KR960042192A - Cylindrical roll bar with tension - Google Patents
Cylindrical roll bar with tension Download PDFInfo
- Publication number
- KR960042192A KR960042192A KR1019950013326A KR19950013326A KR960042192A KR 960042192 A KR960042192 A KR 960042192A KR 1019950013326 A KR1019950013326 A KR 1019950013326A KR 19950013326 A KR19950013326 A KR 19950013326A KR 960042192 A KR960042192 A KR 960042192A
- Authority
- KR
- South Korea
- Prior art keywords
- screen
- unrolled
- roll bar
- cylindrical roll
- bracket
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/22—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
- B65H54/553—Both-ends supporting arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
본 발명은 전동스크린 장치등 외부동력에 의해 구동되어 원통형 롤바 외면에 감기거나 풀리도록하는 스크린이 원통형 롤바로 부터 풀려 펼쳐진 스크린에 감기는 방향측으로 향상 긴장력을 부여함으로써 스크린면을 항상 팽팽하게 유지한 상태에서 사용할수 있게한 것으로서, 외면에 스크린(1)이 부착고정되어 롤식으로 감기거나 풀리도록 한 외통(2)의 일측을 브라케트(3)에 회동가능하게 지지하고, 상기 외통(2)의 타측에는 구동원과 연결되어 브라케트(3)에 회동가능하게 지지하고,상기 외통(2)의 타측에는 구동원과 연결되어 브라케트(3)에 회전가능하게 지지하는 연결축(4)을 베어링(5)을 개재하여 삽입설치 하고, 상기 연결축(4)의 선단 소경부(6)는 상기 외통(2)의 내부에서 고정구(7)로서 고정설치되는 내통(8)의 선단에 베어링(9)을 개재하여 조립설치 되며, 상기 내통(8)의 선단에 베어링(9)을 개재하여 조립설치 되며, 상기 내통(8)의외면에는 일단이 상기 고정구(7)에 부착고정되고 타단은 상기 연결축(4)의 플랜지부(10)에 부착고정되는 코일스프링(11)을 외감하여서 되는 것을 특징으로 하는 텐션기능을 갖는 원통형 롤바(A)이다.The present invention maintains the screen surface at all times by applying an improved tension to the direction in which the screen driven by external power such as an electric screen device to be wound or unrolled on the outer surface of the cylindrical roll bar is wound on the unrolled screen unrolled from the cylindrical roll bar As can be used in, the one side of the outer cylinder (2) is fixed to the bracket (3) rotatably supported by the bracket (3) so that the screen (1) attached to the outer surface is rolled or unrolled, the other of the outer cylinder (2) On the side is connected to the drive source to support the bracket 3 rotatably, the other side of the outer cylinder (2) is connected to the drive source connected to the drive shaft (4) rotatably supporting the bearing (3) The small diameter portion 6 of the front end of the connecting shaft 4 is interposed between the bearing 9 at the end of the inner cylinder 8 which is fixedly installed as the fastener 7 inside the outer cylinder 2. To be assembled And, the front end of the inner cylinder (8) is assembled and installed via a bearing (9), one end is fixed to the fixing member (7) on the outer surface of the inner cylinder (8) and the other end of the plan of the connecting shaft (4) It is a cylindrical roll bar (A) having a tension function, characterized in that the coil spring (11) attached to the branch (10) is wound around.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 본 발명의 분해 사시도, 제2도는 본 발명의 조립상태 단면도, 제3도는 본 발명의 설치, 사용 상태도로서, 제2도와는 반대방향에서 본 상태를 나타내는 사시도.1 is an exploded perspective view of the present invention, FIG. 2 is a cross-sectional view of the assembled state of the present invention, and FIG. 3 is a view of the installation and use of the present invention, showing a state seen from the direction opposite to FIG.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950013326A KR0167029B1 (en) | 1995-05-25 | 1995-05-25 | Cylindrical roll bar having a tension function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950013326A KR0167029B1 (en) | 1995-05-25 | 1995-05-25 | Cylindrical roll bar having a tension function |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960042192A true KR960042192A (en) | 1996-12-21 |
KR0167029B1 KR0167029B1 (en) | 1999-03-30 |
Family
ID=19415463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950013326A KR0167029B1 (en) | 1995-05-25 | 1995-05-25 | Cylindrical roll bar having a tension function |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0167029B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100362685B1 (en) * | 2000-10-19 | 2002-11-29 | 백병용 | Roll screen |
-
1995
- 1995-05-25 KR KR1019950013326A patent/KR0167029B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100362685B1 (en) * | 2000-10-19 | 2002-11-29 | 백병용 | Roll screen |
Also Published As
Publication number | Publication date |
---|---|
KR0167029B1 (en) | 1999-03-30 |
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A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120725 Year of fee payment: 15 |
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EXPY | Expiration of term |