GB1498684A - Screw drivers - Google Patents

Screw drivers

Info

Publication number
GB1498684A
GB1498684A GB19480/75A GB1948075A GB1498684A GB 1498684 A GB1498684 A GB 1498684A GB 19480/75 A GB19480/75 A GB 19480/75A GB 1948075 A GB1948075 A GB 1948075A GB 1498684 A GB1498684 A GB 1498684A
Authority
GB
United Kingdom
Prior art keywords
section
screwdriver
screw drivers
screw
arnn
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
GB19480/75A
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.)
ARNN E
Original Assignee
ARNN E
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 ARNN E filed Critical ARNN E
Publication of GB1498684A publication Critical patent/GB1498684A/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
    • B25B15/005—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
    • 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)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Connection Of Plates (AREA)

Abstract

1498684 Screwdrivers E T ARNN 8 May 1975 [28 May 1974] 19480/75 Heading B3N A screwdriver, which need not have a square section shank 14, has a blade 16 of I- shaped cross-section, Fig. 4, defined by cut-out portions 24 and ribs 26 on faces 22, and terminating in a divergent foot portion 28 of substantially isosceles trapezoidal cross-section as seen in Fig. 3. A screw can be retained on the screwdriver by means of portion 28.
GB19480/75A 1974-05-28 1975-05-08 Screw drivers Expired GB1498684A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US473840A US3897812A (en) 1974-05-28 1974-05-28 Screw driver

Publications (1)

Publication Number Publication Date
GB1498684A true GB1498684A (en) 1978-01-25

Family

ID=23881219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19480/75A Expired GB1498684A (en) 1974-05-28 1975-05-08 Screw drivers

Country Status (8)

Country Link
US (1) US3897812A (en)
JP (1) JPS5743387B2 (en)
BE (1) BE829614A (en)
CA (1) CA1025253A (en)
DE (1) DE2522729C2 (en)
FR (1) FR2272795B3 (en)
GB (1) GB1498684A (en)
SE (1) SE423341B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218659A (en) * 1988-05-19 1989-11-22 Massimo Ciumaga Screwdriver

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54119146A (en) * 1978-03-08 1979-09-14 Showa Rabaa Kagaku Kougiyou Kk Heating element
US4339971A (en) * 1978-12-13 1982-07-20 Zatorre Alfredo E Fastener and driving tool
US4625598A (en) * 1985-05-10 1986-12-02 Frank Wolfram Positive engagement screw driver tool
US5461944A (en) * 1986-12-08 1995-10-31 Ciumaga; Massimo Method of making a screwdriver
US4873900A (en) * 1986-12-08 1989-10-17 Massimo Ciumaga Screw driving device
US4977800A (en) * 1988-12-30 1990-12-18 Colvin David S Screwdriver blade construction
JPH0741118Y2 (en) * 1989-10-04 1995-09-20 眞 西村 Fever sheet
JP2709260B2 (en) * 1993-10-15 1998-02-04 株式会社ダイリン商事 Far-infrared radiation method
US6223634B1 (en) 1997-10-03 2001-05-01 Phillips Screw Company Recessed head fastener and driver systems
US6216569B1 (en) * 1999-08-17 2001-04-17 Bobby Hu Cabinet tip of a slotted screwdriver with improved engagement with a fastener slot
US6526851B1 (en) * 2002-06-14 2003-03-04 Richard D. Fuerle Undercut screw and matching bit
US6955203B2 (en) * 2003-04-02 2005-10-18 Timothy Stancill Bead breaker
DE102006011836B3 (en) * 2006-03-15 2007-10-18 Autoliv Development Ab fastener
US20090165604A1 (en) * 2007-12-31 2009-07-02 Macor Richard J Engaging portion of a screwdriver
US20140305267A1 (en) * 2013-04-10 2014-10-16 Emile Baroody No-Slip Screwdriver
USD795036S1 (en) * 2015-09-03 2017-08-22 Proprietary Technologies, Inc. Slotted screwdriver blade tip

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US697836A (en) * 1901-07-29 1902-04-15 John Gilman Gorham Screw-driver.
DE362860C (en) * 1919-12-18 1922-11-02 Orazio Vianello screwdriver
US1476653A (en) * 1922-05-17 1923-12-04 Joseph R Stanton Screw driver
US1741349A (en) * 1928-12-19 1929-12-31 Bridgeport Hardware Mfg Corp Screw driver
US1782981A (en) * 1929-11-29 1930-11-25 Bridgeport Hardware Mfg Corp Screw driver
US3120251A (en) * 1959-11-12 1964-02-04 Voi Shan Ind Inc Screwdriver
US3026920A (en) * 1960-03-04 1962-03-27 Voi Shan Ind Inc Screwdriver
US3405748A (en) * 1966-06-29 1968-10-15 Sorteberg Johannes Torsion tube screw driver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218659A (en) * 1988-05-19 1989-11-22 Massimo Ciumaga Screwdriver
GB2218659B (en) * 1988-05-19 1992-07-15 Massimo Ciumaga Screw driving device

Also Published As

Publication number Publication date
SE423341B (en) 1982-05-03
JPS513098A (en) 1976-01-12
DE2522729C2 (en) 1984-03-29
AU8151575A (en) 1976-12-02
JPS5743387B2 (en) 1982-09-14
FR2272795A1 (en) 1975-12-26
SE7505508L (en) 1975-12-01
CA1025253A (en) 1978-01-31
DE2522729A1 (en) 1975-12-11
BE829614A (en) 1975-09-15
FR2272795B3 (en) 1978-12-29
US3897812A (en) 1975-08-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee