GB200911A - Improvements in telegraphic contact making relays - Google Patents

Improvements in telegraphic contact making relays

Info

Publication number
GB200911A
GB200911A GB1115422A GB1115422A GB200911A GB 200911 A GB200911 A GB 200911A GB 1115422 A GB1115422 A GB 1115422A GB 1115422 A GB1115422 A GB 1115422A GB 200911 A GB200911 A GB 200911A
Authority
GB
United Kingdom
Prior art keywords
contact
rod
clutch
normally
friction
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
GB1115422A
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 GB1115422A priority Critical patent/GB200911A/en
Publication of GB200911A publication Critical patent/GB200911A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
    • H01H50/42—Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

200,911. McLachlan, N. W. April 20, 1922. Relays.-A contact-making arrangement whereby a small movement due to an automatic telegraph transmitter, such as a Wheatstone transmitter, produces a large movement of a contact arm, comprises a continuously-driven fly-wheel A fast to a clutch-member C adapted to be engaged by a second clutch-member D carrying a contact arm N when the member D receives a small longitudinal movement. The member D, rotatably mounted but held against longitudinal movement on a rod F, is normally kept out of engagement by a spring G. The other end of the rod F is secured to a band I with blocks K in contact with a driven drum J. Normally, the friction is insufficient to move the rod to the right, but the friction is increased when the signalling current impulse passes through a coil, not shown, carried by the drum J, the operation being as described in Specification 176,932. The clutch-members may carry coils Q, R, a direct current being supplied to one coil, and the signalling current passing through the other, whereby the frictional engagement of the clutchmembers is increased. Contact N is normally held away from the co-operating fixed contact 0 by a spring P. A modification is described employing an expanding clutch operated by the rod F.
GB1115422A 1922-04-20 1922-04-20 Improvements in telegraphic contact making relays Expired GB200911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1115422A GB200911A (en) 1922-04-20 1922-04-20 Improvements in telegraphic contact making relays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1115422A GB200911A (en) 1922-04-20 1922-04-20 Improvements in telegraphic contact making relays

Publications (1)

Publication Number Publication Date
GB200911A true GB200911A (en) 1923-07-20

Family

ID=9981002

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1115422A Expired GB200911A (en) 1922-04-20 1922-04-20 Improvements in telegraphic contact making relays

Country Status (1)

Country Link
GB (1) GB200911A (en)

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