), the locking , pin 14 being biased to an engaged position by a spring and wherein the body 12 defines a threaded surface 20 for engaging the thread 36 of a threaded key 34, the key" 34 being configured to retract the locking pin 14 through the translation of torque and rotary motion on the key 34 by a user info a. linear force on the member 11 , thereby causing said locking pin 14 to disengage from the aperture IS defined by the surface 19 and to remain In a disengaged position (not shown) while the key 34 is engaged with the threaded surfac 20 of the body 1.2.
  • a spring loaded member 11 comprising, a body 12 and a locking pin 14, wherein the locking p n 14 Is configured to engage an aperture 18 defined by a surface 19 (see figure .5), the locking , pin 14 being biased
  • The. locking mechanism 10 includes a pressure washer 23 for facilitating the retaining of the locking mechanism 10 in ' the housing 56, in the embodiment show In the drawings, the locking mechanism 10 Includes a housing 26 which is in the form of a first nut 30.
  • the threaded surface 20 of the body 12 and the threaded key 34 are left hand threaded.
  • the locking pin 14 Is threaded, essentially elongate and circular in cross - section. in the embodiment of the invention shown in Figure i t 4 and 5, the threaded surface 20 of the body 12 engaging the threaded key 34 is in the fo m of an extension 21 which is substantially elongate in form.
  • Figure 3 depicts an embodiment of the Invention where the body 12 defines an aperture 19, which is threaded 20, for engaging a modified embodiment of the threaded key (not shown).
  • the first nut 30 is configured to receive a shank (not shown).
  • the surface 19 defining the aperture 18 ( Figure 5) for receiving the iocking pin 14 is in the form of a second nut 44.
  • the shank (not shown) is a cylindrical eiongate and includes a tapered end and a thread having a first threaded section and a second counter-threaded section. This first threaded section has a larger diameter relative to the second counter - threaded section.
  • a first nut 30 has a larger bore diameter 31 relative to a second nufs 44 bore diameter 45.
  • the first nut 30 includes a thread 32 and the second nut 44 includes a counter - thread 40.
  • the ' first nut 30 is shaped and dimensioned to engage with the first threaded section of the shank (not shown) and the second nut 44 Is shaped and dimensioned to engage the second threaded section of the shank (not shown).
  • the first nut 30 includes a cuff 42 for receiving the second nut 44, thereby limiting unauthorised access to the second nut 44,
  • the first nut 30 is advanced along the threaded portion of the shank (not shown) to an engaged position.
  • the locking mechanism 10 housed in the first nut 30 is shaped and dimensioned to lock the first nut 30 relative the second nut 44, thereby to assist in limiting rotation and removal from the shank of the first 30 and the second nut 44.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Mechanical Control Devices (AREA)

Abstract

A locking mechanism 10 comprising a spring loaded member 11 having a body 12 and a locking pin 14 which is configured to engage an aperture 18 defined by s surface 19. The locking pin 14 Is biased to an engaged position by a spring and the locking mechanism includes a key which Is configured to retract the locking pin 14 through translation of torque and rotational motion on the key 34 by a user Into a linear force on the spring loaded member 11, The action of the key 34 caused said locking pin 14 to disengage from the aperture 18 defined fay the surface 19 and to remain In a disengaged position while the key 34 is engaged with the threaded surface of the body 12.

