CN108204505B - 一种改进型可调式投影台 - Google Patents
一种改进型可调式投影台 Download PDFInfo
- Publication number
- CN108204505B CN108204505B CN201711195366.9A CN201711195366A CN108204505B CN 108204505 B CN108204505 B CN 108204505B CN 201711195366 A CN201711195366 A CN 201711195366A CN 108204505 B CN108204505 B CN 108204505B
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- CN
- China
- Prior art keywords
- reduction
- spiral shell
- shell shape
- setting prop
- cylinder
- 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.)
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- 238000001514 detection method Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Knitting Machines (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711195366.9A CN108204505B (zh) | 2017-11-24 | 2017-11-24 | 一种改进型可调式投影台 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711195366.9A CN108204505B (zh) | 2017-11-24 | 2017-11-24 | 一种改进型可调式投影台 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108204505A CN108204505A (zh) | 2018-06-26 |
CN108204505B true CN108204505B (zh) | 2019-09-24 |
Family
ID=62604113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711195366.9A Active CN108204505B (zh) | 2017-11-24 | 2017-11-24 | 一种改进型可调式投影台 |
Country Status (1)
Country | Link |
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CN (1) | CN108204505B (zh) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060214A (en) * | 1976-11-15 | 1977-11-29 | Athena Industries, Inc. | Merchandise display stand |
DE4202826A1 (de) * | 1992-01-31 | 1993-08-05 | Kuerbi & Niggeloh Bilora Gmbh | Stativ |
CN1782857A (zh) * | 2004-11-29 | 2006-06-07 | 明基电通股份有限公司 | 电子装置及其调整机构 |
CN2844980Y (zh) * | 2005-06-24 | 2006-12-06 | 广州美视晶莹银幕有限公司 | 投影幕升降机构 |
CN2879244Y (zh) * | 2006-03-31 | 2007-03-14 | 王峰 | 一种投影机吊架 |
CN100504592C (zh) * | 2007-04-12 | 2009-06-24 | 沈阳飞机工业(集团)有限公司 | 投影机升降机 |
CN201934871U (zh) * | 2010-11-29 | 2011-08-17 | 江苏红叶视听器材股份有限公司 | 电子白板投影定位升降装置 |
US9140965B2 (en) * | 2011-11-22 | 2015-09-22 | Cubic Corporation | Immersive projection system |
CN203630501U (zh) * | 2013-12-24 | 2014-06-04 | 湖南人文科技学院 | 一种可升降、微调的多功能投影仪吊架 |
CN204717291U (zh) * | 2015-01-23 | 2015-10-21 | 上海恒锐智能工程有限公司 | 投影机升降架 |
CN204592769U (zh) * | 2015-04-22 | 2015-08-26 | 山东友大软件科技有限公司 | 电子信息投影仪角度调整架 |
CN205301799U (zh) * | 2016-01-18 | 2016-06-08 | 浙江财经大学 | 一种计算机教学用投影仪射头 |
-
2017
- 2017-11-24 CN CN201711195366.9A patent/CN108204505B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN108204505A (zh) | 2018-06-26 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190822 Address after: 362000 Qianpu 187, Hucuo Village, Tuzhai Town, Huian County, Quanzhou City, Fujian Province Applicant after: QUANZHOU WEISHENG FOOD Co.,Ltd. Address before: No. 115 Hongshan Road, Xiangshan District, Huaibei City, Anhui Province Applicant before: Wei Deyuan |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210428 Address after: 423, floor 4, block a, Xinhua future city building, No. 175, Litang Road, Changping District, Beijing 102200 Patentee after: Li Qiannan Address before: 362000 Qianpu 187, Hucuo Village, Tuzhai Town, Huian County, Quanzhou City, Fujian Province Patentee before: QUANZHOU WEISHENG FOOD Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220321 Address after: 226000 No. 180, Qingnian West Road, Hongqiao street, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Nantong Haibang Intelligent Technology Co.,Ltd. Address before: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee before: Li Qiannan |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221202 Address after: 276017 C807-1, Longhu Software Park, Linyi Hi tech Industrial Development Zone, Shandong Province Patentee after: Shandong Yishen Culture Communication Co.,Ltd. Address before: 226000 No. 180, Qingnian West Road, Hongqiao street, Chongchuan District, Nantong City, Jiangsu Province Patentee before: Nantong Haibang Intelligent Technology Co.,Ltd. |