CA1078229A - Tournevis et vis correspondante - Google Patents

Tournevis et vis correspondante

Info

Publication number
CA1078229A
CA1078229A CA262,005A CA262005A CA1078229A CA 1078229 A CA1078229 A CA 1078229A CA 262005 A CA262005 A CA 262005A CA 1078229 A CA1078229 A CA 1078229A
Authority
CA
Canada
Prior art keywords
tip
slot
screwdriver
screw
bore
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
CA262,005A
Other languages
English (en)
Inventor
James R. Johnson
Francis A. Tayelor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA262,005A priority Critical patent/CA1078229A/fr
Application granted granted Critical
Publication of CA1078229A publication Critical patent/CA1078229A/fr
Expired legal-status Critical Current

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
    • B25B15/007—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with blade of flat or substantially flat cross-section
    • 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
    • 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
    • F16B23/0023—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 cross-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
CA262,005A 1976-09-24 1976-09-24 Tournevis et vis correspondante Expired CA1078229A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA262,005A CA1078229A (fr) 1976-09-24 1976-09-24 Tournevis et vis correspondante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA262,005A CA1078229A (fr) 1976-09-24 1976-09-24 Tournevis et vis correspondante

Publications (1)

Publication Number Publication Date
CA1078229A true CA1078229A (fr) 1980-05-27

Family

ID=4106929

Family Applications (1)

Application Number Title Priority Date Filing Date
CA262,005A Expired CA1078229A (fr) 1976-09-24 1976-09-24 Tournevis et vis correspondante

Country Status (1)

Country Link
CA (1) CA1078229A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984004481A1 (fr) * 1983-05-06 1984-11-22 John Vaughn Outil d'entrainement et de serrage ameliore a couple eleve
US4528874A (en) * 1983-01-17 1985-07-16 Dunn J Malcolm Screw fasteners and drivers
US4589154A (en) * 1983-05-06 1986-05-20 John Vaughn Method and apparatus for forming the head of a high torque fastener
US4590825A (en) * 1983-05-06 1986-05-27 John Vaughn High torque fastener and driving tool
US4670927A (en) * 1983-05-06 1987-06-09 John Vaughn Method and apparatus for forming the head of a high torque fastener
EP2783733A4 (fr) * 2011-11-25 2016-03-09 Garcia Ricardo Arveras Accessoire pour la fixation de pointes d'arrêt sur des épées d'escrime
NL2013638B1 (en) * 2014-10-15 2016-10-04 Univ Delft Tech Precision screw driver/screw assembly, screw driver and screw.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528874A (en) * 1983-01-17 1985-07-16 Dunn J Malcolm Screw fasteners and drivers
WO1984004481A1 (fr) * 1983-05-06 1984-11-22 John Vaughn Outil d'entrainement et de serrage ameliore a couple eleve
US4497225A (en) * 1983-05-06 1985-02-05 John Vaughn High torque fastener and driving tool
US4589154A (en) * 1983-05-06 1986-05-20 John Vaughn Method and apparatus for forming the head of a high torque fastener
US4590825A (en) * 1983-05-06 1986-05-27 John Vaughn High torque fastener and driving tool
US4670927A (en) * 1983-05-06 1987-06-09 John Vaughn Method and apparatus for forming the head of a high torque fastener
EP2783733A4 (fr) * 2011-11-25 2016-03-09 Garcia Ricardo Arveras Accessoire pour la fixation de pointes d'arrêt sur des épées d'escrime
NL2013638B1 (en) * 2014-10-15 2016-10-04 Univ Delft Tech Precision screw driver/screw assembly, screw driver and screw.

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Legal Events

Date Code Title Description
MKEX Expiry