FR530380A - Tournevis - Google Patents

Tournevis

Info

Publication number
FR530380A
FR530380A FR530380DA FR530380A FR 530380 A FR530380 A FR 530380A FR 530380D A FR530380D A FR 530380DA FR 530380 A FR530380 A FR 530380A
Authority
FR
France
Prior art keywords
screwdriver
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
Other languages
English (en)
Inventor
Guy Walter Faust
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
Priority to GB326421A priority Critical patent/GB176982A/en
Application filed filed Critical
Priority to FR530380T priority
Application granted granted Critical
Publication of FR530380A publication Critical patent/FR530380A/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25GHANDLES FOR HAND IMPLEMENTS
    • B25G1/00Handle constructions
    • B25G1/005Handle constructions for screwdrivers, wrenches or spanners with additional levers, e.g. for increasing torque
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00Screwdrivers
    • B25B15/001Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/007Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with blade of flat or substantially flat cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/16Handles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B23/00Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007Specially 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
    • F16B23/0015Specially 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
FR530380D 1921-01-26 1921-01-29 Tournevis Expired FR530380A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB326421A GB176982A (en) 1921-01-26 1921-01-26 Improvements in and relating to screw drivers
FR530380T 1921-01-29

Publications (1)

Publication Number Publication Date
FR530380A true FR530380A (fr) 1921-12-21

Family

ID=9755041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR530380D Expired FR530380A (fr) 1921-01-26 1921-01-29 Tournevis

Country Status (2)

Country Link
FR (1) FR530380A (fr)
GB (1) GB176982A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019022A (en) * 1998-03-18 2000-02-01 Snap-On Tools Company Multi-purpose screwdriver
ITMI20131939A1 (it) * 2013-11-21 2015-05-22 Brambilla Gaudenzio Elemento di fissaggio con testa ad elevata funzionalita' di impiego.

Also Published As

Publication number Publication date
GB176982A (en) 1922-03-23

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