GB644878A - Improvements in or relating to advertising or display apparatus - Google Patents
Improvements in or relating to advertising or display apparatusInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F21/00—Mobile visual advertising
- G09F21/04—Mobile visual advertising by land vehicles
- G09F21/046—Mobile 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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2281652A (en) * | 1993-08-25 | 1995-03-08 | Central Point Management Ltd | Display device |
-
1947
- 1947-08-13 GB GB2254347A patent/GB644878A/en not_active Expired
Cited By (1)
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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