FR466526A - Improvements to lag screws, nut bolts, etc. - Google Patents
Improvements to lag screws, nut bolts, etc.Info
- Publication number
- FR466526A FR466526A FR466526DA FR466526A FR 466526 A FR466526 A FR 466526A FR 466526D A FR466526D A FR 466526DA FR 466526 A FR466526 A FR 466526A
- Authority
- FR
- France
- Prior art keywords
- lag screws
- nut bolts
- bolts
- nut
- lag
- 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.)
- Expired
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
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE466526X | 1912-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR466526A true FR466526A (en) | 1914-05-15 |
Family
ID=1505285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR466526D Expired FR466526A (en) | 1912-12-26 | 1913-12-24 | Improvements to lag screws, nut bolts, etc. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR466526A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3482481A (en) * | 1968-10-24 | 1969-12-09 | Strohm Newell | Bolt or nut head |
US4125051A (en) * | 1977-06-09 | 1978-11-14 | Illinois Tool Works Inc. | Tamperproof fastener |
DE2825483A1 (en) * | 1977-06-09 | 1978-12-21 | Illinois Tool Works | FASTENING ELEMENT |
DE2925526A1 (en) * | 1977-06-09 | 1980-01-17 | Illinois Tool Works | FASTENING ELEMENT AND RELATED TOOL |
EP0013274A1 (en) * | 1978-12-22 | 1980-07-09 | Fa Karcher Schraubenwerke GmbH | Mechanical connectors and fixing tool therefor |
US4223585A (en) * | 1977-06-09 | 1980-09-23 | Illinois Tool Works Inc. | Double-ended stud with combined driving and locking means |
FR2487455A1 (en) * | 1980-07-23 | 1982-01-29 | Microdot Inc | DIFFICULTLY ALTERABLE THREADED FIXING DEVICE |
US5340256A (en) * | 1992-08-14 | 1994-08-23 | Kinnings Marlow Limited | Security nuts |
-
1913
- 1913-12-24 FR FR466526D patent/FR466526A/en not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3482481A (en) * | 1968-10-24 | 1969-12-09 | Strohm Newell | Bolt or nut head |
US4125051A (en) * | 1977-06-09 | 1978-11-14 | Illinois Tool Works Inc. | Tamperproof fastener |
DE2825483A1 (en) * | 1977-06-09 | 1978-12-21 | Illinois Tool Works | FASTENING ELEMENT |
FR2393971A1 (en) * | 1977-06-09 | 1979-01-05 | Illinois Tool Works | FIXING ELEMENT |
DE2925526A1 (en) * | 1977-06-09 | 1980-01-17 | Illinois Tool Works | FASTENING ELEMENT AND RELATED TOOL |
FR2430537A2 (en) * | 1977-06-09 | 1980-02-01 | Illinois Tool Works | Self-tapping bolt for insertion by power tool - has flange with contoured upward radial projections capable of receiving torque from tool head |
US4223585A (en) * | 1977-06-09 | 1980-09-23 | Illinois Tool Works Inc. | Double-ended stud with combined driving and locking means |
EP0013274A1 (en) * | 1978-12-22 | 1980-07-09 | Fa Karcher Schraubenwerke GmbH | Mechanical connectors and fixing tool therefor |
FR2487455A1 (en) * | 1980-07-23 | 1982-01-29 | Microdot Inc | DIFFICULTLY ALTERABLE THREADED FIXING DEVICE |
US5340256A (en) * | 1992-08-14 | 1994-08-23 | Kinnings Marlow Limited | Security nuts |
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