AT175424B - Schraube, deren Kopf für den Angriff eines Schraubenziehers eine Ausnehmung aufweist - Google Patents

Schraube, deren Kopf für den Angriff eines Schraubenziehers eine Ausnehmung aufweist

Info

Publication number
AT175424B
AT175424B AT175424DA AT175424B AT 175424 B AT175424 B AT 175424B AT 175424D A AT175424D A AT 175424DA AT 175424 B AT175424 B AT 175424B
Authority
AT
Austria
Prior art keywords
screwdriver
attack
recess
whose head
screw whose
Prior art date
Application number
Other languages
English (en)
Original Assignee
Guest Keen & Nettlefolds Ltd
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 by Guest Keen & Nettlefolds Ltd filed Critical Guest Keen & Nettlefolds Ltd
Application granted granted Critical
Publication of AT175424B publication Critical patent/AT175424B/de

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
    • 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
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/18—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same withdrawing broken threaded parts or twist drills
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
AT175424D 1942-12-30 1950-05-22 Schraube, deren Kopf für den Angriff eines Schraubenziehers eine Ausnehmung aufweist AT175424B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US175424XA 1942-12-30 1942-12-30

Publications (1)

Publication Number Publication Date
AT175424B true AT175424B (de) 1953-07-10

Family

ID=21783172

Family Applications (1)

Application Number Title Priority Date Filing Date
AT175424D AT175424B (de) 1942-12-30 1950-05-22 Schraube, deren Kopf für den Angriff eines Schraubenziehers eine Ausnehmung aufweist

Country Status (1)

Country Link
AT (1) AT175424B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055887B (de) * 1955-03-16 1959-04-23 American Screw Company Schraube mit einem Kopfteil, der eine zentrale Ausnehmung und eine Anzahl radial davon ausgehender Nuten aufweist

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055887B (de) * 1955-03-16 1959-04-23 American Screw Company Schraube mit einem Kopfteil, der eine zentrale Ausnehmung und eine Anzahl radial davon ausgehender Nuten aufweist

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