GB326879A - Improvements in or relating to road-traffic signalling devices for use on motor vehicles - Google Patents

Improvements in or relating to road-traffic signalling devices for use on motor vehicles

Info

Publication number
GB326879A
GB326879A GB3799528A GB3799528A GB326879A GB 326879 A GB326879 A GB 326879A GB 3799528 A GB3799528 A GB 3799528A GB 3799528 A GB3799528 A GB 3799528A GB 326879 A GB326879 A GB 326879A
Authority
GB
United Kingdom
Prior art keywords
switch
signal
steering
passage
mercury
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
GB3799528A
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.)
A L SMITH IRON WORKS
Original Assignee
A L SMITH IRON WORKS
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 A L SMITH IRON WORKS filed Critical A L SMITH IRON WORKS
Priority to GB3799528A priority Critical patent/GB326879A/en
Publication of GB326879A publication Critical patent/GB326879A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1446—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means controlled by mechanically actuated switches
    • B60Q1/1453—Hand actuated switches
    • B60Q1/1461—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights
    • B60Q1/1484—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights mounted on the steering wheel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

326,879. Marks, Sir G. C., (Smith Iron Works, A. L.). Dec. 22, 1928. Road-traffic signals on vehicles.-Manoeuvresignals on motor vehicles are electrically actuated by gravity switches on the steering and brake mechanism and also by a hand switch. The signals may be shown at the rear window of the vehicle by means of a compartmented casing 9, 10 affixed to the window by suction cups 7 and provided with direction and stop signs 16, 17, 15 adapted to be illuminated by lamps 22, 23. A switch, Figs. 2, 3 and 4, adjustably secured to an arm of the steering-wheel, contains airexhausted passages 35, 36, 37 and a mercuryfilled pocket 38 arranged so that when the steering-wheel is turned to the left through an appreciable angle the mercury flows into the passage 36 and completes the " left turn " signal circuit by bridging two wires 42, 43 extending the length of the passage 36. If desired, wires may be provided in the passage 37 for giving a " right turn " signal. A concave baffle surface 40 is provided to return mercury accidentally bumped from the pocket 38. To give a preliminary warning signal by hand, a button 50 is depressed so as to bring one or all of a series of spring fingers 55 into contact with a ring 53. Fig. 14 shows a gravity switch 60 actuated by the brake rod 5 to illuminate the signal 15. The switch comprises a metal tube 60 containing mercury 65 which, when the tube is rocked about a pivot 67 by an abutment 70 on the brake rod engaging prongs 69, runs to the end 63 and completes a circuit with the screw 64.
GB3799528A 1928-12-22 1928-12-22 Improvements in or relating to road-traffic signalling devices for use on motor vehicles Expired GB326879A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3799528A GB326879A (en) 1928-12-22 1928-12-22 Improvements in or relating to road-traffic signalling devices for use on motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3799528A GB326879A (en) 1928-12-22 1928-12-22 Improvements in or relating to road-traffic signalling devices for use on motor vehicles

Publications (1)

Publication Number Publication Date
GB326879A true GB326879A (en) 1930-03-24

Family

ID=10400471

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3799528A Expired GB326879A (en) 1928-12-22 1928-12-22 Improvements in or relating to road-traffic signalling devices for use on motor vehicles

Country Status (1)

Country Link
GB (1) GB326879A (en)

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