GB2431894B - Compound screwdriver head - Google Patents

Compound screwdriver head

Info

Publication number
GB2431894B
GB2431894B GB0610448A GB0610448A GB2431894B GB 2431894 B GB2431894 B GB 2431894B GB 0610448 A GB0610448 A GB 0610448A GB 0610448 A GB0610448 A GB 0610448A GB 2431894 B GB2431894 B GB 2431894B
Authority
GB
United Kingdom
Prior art keywords
screwdriver head
compound
compound screwdriver
head
screwdriver
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 - Fee Related
Application number
GB0610448A
Other versions
GB0610448D0 (en
GB2431894A (en
Inventor
Hang-Hui Chen
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
Publication of GB0610448D0 publication Critical patent/GB0610448D0/en
Publication of GB2431894A publication Critical patent/GB2431894A/en
Application granted granted Critical
Publication of GB2431894B publication Critical patent/GB2431894B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
GB0610448A 2005-11-04 2006-05-26 Compound screwdriver head Expired - Fee Related GB2431894B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094219199U TWM289681U (en) 2005-11-04 2005-11-04 Structure for compounded screwdriver bits

Publications (3)

Publication Number Publication Date
GB0610448D0 GB0610448D0 (en) 2006-07-05
GB2431894A GB2431894A (en) 2007-05-09
GB2431894B true GB2431894B (en) 2010-01-27

Family

ID=36687767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0610448A Expired - Fee Related GB2431894B (en) 2005-11-04 2006-05-26 Compound screwdriver head

Country Status (2)

Country Link
GB (1) GB2431894B (en)
TW (1) TWM289681U (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI784842B (en) * 2021-12-15 2022-11-21 洪昭敏 screwdriver head structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380942A (en) * 1981-06-25 1983-04-26 Fenton John W Torque-transmitting tool assembly
WO2003002880A1 (en) * 2001-06-29 2003-01-09 Katsuyuki Totsu Combination of screw with screwdriver bit and header punch for manufacturing screw
WO2004065067A1 (en) * 2003-01-24 2004-08-05 Katsuyuki Totsu Screw driver bit and combination thereof with screw

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380942A (en) * 1981-06-25 1983-04-26 Fenton John W Torque-transmitting tool assembly
WO2003002880A1 (en) * 2001-06-29 2003-01-09 Katsuyuki Totsu Combination of screw with screwdriver bit and header punch for manufacturing screw
WO2004065067A1 (en) * 2003-01-24 2004-08-05 Katsuyuki Totsu Screw driver bit and combination thereof with screw

Also Published As

Publication number Publication date
GB0610448D0 (en) 2006-07-05
TWM289681U (en) 2006-04-21
GB2431894A (en) 2007-05-09

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Legal Events

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

Effective date: 20100526