GB2273178B - Safety switch for mine machinery - Google Patents

Safety switch for mine machinery

Info

Publication number
GB2273178B
GB2273178B GB9224781A GB9224781A GB2273178B GB 2273178 B GB2273178 B GB 2273178B GB 9224781 A GB9224781 A GB 9224781A GB 9224781 A GB9224781 A GB 9224781A GB 2273178 B GB2273178 B GB 2273178B
Authority
GB
United Kingdom
Prior art keywords
safety switch
mine machinery
mine
machinery
safety
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
GB9224781A
Other versions
GB2273178A (en
GB9224781D0 (en
Inventor
Roger Harold Creasey
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.)
SENIOR CONTROL ENG Ltd
CONFLOW Ltd
Original Assignee
SENIOR CONTROL ENG Ltd
CONFLOW Ltd
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 SENIOR CONTROL ENG Ltd, CONFLOW Ltd filed Critical SENIOR CONTROL ENG Ltd
Priority to GB9224781A priority Critical patent/GB2273178B/en
Publication of GB9224781D0 publication Critical patent/GB9224781D0/en
Publication of GB2273178A publication Critical patent/GB2273178A/en
Application granted granted Critical
Publication of GB2273178B publication Critical patent/GB2273178B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
GB9224781A 1992-11-26 1992-11-26 Safety switch for mine machinery Expired - Fee Related GB2273178B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9224781A GB2273178B (en) 1992-11-26 1992-11-26 Safety switch for mine machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9224781A GB2273178B (en) 1992-11-26 1992-11-26 Safety switch for mine machinery

Publications (3)

Publication Number Publication Date
GB9224781D0 GB9224781D0 (en) 1993-01-13
GB2273178A GB2273178A (en) 1994-06-08
GB2273178B true GB2273178B (en) 1995-12-20

Family

ID=10725715

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9224781A Expired - Fee Related GB2273178B (en) 1992-11-26 1992-11-26 Safety switch for mine machinery

Country Status (1)

Country Link
GB (1) GB2273178B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365125A (en) * 1980-05-02 1982-12-21 Beta, B.V. Flow actuating switching device
US4858647A (en) * 1987-04-13 1989-08-22 Chem Tech Equipment Corp. Attitude-insensitive, by-pass sensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365125A (en) * 1980-05-02 1982-12-21 Beta, B.V. Flow actuating switching device
US4858647A (en) * 1987-04-13 1989-08-22 Chem Tech Equipment Corp. Attitude-insensitive, by-pass sensor

Also Published As

Publication number Publication date
GB2273178A (en) 1994-06-08
GB9224781D0 (en) 1993-01-13

Similar Documents

Publication Publication Date Title
GB2295176B (en) Highwall Mining System
HU9300633D0 (en) Safety key
EP0609672A3 (en) Safety switch.
EP0653771A3 (en) Safety switch.
GB2295175B (en) Highwall mining system
GB2300075B (en) Safety switch assemblies
AR240527A1 (en) Safety plug for switching or disconecting rails
EP0518162A3 (en) Safety switch arrangement for a vehicle
ZA912825B (en) Safety means for powered machinery
GB9323945D0 (en) Mining machine
GB2266910B (en) Safety parapet
GB9211345D0 (en) Safety barriers
GB2264218B (en) Safety non-chafing headcollar
HRP940032B1 (en) Line safety switch
GB2273178B (en) Safety switch for mine machinery
GB9309755D0 (en) Safety devices
GB9205657D0 (en) Safety cut
GB9211603D0 (en) Safety switch assemblies
GB9223751D0 (en) Safety switch assemblies
GB9413894D0 (en) Sensor controlled safety switch
KR0111404Y1 (en) Safety shoes
GB9218128D0 (en) Safety component
GB9326106D0 (en) Safety matchbox
GB9219985D0 (en) Safety devices
GB9008052D0 (en) Safety switch

Legal Events

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

Effective date: 19981126