FR1496092A - Wood and machine screws with slotted head and large diameter central hole and suitable screwdriver - Google Patents

Wood and machine screws with slotted head and large diameter central hole and suitable screwdriver

Info

Publication number
FR1496092A
FR1496092A FR58937A FR58937A FR1496092A FR 1496092 A FR1496092 A FR 1496092A FR 58937 A FR58937 A FR 58937A FR 58937 A FR58937 A FR 58937A FR 1496092 A FR1496092 A FR 1496092A
Authority
FR
France
Prior art keywords
wood
large diameter
central hole
machine screws
diameter central
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
FR58937A
Other languages
French (fr)
Inventor
Romain Podolsky
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 FR58937A priority Critical patent/FR1496092A/en
Priority to BE693015D priority patent/BE693015A/xx
Priority to ES138678U priority patent/ES138678Y/en
Priority to LU53261D priority patent/LU53261A1/xx
Application granted granted Critical
Publication of FR1496092A publication Critical patent/FR1496092A/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
    • F16B23/0007—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
    • F16B23/0015—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 rectangular, e.g. one-slot head
    • 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
    • B25B15/007—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with blade of flat or substantially flat cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
FR58937A 1966-04-25 1966-04-25 Wood and machine screws with slotted head and large diameter central hole and suitable screwdriver Expired FR1496092A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR58937A FR1496092A (en) 1966-04-25 1966-04-25 Wood and machine screws with slotted head and large diameter central hole and suitable screwdriver
BE693015D BE693015A (en) 1966-04-25 1967-01-23
ES138678U ES138678Y (en) 1966-04-25 1967-02-01 PERFECTED SCREW.
LU53261D LU53261A1 (en) 1966-04-25 1967-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR58937A FR1496092A (en) 1966-04-25 1966-04-25 Wood and machine screws with slotted head and large diameter central hole and suitable screwdriver

Publications (1)

Publication Number Publication Date
FR1496092A true FR1496092A (en) 1967-09-29

Family

ID=8607021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58937A Expired FR1496092A (en) 1966-04-25 1966-04-25 Wood and machine screws with slotted head and large diameter central hole and suitable screwdriver

Country Status (4)

Country Link
BE (1) BE693015A (en)
ES (1) ES138678Y (en)
FR (1) FR1496092A (en)
LU (1) LU53261A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2352636A1 (en) * 1976-05-25 1977-12-23 Werkzeug Union Gmbh Screwdriver with electroplated shank - prevents hydrogen embrittlement by grinding coating off blade end
US4228723A (en) * 1977-09-16 1980-10-21 Cunningham Hilary H Fastener recess

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2352636A1 (en) * 1976-05-25 1977-12-23 Werkzeug Union Gmbh Screwdriver with electroplated shank - prevents hydrogen embrittlement by grinding coating off blade end
US4228723A (en) * 1977-09-16 1980-10-21 Cunningham Hilary H Fastener recess

Also Published As

Publication number Publication date
LU53261A1 (en) 1967-05-23
BE693015A (en) 1967-07-03
ES138678U (en) 1969-02-16
ES138678Y (en) 1969-07-16

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