GB2417754A - Padlock impact protection device - Google Patents

Padlock impact protection device Download PDF

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Publication number
GB2417754A
GB2417754A GB0419550A GB0419550A GB2417754A GB 2417754 A GB2417754 A GB 2417754A GB 0419550 A GB0419550 A GB 0419550A GB 0419550 A GB0419550 A GB 0419550A GB 2417754 A GB2417754 A GB 2417754A
Authority
GB
United Kingdom
Prior art keywords
padlock
produced
impact
hasp
metallic material
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.)
Withdrawn
Application number
GB0419550A
Other versions
GB0419550D0 (en
Inventor
Terence Corcoran
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0419550A priority Critical patent/GB2417754A/en
Publication of GB0419550D0 publication Critical patent/GB0419550D0/en
Publication of GB2417754A publication Critical patent/GB2417754A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Vending Machines For Individual Products (AREA)

Abstract

A device to protect padlocks from damage through which the hasp of the padlock is passed. Protection is achieved by deflection or absorption of impact energy from any impact to the top face of the lock. One embodiment of the device consists of a concave circular plate larger in diameter than the width of the padlock, and having a slot or holes through which the hasp of the padlock is placed before being attached to the chain or item to be secured. The device may comprise corrugations or other shape incorporated to dissipate impact energy. The device may be formed from metal, for example from sheet metal or spring steel. Alternatively, the device may be formed from plastic rubber or such like.

Description

- ] 241 7754 PADLOCK IMPACT PROTECTION DEVICE.
The most popular design of padlock is that in which the hasp is rotated through 180 degrees and slid into the body to lock. This invention relates to this type of padlock.
Padlocks of this type are very susceptible to breakage by impact to the top face whilst the hasp is restrained. A heavy blow from a hammer can easily force the body of the lock from the hasp. This feature is the weakest point of the design, and is often exploited by criminals.
It is the object of the invention to either eliminate, or substantially reduce this vulnerability.
One embodiment of the invention consists of a concave / convex plate with a slot or holes or any combination of slots and holes, through which the hasp of the lock is passed, before the lock is fitted to the chain or item to me secured, and the lock closed shut. The plate is fitted with the convex face uppermost, and the concave face against the lock body.
The invention prevents direct impact on the lock body by presenting a curved surface to any impact, and directing the force away from the lock body.
The plate can also tilt under impact, further deflecting any impact.
The concave plate may be circular, with a diameter greater than the maximum width of the lock, or may be of some other shape to suit individual circumstances.
Corrugations may be formed in the plate to act as shock absorbers and further dissipate energy from any sudden impact. Rubber or polymeric materials may be incorporated to further increase the shock absorption effect. The invention may be constructed from either metallic or non metallic materials or a combination of both
DRAWINGS
FIG I Shows one embodiment of the device with slot FIG 2 Shows one embodiment of the device with holes FIG 3 Shows hasp turned 180 degrees with device in dropped position to fit chain or other security fixture FIG 4 Shows padlock with device in place, hasp turned back through 180 degrees ready for locking.
FIG 5 Shows device in place, padlock locked.

Claims (15)

1. A device though which the hasp of a padlock is passed which is designed to deflect or otherwise dissipate energy from any impact blow to the top face of the padlock.
2. A device according to claim I in which the plate which is has a convex top face and concave lower face.
3. A device according to claim I in which the device when viewed from above is circular
4. A device according to claim 1 in which when viewed from above is an alternative shape to suit different security situations.
5. A device according to claim I in which the plate is made by the process of powder metallurgy.
6. A device according to claim 1 which is made by forming of sheet metal
7. A device according to claim 1 which is produced by cold forming of metallic material
8. A device according to claim 1 which is produced by hot or cold forging of metallic material
9. A device according to claim 1 which is produced by any manner of casting
10. A device according to claim 1 which has corrugations or some other shape incorporated in order to act as shock absorbers to further dissipate impact energy.
11. A device according to claim 1 which is produced from spring steel or other metallic material which will allow the deformation on impact and then spring back to original shape.
12. A device according to claim 1 which is produced from plastic rubber or polymer based material which will allow deformation and spring back to original shape.
13. A device according to claim 1 which is heat treated.
14. A device according to claim I in which the material used is of insufficient thickness for bolt croppers or similar tools to be effective in cutting the device.
15. A device according to claim I which is made from a combination of materials.
GB0419550A 2004-09-03 2004-09-03 Padlock impact protection device Withdrawn GB2417754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0419550A GB2417754A (en) 2004-09-03 2004-09-03 Padlock impact protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0419550A GB2417754A (en) 2004-09-03 2004-09-03 Padlock impact protection device

Publications (2)

Publication Number Publication Date
GB0419550D0 GB0419550D0 (en) 2004-10-06
GB2417754A true GB2417754A (en) 2006-03-08

Family

ID=33155958

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0419550A Withdrawn GB2417754A (en) 2004-09-03 2004-09-03 Padlock impact protection device

Country Status (1)

Country Link
GB (1) GB2417754A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185519A (en) * 1986-01-21 1987-07-22 Robert Lee Padlock shield
FR2615236A1 (en) * 1987-05-13 1988-11-18 Falson Salvator Tamperproof protection device for padlocks used for theft prevention
US5156029A (en) * 1990-08-17 1992-10-20 Heald Charles J Lock and protective cover assembly
US5303568A (en) * 1992-12-07 1994-04-19 Nate Wightman Padlock protector
US6374646B1 (en) * 2000-12-08 2002-04-23 Donald L. Brake Padlock security cap

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185519A (en) * 1986-01-21 1987-07-22 Robert Lee Padlock shield
FR2615236A1 (en) * 1987-05-13 1988-11-18 Falson Salvator Tamperproof protection device for padlocks used for theft prevention
US5156029A (en) * 1990-08-17 1992-10-20 Heald Charles J Lock and protective cover assembly
US5303568A (en) * 1992-12-07 1994-04-19 Nate Wightman Padlock protector
US6374646B1 (en) * 2000-12-08 2002-04-23 Donald L. Brake Padlock security cap

Also Published As

Publication number Publication date
GB0419550D0 (en) 2004-10-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)