GB644878A - Improvements in or relating to advertising or display apparatus - Google Patents

Improvements in or relating to advertising or display apparatus

Info

Publication number
GB644878A
GB644878A GB2254347A GB2254347A GB644878A GB 644878 A GB644878 A GB 644878A GB 2254347 A GB2254347 A GB 2254347A GB 2254347 A GB2254347 A GB 2254347A GB 644878 A GB644878 A GB 644878A
Authority
GB
United Kingdom
Prior art keywords
arm
drum
disc
pendulum
pawl
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
GB2254347A
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.)
HERBERT DOUGLAS BROWN
Original Assignee
HERBERT DOUGLAS BROWN
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 HERBERT DOUGLAS BROWN filed Critical HERBERT DOUGLAS BROWN
Priority to GB2254347A priority Critical patent/GB644878A/en
Publication of GB644878A publication Critical patent/GB644878A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00Mobile visual advertising
    • G09F21/04Mobile visual advertising by land vehicles
    • G09F21/046Mobile visual advertising by land vehicles using the shaking brought about by the locomotion of the vehicle

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)

Abstract

644,878. Changing signs. BROWN, H. D. Aug. 13, 1947, No. 22543. [Class 3(i)] An advertising drum A for mounting on vehicles or the like is rotated intermittently by a pendulum B which is suspended from a universal pivot C so as to be affected by all vibrations of the vehicle to move an arm D which extends from the pivot up and down whichever way the pendulum swings, the arm D drives a ratchet wheel E through a pawl D<SP>1</SP> to rotate the drum. The pendulum B, Fig. 1, 5, is suspended so that it can swing about two axes C<SP>1</SP>, C<SP>2</SP> at right angles to each other. The wheel E is prevented from back motion by a pawl F and is mounted on a shaft G which also carries a disc H and an arm L. The disc H pivotally mounts a weighted arm K so arranged that when the weight K passes top dead centre as shown in Fig. 8, it is flung outwards and so by gravity moves the disc H rapidly, this movement causes the arm L to move as Maltese cross N which is on the shaft 10 of the drum A to bring a fresh advertisement into view at a window in a casing P on which the drum is mounted.
GB2254347A 1947-08-13 1947-08-13 Improvements in or relating to advertising or display apparatus Expired GB644878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2254347A GB644878A (en) 1947-08-13 1947-08-13 Improvements in or relating to advertising or display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2254347A GB644878A (en) 1947-08-13 1947-08-13 Improvements in or relating to advertising or display apparatus

Publications (1)

Publication Number Publication Date
GB644878A true GB644878A (en) 1950-10-18

Family

ID=10181108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2254347A Expired GB644878A (en) 1947-08-13 1947-08-13 Improvements in or relating to advertising or display apparatus

Country Status (1)

Country Link
GB (1) GB644878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2281652A (en) * 1993-08-25 1995-03-08 Central Point Management Ltd Display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2281652A (en) * 1993-08-25 1995-03-08 Central Point Management Ltd Display device

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