Description

A LOCKING MECHANiSM
Field of the mverjiion
This invention is In the field of locking devices and related security products. ■Background to he .invention
The inventor is aware tha theft of goods in transit is a common problem and results in significant monetary losses.
The inventor believes thai this invention overcomes certain deficiencies In other locking mechanisms.
Summary of the invention
According to an aspect of the invention there is provided a locking mechanism, the locking mechanism including a spring - loaded: member comprising s body and a locking pin, wherein the locking pin is configured. to engage an aperture defined by a surface, the locking pin being biased to an engaged position by a. spring and wherein the body defines a threaded: surface for engaging the thread of a threaded key, the key configured to retract the locking pin through translation of torque and rotational motion on the key by user into a linear force on the spring loaded member, thereby causing said locking pin to disengage from the aperture defined by the surface and to remain in a disengaged position whil th key is engaged with the threaded surface of the body.
The locking mechanism may include a housing.
The threaded surface of the body for engaging the threaded key may be in the form of an extension of the body of the member and may be substantially elongate in form. Jt is to be understood from this specification that in another embodiment of the invention, the threaded surface of the bod for engaging the threaded key may be a surface of an aperture defined by ths body of the member.
The threaded surface of th body and the threaded key may be left hand threaded.
The threaded surface of the body and the threaded key may be a right hand thread.
The locking pin. may include guides to prevent the locking pin from rotating around its long axis.
The locking pin may includ . guides for preventing the locking pin from rotating relative to the housing.
In an embodiment of the invention, the locking pin ma be threaded.
The locking pin. may be essentially elongate and may be circular In cross-section,
In an embodiment of the invention, the locking pin may be any suitable shape, including but not limited to a triangular or rectangular cross- section. in another embodiment of the Invention,: the body may define an aperture, which may be threaded for engaging the threaded key.
The locking mechanism may include a pressure washer for facilitating the retaining of the looking mechanism In the housing.
The housing may be in the form of a first nut configured to receive a shank.
The surface defining the aperture for receiving th locking pin may be a surface of a second nut
The first nut may indu e a cuff for receiving the second nut and thereby limiting unauthorised access to the second nut. The shank may be generally elongate.
The shank may he a generally cylindrical elongate and may include a tapered end.
The shank may include a thread and may include a first threaded section and a second counter- threaded section. The first threaded section may include a larger diameter relative the second counter-threaded section.
A first nut may have a larger dors diameter relative a second nut bore diameter.
The first nut may include a thread and the second nut may include a counter-thread.
The first nut ma be shaped and dimensioned to engage with the first threaded section of the shank and the second nut may be shaped and dimensioned to engage with, the second counter-threaded section of the shank.
Typically, the first nut is advances along the threaded portion of the shank to an engaged position.
•Advancement of the second nut .along the shank towards the engaged position of the first nut may assist to discourage the removal of the first nut.
The locking mechanism housed in the first nut is shaped and dimensioned to lock the first nut relative the second nut, thereby to assist in limiting rotation and removal from the shank of the first and second nut.
