GB9123972D0 - Security fastener and tools for operating same - Google Patents
Security fastener and tools for operating sameInfo
- Publication number
- GB9123972D0 GB9123972D0 GB919123972A GB9123972A GB9123972D0 GB 9123972 D0 GB9123972 D0 GB 9123972D0 GB 919123972 A GB919123972 A GB 919123972A GB 9123972 A GB9123972 A GB 9123972A GB 9123972 D0 GB9123972 D0 GB 9123972D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- tools
- operating same
- security fastener
- fastener
- security
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/485—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
- B25B13/486—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts using a threaded connection between screw and tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/485—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0076—Specially shaped nuts or heads of bolts or screws for rotations by a tool causing slipping of the tool in loosening rotation, i.e. disabling unscrewing unless another tool is used
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9123972A GB2261483B (en) | 1991-11-12 | 1991-11-12 | Security fastener and tools for operating same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9123972A GB2261483B (en) | 1991-11-12 | 1991-11-12 | Security fastener and tools for operating same |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9123972D0 true GB9123972D0 (en) | 1992-01-02 |
GB2261483A GB2261483A (en) | 1993-05-19 |
GB2261483B GB2261483B (en) | 1995-07-26 |
Family
ID=10704463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9123972A Expired - Fee Related GB2261483B (en) | 1991-11-12 | 1991-11-12 | Security fastener and tools for operating same |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2261483B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5366330A (en) * | 1993-07-26 | 1994-11-22 | Vsi Corporation | Fastener head with internal recess having a radial slot configuration and installation tool therefor |
AT400478B (en) | 1993-09-30 | 1996-01-25 | Ideal Standard | THREADED PART WITH A TOOL APPROACH |
DE19546739C2 (en) * | 1995-12-14 | 1999-08-19 | Ford Werke Ag | Drain plug for a tin container |
NO994934L (en) * | 1999-10-08 | 2001-04-09 | Jone Edland | Screw head and tools |
GB2361043A (en) * | 2000-04-07 | 2001-10-10 | Uniscrew Ltd | Driving head for a fastener having at least two recesses |
US20030219328A1 (en) * | 2002-05-23 | 2003-11-27 | Dennis Schultz | Light weight fastener for use on interference fits in automation |
DE10320655B4 (en) * | 2003-05-07 | 2005-03-24 | Robert Wedding | Anti-sabotage screw has threaded shaft and screw head with drive recess with helical guide grooves for engagement by screwdriver tool having helical coil shaft compatible with drive recess |
US8739660B2 (en) | 2006-04-24 | 2014-06-03 | Ttapdrive As | Screw head and tool for use therewith |
GB2437537A (en) | 2006-04-24 | 2007-10-31 | Jone Edland | Screw head with hexalobular recess and corresponding tool |
DE102006043784A1 (en) * | 2006-09-13 | 2008-03-27 | Aap Implantate Ag | Screwdriver i.e. hexagonal screw turner, has screwdriver shank and screwdriver head that is conically tapered to point, where screwdriver head has twisting, and rotation of twisting takes place from shank with respect to clockwise direction |
AT13459U1 (en) * | 2011-08-29 | 2013-12-15 | Johannes Duscheck | Use of an insert for a screw-in device |
NL2025250B1 (en) * | 2020-03-31 | 2021-10-22 | Lbm Europe B V | MOUNTING ELEMENT WITH PROFILED HEAD |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB511033A (en) * | 1937-12-07 | 1939-08-08 | Granville Bradshaw | Improvements in and relating to screws and self-tapping screwdrivers |
GB513497A (en) * | 1938-04-09 | 1939-10-13 | Clyde Jay Coleman | Improvements in and relating to screws and the method of manufacturing them |
GB637683A (en) * | 1947-11-04 | 1950-05-24 | Henry Maitland Williams | Improvements in and relating to screws having conoidal driving sockets and in tools for use with such screws |
FR1012156A (en) * | 1949-06-21 | 1952-07-07 | Neyrpic Ets | Improvements to screws, bolts and nuts and their tightening means |
-
1991
- 1991-11-12 GB GB9123972A patent/GB2261483B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2261483A (en) | 1993-05-19 |
GB2261483B (en) | 1995-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19971112 |