GB423264A - Improvements in and relating to black-boards and the like - Google Patents
Improvements in and relating to black-boards and the likeInfo
- Publication number
- GB423264A GB423264A GB2926033A GB2926033A GB423264A GB 423264 A GB423264 A GB 423264A GB 2926033 A GB2926033 A GB 2926033A GB 2926033 A GB2926033 A GB 2926033A GB 423264 A GB423264 A GB 423264A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bent
- clip
- members
- blackboard
- cap
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/08—Blackboards flexible
Landscapes
- Laminated Bodies (AREA)
- Drawing Aids And Blackboards (AREA)
- Clamps And Clips (AREA)
Abstract
423,264. Blackboards; maps. GARDEN, W. B., 24, Newtown Street, Kilsyth, Stirling- shire. Oct. 23, 1933, No. 29260. [Class 146 (ii)] [See also Group XVIII] In a blackboard or the like of the type described in Specifications 21140 /09, [Class 146 (ii)], and 412,916, comprising an endless band constituted by flexible sheets of blackboard-surfaced or other material detachably connected together by means of clip members and entrained over top and bottom rollers carried by a frame, the flexible sheets 5 are connected together by clip members 9 having a cap 10 fitted at each end of each clip member, and comprising a plate bent longitudinally to embrace the end of the clip 9 and slit to permit the end of the plate to be bent to form the end face 11 of the cap, the extremities 11<1> of the bent end being folded back on to the bent sides of the cap. The connection between the sheets 5 takes the form of beaded members 6 which are attached to the edges of the sheets by rivets 7, the clips 9 fitting over the beaded edges 8 of two adjacent members 6. The endless band may carry maps, diagrams, &c. instead of blackboard-surfaced material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2926033A GB423264A (en) | 1933-10-23 | 1933-10-23 | Improvements in and relating to black-boards and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2926033A GB423264A (en) | 1933-10-23 | 1933-10-23 | Improvements in and relating to black-boards and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB423264A true GB423264A (en) | 1935-01-29 |
Family
ID=10288686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2926033A Expired GB423264A (en) | 1933-10-23 | 1933-10-23 | Improvements in and relating to black-boards and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB423264A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937176A (en) * | 2021-03-02 | 2021-06-11 | 伍聚军 | Vocational skill training is with supplementary teaching equipment |
-
1933
- 1933-10-23 GB GB2926033A patent/GB423264A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937176A (en) * | 2021-03-02 | 2021-06-11 | 伍聚军 | Vocational skill training is with supplementary teaching equipment |
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