Deta led description of the drawings
The invention will now be described and explained with reference to the following non-limiting drawings and examples wherein;
Figur 1 is a cross-sectional drawing of the locking mechanism wherein the housing Is in the form of a nut; Figure 2 is a plan view of the key;
Figure 3 is a cross-sectional drawing of another embodiment of the invention;
Figure 4 is a cross-sectional drawing of yet another embodiment of the invention;
Figure 5 is a cross-sectional through the locking mechanism, the first and the second nut. in the drawings, reference numeral 10 generally refers to a locking mechanism in accordance with the invention.
According to an aspect of the invention there is provided a locking mechanism 10, the locking mechanism including a spring loaded member 11 comprising, a body 12 and a locking pin 14, wherein the locking p n 14 Is configured to engage an aperture 18 defined by a surface 19 (see figure .5), the locking, pin 14 being biased to an engaged position by a spring and wherein the body 12 defines a threaded surface 20 for engaging the thread 36 of a threaded key 34, the key" 34 being configured to retract the locking pin 14 through the translation of torque and rotary motion on the key 34 by a user info a. linear force on the member 11 , thereby causing said locking pin 14 to disengage from the aperture IS defined by the surface 19 and to remain In a disengaged position (not shown) while the key 34 is engaged with the threaded surfac 20 of the body 1.2.
The. locking mechanism 10 includes a pressure washer 23 for facilitating the retaining of the locking mechanism 10 in' the housing 56, in the embodiment show In the drawings, the locking mechanism 10 Includes a housing 26 which is in the form of a first nut 30.
The threaded surface 20 of the body 12 and the threaded key 34 are left hand threaded. The locking pin 14 Is threaded, essentially elongate and circular in cross - section. in the embodiment of the invention shown in Figure i t 4 and 5, the threaded surface 20 of the body 12 engaging the threaded key 34 is in the fo m of an extension 21 which is substantially elongate in form.
Figure 3 depicts an embodiment of the Invention where the body 12 defines an aperture 19, which is threaded 20, for engaging a modified embodiment of the threaded key (not shown). The first nut 30 is configured to receive a shank (not shown).
The surface 19 defining the aperture 18 (Figure 5) for receiving the iocking pin 14 is in the form of a second nut 44.
The shank (not shown) is a cylindrical eiongate and includes a tapered end and a thread having a first threaded section and a second counter-threaded section. This first threaded section has a larger diameter relative to the second counter - threaded section.
A first nut 30 has a larger bore diameter 31 relative to a second nufs 44 bore diameter 45.
The first nut 30 includes a thread 32 and the second nut 44 includes a counter - thread 40. in the embodiment shown in the Invention, the 'first nut 30 is shaped and dimensioned to engage with the first threaded section of the shank (not shown) and the second nut 44 Is shaped and dimensioned to engage the second threaded section of the shank (not shown).
I the embodiment shown in Figure 4 and 5, the first nut 30 includes a cuff 42 for receiving the second nut 44, thereby limiting unauthorised access to the second nut 44,
Typically, the first nut 30 is advanced along the threaded portion of the shank (not shown) to an engaged position.
Advancement of the second nut 44 along the shank (not shown) towards the engaged position of the first nut 30 assists in discouraging the removal of the first nut 30. The locking mechanism 10 housed in the first nut 30 is shaped and dimensioned to lock the first nut 30 relative the second nut 44, thereby to assist in limiting rotation and removal from the shank of the first 30 and the second nut 44.

