GB553372A - Improvements in light signals for railroads - Google Patents

Improvements in light signals for railroads

Info

Publication number
GB553372A
GB553372A GB10413/41A GB1041341A GB553372A GB 553372 A GB553372 A GB 553372A GB 10413/41 A GB10413/41 A GB 10413/41A GB 1041341 A GB1041341 A GB 1041341A GB 553372 A GB553372 A GB 553372A
Authority
GB
United Kingdom
Prior art keywords
light signals
class
signal
pivoted
railroads
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
GB10413/41A
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.)
SPX Corp
Original Assignee
General Railway Signal Co
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 General Railway Signal Co filed Critical General Railway Signal Co
Publication of GB553372A publication Critical patent/GB553372A/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
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1818—Daylight signals using mobile coloured screen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • B61L23/08—Control, warning, or like safety means along the route or between vehicles or vehicle trains for controlling traffic in one direction only
    • B61L23/14—Control, warning, or like safety means along the route or between vehicles or vehicle trains for controlling traffic in one direction only automatically operated
    • B61L23/16—Track circuits specially adapted for section blocking
    • B61L23/163—Track circuits specially adapted for section blocking using direct current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

553,372. Hook fastenings. GENERAL RAILWAY SIGNAL CO. Aug. 15, 1941, No. 10413. Convention'date, Oct. 14, 1940. [Class 44] [Also in Groups XXX, XXXVI and XXXVII] In railway light signals of the kind described in Specifications 275,942, [Class 35], and 379,776, [Group XXX], an outer casing OC, Fig. 2, has a lens OL and hood 8 and is adjustably mounted, by means including screw 15 and bracket 16 as described in Specification 275,942 if for a high signal, and as in U.S.A. Specification 2,239,316 if for a low signal. It also has a pivoted rear cover C shown secured by a toggle fastening comprising a spring hook 4 pivoted on a lever 1 with an aperture receiving staple 2.
GB10413/41A 1940-10-14 1941-08-15 Improvements in light signals for railroads Expired GB553372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US553372XA 1940-10-14 1940-10-14

Publications (1)

Publication Number Publication Date
GB553372A true GB553372A (en) 1943-05-19

Family

ID=21997174

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10413/41A Expired GB553372A (en) 1940-10-14 1941-08-15 Improvements in light signals for railroads

Country Status (1)

Country Link
GB (1) GB553372A (en)

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