GB305447A - Improvements in boxes or containers of mechanism for electrically operating tramway or railway points, switches and the like - Google Patents

Improvements in boxes or containers of mechanism for electrically operating tramway or railway points, switches and the like

Info

Publication number
GB305447A
GB305447A GB2924328A GB2924328A GB305447A GB 305447 A GB305447 A GB 305447A GB 2924328 A GB2924328 A GB 2924328A GB 2924328 A GB2924328 A GB 2924328A GB 305447 A GB305447 A GB 305447A
Authority
GB
United Kingdom
Prior art keywords
boxes
containers
switches
electrically operating
railway points
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
GB2924328A
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 GB2924328A priority Critical patent/GB305447A/en
Publication of GB305447A publication Critical patent/GB305447A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
    • B61L5/067—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means using electromagnetic driving means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

305,447. Quilliam, S. T. Oct. 11, 1928. Operating-mechanism applicable generally.- Point-operating boxes with solenoid coils, as in Specification 6982/13, have the inner cover c curved to follow the outline of the coils d at a substantially uniform distance s. The depth of the box is thereby reduced and the magnetic field increased. The inner wall o of the bearing for the shaft e has a groove or one or more cavities r for grease or lubricant which may be wick-fed to the shaft, Mercury seals are provided upon and below the inner cover.
GB2924328A 1928-10-11 1928-10-11 Improvements in boxes or containers of mechanism for electrically operating tramway or railway points, switches and the like Expired GB305447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2924328A GB305447A (en) 1928-10-11 1928-10-11 Improvements in boxes or containers of mechanism for electrically operating tramway or railway points, switches and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2924328A GB305447A (en) 1928-10-11 1928-10-11 Improvements in boxes or containers of mechanism for electrically operating tramway or railway points, switches and the like

Publications (1)

Publication Number Publication Date
GB305447A true GB305447A (en) 1929-02-07

Family

ID=10288406

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2924328A Expired GB305447A (en) 1928-10-11 1928-10-11 Improvements in boxes or containers of mechanism for electrically operating tramway or railway points, switches and the like

Country Status (1)

Country Link
GB (1) GB305447A (en)

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