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GB2249509B - Locking and unlocking device - Google Patents

Locking and unlocking device

Info

Publication number
GB2249509B
GB2249509B GB9019722A GB9019722A GB2249509B GB 2249509 B GB2249509 B GB 2249509B GB 9019722 A GB9019722 A GB 9019722A GB 9019722 A GB9019722 A GB 9019722A GB 2249509 B GB2249509 B GB 2249509B
Authority
GB
United Kingdom
Prior art keywords
locking
unlocking device
unlocking
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
GB9019722A
Other versions
GB9019722D0 (en
GB2249509A (en
Inventor
Jack Gordon Perrins
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
Priority to GB9019722A priority Critical patent/GB2249509B/en
Publication of GB9019722D0 publication Critical patent/GB9019722D0/en
Publication of GB2249509A publication Critical patent/GB2249509A/en
Application granted granted Critical
Publication of GB2249509B publication Critical patent/GB2249509B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/488—Spanners; Wrenches for special purposes for connections where two parts must be turned in opposite directions by one tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
GB9019722A 1990-09-10 1990-09-10 Locking and unlocking device Expired - Fee Related GB2249509B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9019722A GB2249509B (en) 1990-09-10 1990-09-10 Locking and unlocking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9019722A GB2249509B (en) 1990-09-10 1990-09-10 Locking and unlocking device

Publications (3)

Publication Number Publication Date
GB9019722D0 GB9019722D0 (en) 1990-10-24
GB2249509A GB2249509A (en) 1992-05-13
GB2249509B true GB2249509B (en) 1993-09-29

Family

ID=10681941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9019722A Expired - Fee Related GB2249509B (en) 1990-09-10 1990-09-10 Locking and unlocking device

Country Status (1)

Country Link
GB (1) GB2249509B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687343B1 (en) * 1992-02-14 1995-11-10 Facom DEVICE FOR UNLOCKING OR TIGHTENING A NUT SCREWED ON A THREADED MEMBER.
GB201001430D0 (en) 2010-01-29 2010-03-17 Downey Graham Improvement in and relating to tools
CN113859311B (en) * 2021-09-27 2023-06-02 资阳晨工机车修理有限公司 DF12 locomotive anti-delay system and method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167988A (en) * 1984-11-15 1986-06-11 Ernest Alfred Chance Water tap dismantling tool

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167988A (en) * 1984-11-15 1986-06-11 Ernest Alfred Chance Water tap dismantling tool

Also Published As

Publication number Publication date
GB9019722D0 (en) 1990-10-24
GB2249509A (en) 1992-05-13

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Legal Events

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

Effective date: 19960910

728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020910