ES257752A1 - Perfeccionamientos en sujetadores roscados - Google Patents
Perfeccionamientos en sujetadores roscadosInfo
- Publication number
- ES257752A1 ES257752A1 ES0257752A ES257752A ES257752A1 ES 257752 A1 ES257752 A1 ES 257752A1 ES 0257752 A ES0257752 A ES 0257752A ES 257752 A ES257752 A ES 257752A ES 257752 A1 ES257752 A1 ES 257752A1
- Authority
- ES
- Spain
- Prior art keywords
- recess
- threaded fasteners
- prolonged
- tools
- screw
- 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
- 230000002035 prolonged effect Effects 0.000 abstract 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
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
- 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
- B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
-
- 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
- F16B23/0023—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 substantially cross-shaped
-
- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
- F16B35/044—Specially-shaped ends
- F16B35/045—Specially-shaped ends for retention or rotation by a tool
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Forging (AREA)
- Drilling Tools (AREA)
- Insertion Pins And Rivets (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81110559A | 1959-05-05 | 1959-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES257752A1 true ES257752A1 (es) | 1960-07-16 |
Family
ID=25205573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0257752A Expired ES257752A1 (es) | 1959-05-05 | 1960-04-30 | Perfeccionamientos en sujetadores roscados |
Country Status (6)
Country | Link |
---|---|
AT (2) | AT244876B (de) |
BE (1) | BE590386A (de) |
DE (4) | DE1925198U (de) |
ES (1) | ES257752A1 (de) |
GB (1) | GB953795A (de) |
NL (2) | NL112346C (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2826933C2 (de) * | 1978-06-20 | 1980-04-24 | Anton 8500 Nuernberg Gerhard | Zur Aufnahme einer Abdeckkappe geeignete Kreuzschlitz-Schraube und Verfahren zu ihrer Herstellung |
DE29812208U1 (de) | 1998-07-09 | 1998-10-22 | Schlaf, Friedhelm, 34399 Oberweser | Innenvielnutschraube und Vielnutschlüssel zum Einschrauben der Innenvielnutschraube |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2140449A (en) * | 1937-02-10 | 1938-12-13 | Continental Screw Company | Screw with socketed head and plurality of slots |
US2173707A (en) * | 1937-11-27 | 1939-09-19 | Continental Screw Company | Square socket screw with side slots |
US2285462A (en) * | 1939-05-26 | 1942-06-09 | Holo Krome Screw Corp | Method of and apparatus for making socketed screws |
US2556155A (en) * | 1946-07-13 | 1951-06-05 | Domnic V Stellin | Socket head screw |
US2588404A (en) * | 1946-09-04 | 1952-03-11 | Herman G Muenchinger | Fastening device and method of making same |
US2592462A (en) * | 1951-09-11 | 1952-04-08 | Res Eng & Mfg | Recessed head fastener |
-
0
- NL NL251161D patent/NL251161A/xx unknown
- NL NL112346D patent/NL112346C/xx active
-
1960
- 1960-04-20 DE DE1960G0032653 patent/DE1925198U/de not_active Expired
- 1960-04-20 DE DE1960G0032603 patent/DE1923210U/de not_active Expired
- 1960-04-20 DE DE1960P0016554 patent/DE1922795U/de not_active Expired
- 1960-04-20 DE DE1960P0024869 patent/DE1179769B/de active Pending
- 1960-04-26 AT AT40064A patent/AT244876B/de active
- 1960-04-26 GB GB1463960A patent/GB953795A/en not_active Expired
- 1960-04-26 AT AT757762A patent/AT241248B/de active
- 1960-04-30 ES ES0257752A patent/ES257752A1/es not_active Expired
- 1960-05-02 BE BE590386A patent/BE590386A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
NL112346C (de) | |
AT244876B (de) | 1966-01-25 |
DE1925198U (de) | 1965-10-07 |
GB953795A (en) | 1964-04-02 |
BE590386A (fr) | 1960-09-01 |
DE1923210U (de) | 1965-09-09 |
DE1922795U (de) | 1965-09-02 |
NL251161A (de) | |
AT241248B (de) | 1965-07-12 |
DE1179769B (de) | 1964-10-15 |
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