EP0163523A2 - Security device - Google Patents
Security device Download PDFInfo
- Publication number
- EP0163523A2 EP0163523A2 EP85303756A EP85303756A EP0163523A2 EP 0163523 A2 EP0163523 A2 EP 0163523A2 EP 85303756 A EP85303756 A EP 85303756A EP 85303756 A EP85303756 A EP 85303756A EP 0163523 A2 EP0163523 A2 EP 0163523A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking bar
- walls
- hole
- flanged
- bar assembly
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
- E05B73/0082—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices for office machines, e.g. PC's, portable computers, typewriters, calculators
Definitions
- Micro-computers are widely used domestically, and in schools and universities as well as in offices and laboratories. These micro-computers are valuable pieces of equipment and, because of their ready portability are frequently the subject of theft. There is therefore a need for a device for securing such articles, which will act as an effective deterrent to a thief.
- the invention provides a security device comprising: a base member having at least two upstanding walls, on which an article to be secured can be located, a locking bar assembly positionable to extend between the two. walls to prevent withdrawal of the article upwards from the base member; at least one of the walls having a through hole with which a bore in the locking bar assembly can be aligned; a flanged, locating member having a shaft which can pass through the through hole from the outside of the wall and be received in the bore; and separate screw means insertable from the outside of the wall into the flanged locking member for securing the flanged locking member and the locking bar assembly to each other, in use, and thereby securing them to the base member.
- the security bars are preferably made of high quality stainless steel to deter severance by a normal saw-blade and the rod 22 may be freely rotatable within the hollow bar 16 for the same reason.
- the box 2 can be constructed of sheet metal precoated with a plastics finish and which does no facilitate welding at its corners. With use of security bars passing transversely and fore and aft, the upturned walls cannot be prised open outwardly to gain access to the instrument being protected.
Abstract
Description
- This invention relates to a security device for securing articles.
- Micro-computers are widely used domestically, and in schools and universities as well as in offices and laboratories. These micro-computers are valuable pieces of equipment and, because of their ready portability are frequently the subject of theft. There is therefore a need for a device for securing such articles, which will act as an effective deterrent to a thief.
- A known security device has a shallow open-topped box which is secured by screws to a desk and into which the micro-computer can be placed. A bar is passed through the side walls of the box, the bar having a head formed on one of its ends and a hole drilled radially adjacent the other end of the bar. A padlock is inserted through the drilled hole and locked to prevent removal of the bar and so secure the micro-computer in place. This has been found to be moderately effective, but has limitation in its use. For example, in the case where a closely spaced row of computers is provided, e.g. in a class or lecture room, there is not sufficient room between them for the bar to be removed sideways to facilitate removal of a computer when desired for any reason. Further, and more importantly it has been found that a padlock was only a mild deterrent, a thief using a bolt cropper had little difficulty in dealing with the padlock.
- Accordingly the invention provides a security device comprising: a base member having at least two upstanding walls, on which an article to be secured can be located, a locking bar assembly positionable to extend between the two. walls to prevent withdrawal of the article upwards from the base member; at least one of the walls having a through hole with which a bore in the locking bar assembly can be aligned; a flanged, locating member having a shaft which can pass through the through hole from the outside of the wall and be received in the bore; and separate screw means insertable from the outside of the wall into the flanged locking member for securing the flanged locking member and the locking bar assembly to each other, in use, and thereby securing them to the base member.
- The flanged locking member may have a deep recess into which the screw means is insertable, so as to reduce access to the screw means. In one embodiment of the invention both the walls have through holes and the locking bar is insertable through one hole so that a flange on the bar engages with the outside of the wall, and the bore is in the inserted end of the locking bar.
- In another embodiment the locking bar assembly is dimensioned to fit between the walls and has two bores, one at each end each for receiving a flanged locating member. Both walls have a through hole and the bore at each end of the locking bar is aligned with the corresponding hole to receive the corresponding flanged locating member. A screw securing means secures each locating member to the locking bar assembly. The advantage of this arrangement is that only the flanged locking members need be put in from the outside of the walls, the locking bar assembly itself being positioned between the walls from above. Thus the locking bar assembly of this device can be fitted even with little space about the device.
- The locking bar assembly can be made up of a solid bar with suitable end bores, or from a sleeve into which is fitted a shorter solid bar. The flanged locating members then fit into the sleeves ends, and the screw means secures each flanged locating member to one end of the internal bar.
- Preferred embodiments of the invention will now be described by way of example with reference to the accompanying drawings, in which:
- Figure 1 is a perspective view of a security device according to the invention;
- Figure 2 is a section view;
- Figure 3 is a scrap view of parts seen in Figure 2; and
- Figure 4 is a view partly in section showing an alternative embodiment.