Claims

A locking mechanism comprising a spring-loaded member comprising a body and a locking pin, wherein the locking pin is configured to engage an aperture defined by a surface characterized in that the locking mechanism the locking pin being biased to an engaged position by a spring and wherein the body defines a threaded surface for engaging the thread of a threaded key, the key configured, to retract the locking pin through translation of torque and rotational motion on the ke by a user Into a linear force on the spring loaded member, thereby causing said locking pin to disengage from the aperture defined by the surface and to remain in a disengaged position while the key is engaged with the threaded surface of the body.
A locking mechanism as claimed in claim 1, characterized in that the locking mechanism Includes a housing.
A locking mechanism as claimed in either claim 1 or 2, characterized i that the threaded surface of the body for engaging the threaded key may be in the form of an extension of the body of the . member and substantially elongate in form.
A locking mechanism as claimed in claim 1 or 2, characterized in that the threaded surface of the body for engaging the threaded key is a surface of an aperture defined by the body of the member.
A locking mechanism as claimed in claims 3 or 4, characterized in that the t readed surface of the body and the threaded key are. left hand threaded,
A locking mechanism as claimed in claims 3 or 4, characterized in that the threaded surface of the body and the threaded ke are right hand threaded.
A locking mechanism as claimed In any one of the preceding claims, characterized in that the locking pin Includes guides to prevent the locking pin from rotating around Its long axis.
8. A locking mechanism as claimed in claim 7, characterized in thai the socking pin includes guides for preventing the locking pin from rotating relative to the housing.
9. A locking mechanism as claimed iri claim 7 or 8, characterized in that the locking pin is threaded,
10. A locking mechanism as claimed in any one of claims 7 to S, characterized in that the locking pin is essentially elongate and circular in cross-section.
11. A iocking mechanism as daimed In any one of claims 7 to 9, characterized in that the locking pin Is triangular in cross-section.
12. A: locking mechanism as claimed in any one of claims 7 to 9, characterized in that the locking pin is rectangular in cross-section.
13. A locking mechanism as claimed in any one of the preceding claims, characterized in that the body defines an aperture which is threaded for engaging the threaded key,
14. A locking mechanism as claimed In any one of the preceding claims, characterized in that the locking device includes a pressure washer for facilitating the retaining of the locking mechanism I the housing. 5. A locking mechanism a claimed in any one of the preceding .claims, characterized in that the housing is In the form of a first nut configured to receive a shank,
18. A locking mechanism as claimed in claim 15: characterized In that the surface defining the aperture for receiving the locking pin may he a surface of a second nut.
17. A locking mechanism as claimed in either claims 15 or 15; characterized In that the first nut includes a cuff for receiving the second nut and thereby limiting unauthorised access to the second nut.
A locking mechanism as claimed In any one of the preceding claims, characterized that the shank is generally elongate and includes a tapered end.
19. A locking mechanism as claimed in claim 18, characterized In that the shank includes a thread.
20. A locking mechanism as claimed In claim 18 or 1.9,, characterized in that the shank includes a first threaded section and a second counter- threaded section,
21. A locking mechanism as claimed In claim 20, characterized in that the first threaded section includes a larger diameter relative to the second counter-threaded section.
22. A locking mechanism as claimed in any one of claims 15 to 21 , characterized sn that the first nut has a larger bore diameter relative the second nut bore diameter.
23. A locking mechanism as claimed in any one of claims 15 to 22, characterized in that the first nut include a thread and the second nut includes a counter-thread.
24. A locking mechanism as claimed in any one of claims 15 to 23: characterized in that the first nut is shaped and dimensioned to engage with the first threaded section of the shank and the second nut is shaped: and dimensioned to engage with the second counter-threaded section of the shank.
25. A locking mechanism as claimed In any one of claims 15 to 24, characterised in that the first nu is advanced along the threaded portio of the shank to an engaged position.
28 A locking mechanism as claimed In any one of claims 15 to 25, characterized in that advancement of the second nut .along the shank towards the engaged position of the first nut assists to discourage the removal of the first nut.
27. A method of using a locking device as claimed in any one of claims 15 to 28, characterised in that the locking device housed in the first nut is shaped and dimensioned to lock the first nut relative to the second nut. thereby assisting in limiting rotation and removal from the shank of the first and second nut,
PCT/ZA2014/000055 2013-10-23 2014-09-30 A locking mechanism WO2015061811A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112016009091-8A BR112016009091A2 (en) 2013-10-23 2014-09-30 LOCKING MECHANISM
AP2016009177A AP2016009177A0 (en) 2013-10-23 2014-09-30 A locking mechanism
EP14855852.1A EP3060733B1 (en) 2013-10-23 2014-09-30 A locking mechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2013/08360 2013-10-23
ZA201308360 2013-10-23

Publications (2)

Publication Number Publication Date
WO2015061811A2 true WO2015061811A2 (en) 2015-04-30
WO2015061811A3 WO2015061811A3 (en) 2015-08-20

Family

ID=52993768

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2014/000055 WO2015061811A2 (en) 2013-10-23 2014-09-30 A locking mechanism

Country Status (4)

Country Link
EP (1) EP3060733B1 (en)
AP (1) AP2016009177A0 (en)
BR (1) BR112016009091A2 (en)
WO (1) WO2015061811A2 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US541159A (en) * 1895-06-18 Nut-lock
GB221433A (en) * 1924-03-13 1924-09-11 Thomas Owen Walton Improvements in or relating to lock nuts
US2537049A (en) * 1947-10-17 1951-01-09 Charles J Glatt Locking device
DE805012C (en) * 1948-10-02 1951-05-04 Ludwig Boeddecker Door lock
WO2008018031A2 (en) * 2006-08-08 2008-02-14 Protea Coin Group (Assests In Transit And Armed Reaction) (Proprietary) Limited A locking device

Also Published As

Publication number Publication date
EP3060733B1 (en) 2019-09-11
BR112016009091A2 (en) 2020-10-27
WO2015061811A3 (en) 2015-08-20
AP2016009177A0 (en) 2016-04-30
EP3060733A2 (en) 2016-08-31
EP3060733A4 (en) 2017-06-21

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