GB2240877B - Hand tool with lock-on/lock-off mechanism - Google Patents

Hand tool with lock-on/lock-off mechanism

Info

Publication number
GB2240877B
GB2240877B GB8924133A GB8924133A GB2240877B GB 2240877 B GB2240877 B GB 2240877B GB 8924133 A GB8924133 A GB 8924133A GB 8924133 A GB8924133 A GB 8924133A GB 2240877 B GB2240877 B GB 2240877B
Authority
GB
United Kingdom
Prior art keywords
lock
hand tool
tool
hand
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 - Lifetime
Application number
GB8924133A
Other versions
GB8924133D0 (en
GB2240877A (en
Inventor
Daniel Bone
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.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
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 Black and Decker Inc filed Critical Black and Decker Inc
Priority to GB8924133A priority Critical patent/GB2240877B/en
Publication of GB8924133D0 publication Critical patent/GB8924133D0/en
Publication of GB2240877A publication Critical patent/GB2240877A/en
Application granted granted Critical
Publication of GB2240877B publication Critical patent/GB2240877B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/08—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
GB8924133A 1989-10-26 1989-10-26 Hand tool with lock-on/lock-off mechanism Expired - Lifetime GB2240877B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8924133A GB2240877B (en) 1989-10-26 1989-10-26 Hand tool with lock-on/lock-off mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8924133A GB2240877B (en) 1989-10-26 1989-10-26 Hand tool with lock-on/lock-off mechanism

Publications (3)

Publication Number Publication Date
GB8924133D0 GB8924133D0 (en) 1989-12-13
GB2240877A GB2240877A (en) 1991-08-14
GB2240877B true GB2240877B (en) 1994-06-01

Family

ID=10665209

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8924133A Expired - Lifetime GB2240877B (en) 1989-10-26 1989-10-26 Hand tool with lock-on/lock-off mechanism

Country Status (1)

Country Link
GB (1) GB2240877B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4433083A1 (en) * 1994-09-16 1996-03-21 Kopp Heinrich Ag Device for mechanically securing a switch position of an electrical pressure switch
GB9718305D0 (en) * 1997-08-30 1997-11-05 Black & Decker Inc Power tool
GB9804472D0 (en) * 1998-03-04 1998-04-29 Black & Decker Inc A switch lock-off mechanism
US8198560B2 (en) * 2009-01-09 2012-06-12 Makita Corporation Switch devices for power tools

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873796A (en) * 1973-07-06 1975-03-25 Black & Decker Mfg Co Trigger mechanism for hand-operated power device including independently operable locking devices providing automatic lock off and manual lock-on operation
US4180716A (en) * 1977-11-15 1979-12-25 Fujisoku Electric Co., Ltd. Switch having lock-off and lock-on

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873796A (en) * 1973-07-06 1975-03-25 Black & Decker Mfg Co Trigger mechanism for hand-operated power device including independently operable locking devices providing automatic lock off and manual lock-on operation
US4180716A (en) * 1977-11-15 1979-12-25 Fujisoku Electric Co., Ltd. Switch having lock-off and lock-on

Also Published As

Publication number Publication date
GB8924133D0 (en) 1989-12-13
GB2240877A (en) 1991-08-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20091025