CA1006722A - Screwdrivers and screws for use therewith - Google Patents

Screwdrivers and screws for use therewith

Info

Publication number
CA1006722A
CA1006722A CA194,948A CA194948A CA1006722A CA 1006722 A CA1006722 A CA 1006722A CA 194948 A CA194948 A CA 194948A CA 1006722 A CA1006722 A CA 1006722A
Authority
CA
Canada
Prior art keywords
screwdrivers
screws
use therewith
therewith
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
CA194,948A
Other versions
CA194948S (en
Inventor
Marian Iskra
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
Application granted granted Critical
Publication of CA1006722A publication Critical patent/CA1006722A/en
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
CA194,948A 1973-03-15 1974-03-14 Screwdrivers and screws for use therewith Expired CA1006722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1253673A GB1455003A (en) 1973-03-15 1973-03-15 Screwdrivers and screws for use therewith

Publications (1)

Publication Number Publication Date
CA1006722A true CA1006722A (en) 1977-03-15

Family

ID=10006432

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,948A Expired CA1006722A (en) 1973-03-15 1974-03-14 Screwdrivers and screws for use therewith

Country Status (7)

Country Link
US (1) US3891017A (en)
CA (1) CA1006722A (en)
DE (1) DE2410662A1 (en)
ES (1) ES424305A1 (en)
FR (1) FR2221238B1 (en)
GB (1) GB1455003A (en)
IT (1) IT1010699B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2534729A1 (en) * 1974-08-17 1976-02-26 Marian Iskra SCREWDRIVER BLADE
US4073210A (en) * 1976-09-10 1978-02-14 Katsuyuki Totsu Screw
US4314489A (en) * 1979-11-15 1982-02-09 Aldo Arcangeli Screwdrivers
US4528874A (en) * 1983-01-17 1985-07-16 Dunn J Malcolm Screw fasteners and drivers
DE3337535A1 (en) * 1983-10-14 1985-05-02 Alfons 5758 Fröndenberg Knoche Screw having an improved internal drive, a stamping die for pressing the internal drive of such a screw, and a screwdriver for this screw
GB2225547A (en) * 1988-11-30 1990-06-06 John Herbert Thomsett Screwdriver and screw
US5210895A (en) * 1992-03-02 1993-05-18 Hull Harold L Combined screwdriver and file
US5347893A (en) * 1993-02-26 1994-09-20 Snap-On Incorporated Arcuate tip driver
GB2285940A (en) * 1994-01-27 1995-08-02 Malcolm Turner Fastening system
US6128983A (en) * 1999-01-06 2000-10-10 Arnn; Edward T. Drive tool for fasteners
WO2001066312A1 (en) * 2000-03-06 2001-09-13 Felo-Werkzeugfabrik Holland-Letz Gmbh Screwdriver insets
US20030000351A1 (en) * 2001-06-28 2003-01-02 Ortho Development Corporation Interference fit screw driver
US6886431B1 (en) * 2002-09-16 2005-05-03 Anthony Petrsorich Combination screw driver blade tip and cooperating interlocking screw slot
US20040177729A1 (en) * 2003-03-10 2004-09-16 Jory Bell Screw and screw driver
US7028592B2 (en) * 2004-02-17 2006-04-18 Hills Jeffrey M Tool element and screw for mating engagement therewith
US20090145270A1 (en) * 2007-12-05 2009-06-11 Heesch Gary V Torque reducing and stabilizing screwdrivers and slotted threaded fasteners and related methods
GB2476917B (en) 2008-11-07 2013-10-23 Milwaukee Electric Tool Corp Tool bit with curved shank
USD623036S1 (en) 2008-11-07 2010-09-07 Milwaukee Electric Tool Corporation Insert bit
AU2010210491B2 (en) * 2009-02-05 2013-10-24 Milwaukee Electric Tool Corporation Screwdriver
CA2702372C (en) * 2009-04-28 2017-04-18 Milwaukee Electric Tool Corporation Multi-purpose tool
USD711719S1 (en) 2009-11-06 2014-08-26 Milwaukee Electric Tool Corporation Tool bit
USD754513S1 (en) 2010-02-05 2016-04-26 Milwaukee Electric Tool Corporation Screwdriver head
US20130327188A1 (en) * 2012-06-11 2013-12-12 Roger F. Wilson Slip-resistant screwdriver for slotted screws and method for driving slotted screws
US10022845B2 (en) 2014-01-16 2018-07-17 Milwaukee Electric Tool Corporation Tool bit
USD803023S1 (en) * 2016-04-07 2017-11-21 Wayne Anderson Tool tip
WO2019109098A1 (en) 2017-12-01 2019-06-06 Milwaukee Electric Tool Corporation Wear resistant tool bit
USD921468S1 (en) 2018-08-10 2021-06-08 Milwaukee Electric Tool Corporation Driver bit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190001476A (en) * 1900-01-23 1900-03-17 Josiah Pearce Improvements in Finishing Tools for Facing Piston Rings.
US1797390A (en) * 1929-02-04 1931-03-24 Frederick H Wood Screw driver designed to be keyed on a screw
NL276619A (en) * 1961-03-31
US3216292A (en) * 1964-03-20 1965-11-09 William D Flegal Parallel edge broken pipe or bolt extractor

Also Published As

Publication number Publication date
IT1010699B (en) 1977-01-20
FR2221238A1 (en) 1974-10-11
FR2221238B1 (en) 1978-08-11
US3891017A (en) 1975-06-24
GB1455003A (en) 1976-11-10
DE2410662A1 (en) 1974-09-26
ES424305A1 (en) 1976-06-01

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