FR1398771A - External semi-cylindrical or dihedral screw heads and nuts and keys for their operation - Google Patents

External semi-cylindrical or dihedral screw heads and nuts and keys for their operation

Info

Publication number
FR1398771A
FR1398771A FR3098A FR75003098A FR1398771A FR 1398771 A FR1398771 A FR 1398771A FR 3098 A FR3098 A FR 3098A FR 75003098 A FR75003098 A FR 75003098A FR 1398771 A FR1398771 A FR 1398771A
Authority
FR
France
Prior art keywords
dihedral
nuts
keys
cylindrical
screw heads
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
Application number
FR3098A
Other languages
French (fr)
Inventor
Emile Jacques De Lens
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 filed Critical
Priority to FR3098A priority Critical patent/FR1398771A/en
Application granted granted Critical
Publication of FR1398771A publication Critical patent/FR1398771A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16B23/0061—Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction
    • 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
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR3098A 1963-12-18 1963-12-18 External semi-cylindrical or dihedral screw heads and nuts and keys for their operation Expired FR1398771A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR3098A FR1398771A (en) 1963-12-18 1963-12-18 External semi-cylindrical or dihedral screw heads and nuts and keys for their operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR3098A FR1398771A (en) 1963-12-18 1963-12-18 External semi-cylindrical or dihedral screw heads and nuts and keys for their operation

Publications (1)

Publication Number Publication Date
FR1398771A true FR1398771A (en) 1965-05-14

Family

ID=8569091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR3098A Expired FR1398771A (en) 1963-12-18 1963-12-18 External semi-cylindrical or dihedral screw heads and nuts and keys for their operation

Country Status (1)

Country Link
FR (1) FR1398771A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006660A (en) * 1973-09-08 1977-02-08 Yamamoto Byora Co., Ltd. Fastener element
US4361412A (en) * 1979-12-07 1982-11-30 Gregory Stolarczyk Fastener with improved torque transfer surfaces
FR2507119A1 (en) * 1981-06-03 1982-12-10 Lutrat Jacques Spanner and associated nut - has asymmetric V=shape with short leg ending in beak and fits square or equilateral triangular nuts
US5337958A (en) * 1993-06-02 1994-08-16 Spraying Systems Co. Screw-in type spray nozzle and method of assembly
DE102021201282A1 (en) 2021-02-11 2022-04-14 Zf Friedrichshafen Ag Chassis component for a chassis of a vehicle and with a tool holder and tool for the assembly of such a chassis component

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006660A (en) * 1973-09-08 1977-02-08 Yamamoto Byora Co., Ltd. Fastener element
US4361412A (en) * 1979-12-07 1982-11-30 Gregory Stolarczyk Fastener with improved torque transfer surfaces
FR2507119A1 (en) * 1981-06-03 1982-12-10 Lutrat Jacques Spanner and associated nut - has asymmetric V=shape with short leg ending in beak and fits square or equilateral triangular nuts
US5337958A (en) * 1993-06-02 1994-08-16 Spraying Systems Co. Screw-in type spray nozzle and method of assembly
DE102021201282A1 (en) 2021-02-11 2022-04-14 Zf Friedrichshafen Ag Chassis component for a chassis of a vehicle and with a tool holder and tool for the assembly of such a chassis component

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