GB1305848A - - Google Patents

Info

Publication number
GB1305848A
GB1305848A GB3274871A GB3274871A GB1305848A GB 1305848 A GB1305848 A GB 1305848A GB 3274871 A GB3274871 A GB 3274871A GB 3274871 A GB3274871 A GB 3274871A GB 1305848 A GB1305848 A GB 1305848A
Authority
GB
United Kingdom
Prior art keywords
bellows
tube
flexible
switch
pressure
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
Application number
GB3274871A
Other languages
English (en)
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 filed Critical
Publication of GB1305848A publication Critical patent/GB1305848A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator

Landscapes

  • Burglar Alarm Systems (AREA)
GB3274871A 1970-07-14 1971-07-13 Expired GB1305848A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6971770 1970-07-14

Publications (1)

Publication Number Publication Date
GB1305848A true GB1305848A (enrdf_load_stackoverflow) 1973-02-07

Family

ID=13410850

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3274871A Expired GB1305848A (enrdf_load_stackoverflow) 1970-07-14 1971-07-13

Country Status (1)

Country Link
GB (1) GB1305848A (enrdf_load_stackoverflow)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees