GB9423565D0 - Screw head and screwdriver head - Google Patents

Screw head and screwdriver head

Info

Publication number
GB9423565D0
GB9423565D0 GB9423565A GB9423565A GB9423565D0 GB 9423565 D0 GB9423565 D0 GB 9423565D0 GB 9423565 A GB9423565 A GB 9423565A GB 9423565 A GB9423565 A GB 9423565A GB 9423565 D0 GB9423565 D0 GB 9423565D0
Authority
GB
United Kingdom
Prior art keywords
head
screwdriver
screw
screw head
screwdriver head
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.)
Withdrawn
Application number
GB9423565A
Other versions
GB2295432A (en
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.)
CROOK ADRIAN
Original Assignee
CROOK ADRIAN
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 CROOK ADRIAN filed Critical CROOK ADRIAN
Priority to GB9423565A priority Critical patent/GB2295432A/en
Publication of GB9423565D0 publication Critical patent/GB9423565D0/en
Publication of GB2295432A publication Critical patent/GB2295432A/en
Withdrawn legal-status Critical Current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
    • 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
GB9423565A 1994-11-22 1994-11-22 Screw head and screwdriver drive formations Withdrawn GB2295432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9423565A GB2295432A (en) 1994-11-22 1994-11-22 Screw head and screwdriver drive formations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9423565A GB2295432A (en) 1994-11-22 1994-11-22 Screw head and screwdriver drive formations

Publications (2)

Publication Number Publication Date
GB9423565D0 true GB9423565D0 (en) 1995-01-11
GB2295432A GB2295432A (en) 1996-05-29

Family

ID=10764796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9423565A Withdrawn GB2295432A (en) 1994-11-22 1994-11-22 Screw head and screwdriver drive formations

Country Status (1)

Country Link
GB (1) GB2295432A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803739B1 (en) * 2000-01-13 2002-02-15 Denis Bertin THREADED IMPLANT FOR MEDICAL USE
GB2386854A (en) * 2002-02-16 2003-10-01 Steven Broadbelt Diamond Drive Screwdriver System
GB2431972A (en) * 2005-11-03 2007-05-09 Robert Stephen Palmer Screw head drive formation
US8695189B2 (en) * 2012-01-03 2014-04-15 Iscar, Ltd. Cutting tool key for mounting and extracting a cutting insert

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL42923C (en) * 1934-07-03
GB1137722A (en) * 1965-07-01 1968-12-27 Martins Boerge Improvements in or relating to rotatable fastening devices and tools therefor
ES200205Y (en) * 1973-02-07 1976-02-01 Aktieselskabet Nordiske Kabel-Og Traadfabriker SCREW.
US4311071A (en) * 1980-01-31 1982-01-19 Marvin Bassell Screw driver and screw head system
US4429599A (en) * 1983-01-03 1984-02-07 Sante Sr James A One way screwdriver
JPS6384880A (en) * 1986-09-29 1988-04-15 足立　幸男 Sector form bolt and sector form driver

Also Published As

Publication number Publication date
GB2295432A (en) 1996-05-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)