BE542213A - - Google Patents

Info

Publication number
BE542213A
BE542213A BE542213DA BE542213A BE 542213 A BE542213 A BE 542213A BE 542213D A BE542213D A BE 542213DA BE 542213 A BE542213 A BE 542213A
Authority
BE
Belgium
Prior art keywords
head
screwdriver
screw
ribs
handle
Prior art date
Application number
Other languages
English (en)
French (fr)
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
Publication of BE542213A publication Critical patent/BE542213A/fr

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
    • F16B23/0007—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
BE542213D 1955-10-21 1955-10-21 BE542213A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE542213T 1955-10-21

Publications (1)

Publication Number Publication Date
BE542213A true BE542213A (enrdf_load_stackoverflow) 1955-10-21

Family

ID=85997570

Family Applications (1)

Application Number Title Priority Date Filing Date
BE542213D BE542213A (enrdf_load_stackoverflow) 1955-10-21 1955-10-21

Country Status (1)

Country Link
BE (1) BE542213A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187790A (en) * 1959-05-18 1965-06-08 Hi Shear Rivet Tool Company Screw and screw driver coupling
US4613265A (en) * 1984-03-30 1986-09-23 Visinand Jean Claude Screw with filler-receiving head
EP3889445A1 (en) * 2020-03-31 2021-10-06 LBM Europe B.V. A connection element with a profiled head

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187790A (en) * 1959-05-18 1965-06-08 Hi Shear Rivet Tool Company Screw and screw driver coupling
US4613265A (en) * 1984-03-30 1986-09-23 Visinand Jean Claude Screw with filler-receiving head
EP3889445A1 (en) * 2020-03-31 2021-10-06 LBM Europe B.V. A connection element with a profiled head

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