GB201205380D0 - A lock - Google Patents
A lockInfo
- Publication number
- GB201205380D0 GB201205380D0 GBGB1205380.7A GB201205380A GB201205380D0 GB 201205380 D0 GB201205380 D0 GB 201205380D0 GB 201205380 A GB201205380 A GB 201205380A GB 201205380 D0 GB201205380 D0 GB 201205380D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- bolt
- housing
- restraint
- key
- lock
- 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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1427—Locking devices
-
- 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
- E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits
- E05B35/004—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits pivoting about an axis perpendicular to the main key axis
-
- 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
- E05B35/008—Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
A lock (10) for an access cover (12) comprises a bolt (13) and housing (14), the bolt can move in a first direction in the housing, and in a second direction between an advanced position in which it protrudes from the housing via a bolt aperture and a further, relatively retracted position. The housing includes a restraint (28, 42, figure 8) with which the bolt is engageable so as to limit movement of the bolt in the second direction; and the lock includes a biasser (27, figure 2) that biases the bolt into the restraint. The housing includes a key aperture (44, figure 5) for receiving a key (29, figure 3) that is engageable with the bolt such that movement of the key is capable of moving the bolt in the first direction against the action of the biasing means and out of engagement with the restraint; and in the second direction between the advanced and further positions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1205380.7A GB2500630B (en) | 2012-03-27 | 2012-03-27 | A lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1205380.7A GB2500630B (en) | 2012-03-27 | 2012-03-27 | A lock |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201205380D0 true GB201205380D0 (en) | 2012-05-09 |
GB2500630A GB2500630A (en) | 2013-10-02 |
GB2500630B GB2500630B (en) | 2014-09-10 |
Family
ID=46087201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1205380.7A Active GB2500630B (en) | 2012-03-27 | 2012-03-27 | A lock |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2500630B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104563272B (en) * | 2014-12-19 | 2016-11-30 | 苏州弗斯特凯特精密机械有限公司 | A kind of pilfer-proof closure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2869053B1 (en) * | 2004-04-15 | 2006-07-14 | Norinco Sa | LOCKING AND UNLOCKING DEVICE WITH A BUFFER KEY ON A FRAME |
US20070081856A1 (en) * | 2005-10-12 | 2007-04-12 | Degreef Richard | Method and apparatus for locking a manhole cover |
GB0905248D0 (en) * | 2009-03-27 | 2009-05-13 | Ajm Engineering | Lock assembly |
-
2012
- 2012-03-27 GB GB1205380.7A patent/GB2500630B/en active Active
Also Published As
Publication number | Publication date |
---|---|
GB2500630B (en) | 2014-09-10 |
GB2500630A (en) | 2013-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20150820 AND 20150826 |