GB1188163A - An Elliptically-Headed Screw - Google Patents

An Elliptically-Headed Screw

Info

Publication number
GB1188163A
GB1188163A GB1806067A GB1806067A GB1188163A GB 1188163 A GB1188163 A GB 1188163A GB 1806067 A GB1806067 A GB 1806067A GB 1806067 A GB1806067 A GB 1806067A GB 1188163 A GB1188163 A GB 1188163A
Authority
GB
United Kingdom
Prior art keywords
elliptically
screw
headed screw
head
elliptical
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
GB1806067A
Inventor
Jujiro Okada
Original Assignee
Jujiro Okada
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 Jujiro Okada filed Critical Jujiro Okada
Priority to GB1806067A priority Critical patent/GB1188163A/en
Publication of GB1188163A publication Critical patent/GB1188163A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/02Spanners; Wrenches with rigid jaws
    • B25B13/06Spanners; Wrenches with rigid jaws of socket type
    • B25B13/065Spanners; Wrenches with rigid jaws of socket type characterised by the cross-section of the socket
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/48Spanners; Wrenches for special purposes
    • B25B13/485Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
    • 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

Abstract

1,188,163. Screwdrivers. J. OKADA. 19 April, 1967, No. 18060/67. Heading B3N. [Also in Division F2] A screw B is provided with a flat head A with a circumference 1 which is elliptical in shape. The screw may be screwed in or out of an object by use of a driver C with a head 2 having a recess corresponding in shape to the elliptical head of the screw.
GB1806067A 1967-04-19 1967-04-19 An Elliptically-Headed Screw Expired GB1188163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1806067A GB1188163A (en) 1967-04-19 1967-04-19 An Elliptically-Headed Screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1806067A GB1188163A (en) 1967-04-19 1967-04-19 An Elliptically-Headed Screw

Publications (1)

Publication Number Publication Date
GB1188163A true GB1188163A (en) 1970-04-15

Family

ID=10105956

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1806067A Expired GB1188163A (en) 1967-04-19 1967-04-19 An Elliptically-Headed Screw

Country Status (1)

Country Link
GB (1) GB1188163A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174590A5 (en) * 1972-02-28 1973-10-12 Okada Jujiro
US4005623A (en) * 1974-02-01 1977-02-01 Assembly Line Products, Inc. Fastener apparatus
GB2158910A (en) * 1984-04-10 1985-11-20 Clerkenwell Screws Limited Fixing elements and driving tools
JPH0297708A (en) * 1988-10-03 1990-04-10 Nippon Chiyuutetsukan Kk Bolt and nut and exclusive tool for the same
FR2682727A1 (en) * 1991-10-16 1993-04-23 Textron Inc MANUFACTURING OBJECT, FIXING DEVICE AND TOOL FOR A DRIVE SYSTEM.
US5401133A (en) * 1993-09-16 1995-03-28 Wildeck, Inc. Security washer for security paneling system
DE29506926U1 (en) * 1995-04-25 1995-09-07 Tandi Theo Eye bolt flash
US6164887A (en) * 1997-05-02 2000-12-26 Sfs Industrie Holding Ag Screw for joining thin workpieces
NL1021737C2 (en) * 2002-10-24 2004-04-27 Alcoa Nederland Bv Locking device for e.g. access hatch in lamppost, comprises screw bolt with non round head which can be turned using cap

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174590A5 (en) * 1972-02-28 1973-10-12 Okada Jujiro
US4005623A (en) * 1974-02-01 1977-02-01 Assembly Line Products, Inc. Fastener apparatus
GB2158910A (en) * 1984-04-10 1985-11-20 Clerkenwell Screws Limited Fixing elements and driving tools
JPH0297708A (en) * 1988-10-03 1990-04-10 Nippon Chiyuutetsukan Kk Bolt and nut and exclusive tool for the same
JPH0660651B2 (en) 1988-10-03 1994-08-10 タキゲン製造株式会社 Iron lid mounting device for iron frame
ES2051212A2 (en) * 1991-10-16 1994-06-01 Textron Inc Elliptical lobed drive system
US5207132A (en) * 1991-10-16 1993-05-04 Textron Inc. Elliptical lobed drive system
BE1005356A3 (en) * 1991-10-16 1993-07-06 Textron Inc Control system lobe elliptique.
DE4206222A1 (en) * 1991-10-16 1993-04-29 Textron Inc MOLDED BODY OF A DRIVE SYSTEM OR MOLDING TOOL FOR THE PRODUCTION OF SUCH A MOLDED BODY
FR2682727A1 (en) * 1991-10-16 1993-04-23 Textron Inc MANUFACTURING OBJECT, FIXING DEVICE AND TOOL FOR A DRIVE SYSTEM.
TR26376A (en) * 1991-10-16 1995-03-15 Textron Inc ELLISTIC ALLIED ROTATING SYSTEM FOR A SYSTEM THAT TURNS A FIXING ELEMENT
DE4244989C2 (en) * 1991-10-16 2001-06-28 Textron Inc Fastener driving tool assembly
DE4206222C2 (en) * 1991-10-16 1999-08-26 Textron Inc Shaped body of a drive system or mold for producing such shaped body
US5401133A (en) * 1993-09-16 1995-03-28 Wildeck, Inc. Security washer for security paneling system
DE29506926U1 (en) * 1995-04-25 1995-09-07 Tandi Theo Eye bolt flash
US6164887A (en) * 1997-05-02 2000-12-26 Sfs Industrie Holding Ag Screw for joining thin workpieces
NL1021737C2 (en) * 2002-10-24 2004-04-27 Alcoa Nederland Bv Locking device for e.g. access hatch in lamppost, comprises screw bolt with non round head which can be turned using cap

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee