GB816858A - An improved visual indicator device - Google Patents
An improved visual indicator deviceInfo
- Publication number
- GB816858A GB816858A GB719255A GB719255A GB816858A GB 816858 A GB816858 A GB 816858A GB 719255 A GB719255 A GB 719255A GB 719255 A GB719255 A GB 719255A GB 816858 A GB816858 A GB 816858A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frame
- panels
- strips
- indicator
- panel
- 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
- 230000000007 visual effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09D—RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
- G09D1/00—Railway or like time or fare tables; Indicating or reading aids therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
816,858. Signs. NATIONAL RESEARCH DEVELOPMENT CORPORATION. June 8, 1956 [March 11, 1955; Sept. 15, 1955], Nos. 7192/55 and 26420/55. Class 3(2) An indicator comprises a frame 2 having opposed channels for slidably receiving a number of perforated panels 1 removably carrying channel-shaped members 14 which in turn slidably receive perforated strips 16 removably carrying indicating pegs 17. A number of units 14, 16 may be carried by a like device of larger dimensions (see Figs. 6 and 7, not shown). The indicator is provided with panels 22, 23 which stand proud of the frame 2 in order to permit movement of the panels 1, the panel 23 being hinged to the frame 2 and the panel 22 being fixed thereto or slidably mounted thereon. The indicator is also provided with movable pointers. 31, U-shaped pegs for joining strips 15. together and leaf-springs for locating the strips in position when they are adapted to slide vertically.
Publications (1)
Publication Number | Publication Date |
---|---|
GB816858A true GB816858A (en) | 1959-07-22 |
Family
ID=1628895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB719255A Expired GB816858A (en) | 1955-03-11 | An improved visual indicator device |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB816858A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3034474A (en) * | 1960-01-14 | 1962-05-15 | Wassell Organization Inc | Control board panel |
GB2344447A (en) * | 1998-12-02 | 2000-06-07 | Michael John Provost | Selector apparatus |
-
1955
- 1955-03-11 GB GB719255A patent/GB816858A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3034474A (en) * | 1960-01-14 | 1962-05-15 | Wassell Organization Inc | Control board panel |
GB2344447A (en) * | 1998-12-02 | 2000-06-07 | Michael John Provost | Selector apparatus |
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