- Referring to Figures 1 to 3 of the drawings, the security device has a
base member 2 in the form of a hollow shallow open-topped box having a front wall 4, arear wall 6, andside walls base 12. Theside walls locking bar assembly 16 is fixed in place between theside walls bar assembly 16 comprises a hollow sleeve 18 having flanges 20 at each end. A solid bar 22 is located within the sleeve 18 and is somewhat shorter in length than that sleeve. The bar 22 has a threadedhole 24 in each end. Each of two locating members 25 (shown in detail in Figure 3), has ashort shaft 26 and aflange 28. The locating member is deeply counterbored at 30. Asmaller diameter hole 31 is formed in the bottom of theshaft 26. A shank ofcap screw 32 can pass through the hole in theshort shaft 26 to be screwed into thetapped hole 24 in the rod 22, while thehead 34 of the cap screw engages the inside of the bottom of the counterbore 30. Thehead 34 of the screw can be of any form, e.g. it may be square or have any other number of sides. Aplug 36 is provided to give a neat appearance to the security bar. - In use a micro-computer M indicated in chain line is placed in the
box 2 which has been previously screwed to the desk or table bysuitable screws 14. The sleeve 18 containing the rod 22 is then placed in position between thewalls shafts 26 of locatingmember 25 are inserted through those holes and into the hollow sleeve 18, as seen clearly in Figure 3, andscrews 32 are passed through the shafts and screwed into the threadedholes 24. The are tightened by means of akey 39 formed with a suitable socket 40 to fit over thehead 34. - For added security screws having different shapes of
head 34 may be used at each end of the security bar, in which case twodifferent keys 39 are required. - Once the bar is secured in place as described it is not possible to remove the computer from the box and whilst the computer is within the box it is not possible to remove the
screws 14. - In a further embodiment, not shown, the rod 22 is provided with a groove lengthwise along its periphery and wires or optical fibres forming part of a security alarm system may pass along the groove and out of a hole in the sleeve or end of the rod 22, the arrangement being such that an alarm signal would be given if the
endmost shafts 26 are removed without first disconnecting the alarm system. - In the second embodiment shown in Figure 4 the locking or security bar assembly comprises a
solid rod 50 formed with aflange 52 at one end and having a deep counterbore recess 54 at the other end. Therod 50 is provided with a threaded hole 56 at the bottom of the counterbore recess 54. A locatingmember 57, with ashort shaft 58 end flange 59, similar to locatingmember 25, is provided. In use the rod is passed through one of the holes 38 formed in oneside wall 8 and then into the hole in theother side wall 10 of thebox 2. Theshaft 58, of the locatingmember 57 is inserted into therecess 54 in the end of therod 50. Thescrew 32 is inserted into theshaft 58 of locatingmember 57 and is screwed by thekey 39 into threaded hole 56 in therod 50 to fix theshaft 58 of the locating member in position with the flange 59 outside thewall 8.Plugs 36 are inserted at each end of the rod for the sake of appearance. This modification would not be most suitable for use where a row of micro-computers is provided, but would suffice for a single installation. - The security bars are preferably made of high quality stainless steel to deter severance by a normal saw-blade and the rod 22 may be freely rotatable within the
hollow bar 16 for the same reason. - Although the security arrangement has been described with reference to micro-computers, it can, of course be_ used for securing anything of value which would otherwise be readily portable, e.g. video and audio recorders.
- An added advantage of the above described arrangements is that the
box 2 can be constructed of sheet metal precoated with a plastics finish and which does no facilitate welding at its corners. With use of security bars passing transversely and fore and aft, the upturned walls cannot be prised open outwardly to gain access to the instrument being protected.
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8413811 | 1984-05-30 | ||
GB848413811A GB8413811D0 (en) | 1984-05-30 | 1984-05-30 | Securing articles |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0163523A2 true EP0163523A2 (en) | 1985-12-04 |
EP0163523A3 EP0163523A3 (en) | 1986-08-27 |
EP0163523B1 EP0163523B1 (en) | 1990-03-14 |
Family
ID=10561714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19850303756 Expired - Lifetime EP0163523B1 (en) | 1984-05-30 | 1985-05-29 | Security device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0163523B1 (en) |
DE (1) | DE3576548D1 (en) |
GB (1) | GB8413811D0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6185964B1 (en) * | 1999-12-01 | 2001-02-13 | Raphael Addiego | Security device to prevent use of a mouse |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3714644A (en) * | 1970-11-25 | 1973-01-30 | H Hellstrom | Alarms for night latch |
GB2134587A (en) * | 1983-01-14 | 1984-08-15 | Lewin Persephone Francs | Security device |
-
1984
- 1984-05-30 GB GB848413811A patent/GB8413811D0/en active Pending
-
1985
- 1985-05-29 EP EP19850303756 patent/EP0163523B1/en not_active Expired - Lifetime
- 1985-05-29 DE DE8585303756T patent/DE3576548D1/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3714644A (en) * | 1970-11-25 | 1973-01-30 | H Hellstrom | Alarms for night latch |
GB2134587A (en) * | 1983-01-14 | 1984-08-15 | Lewin Persephone Francs | Security device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6185964B1 (en) * | 1999-12-01 | 2001-02-13 | Raphael Addiego | Security device to prevent use of a mouse |
Also Published As
Publication number | Publication date |
---|---|
EP0163523B1 (en) | 1990-03-14 |
DE3576548D1 (en) | 1990-04-19 |
EP0163523A3 (en) | 1986-08-27 |
GB8413811D0 (en) | 1984-07-04 |
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