JPH02140517U - - Google Patents
Info
- Publication number
- JPH02140517U JPH02140517U JP4981689U JP4981689U JPH02140517U JP H02140517 U JPH02140517 U JP H02140517U JP 4981689 U JP4981689 U JP 4981689U JP 4981689 U JP4981689 U JP 4981689U JP H02140517 U JPH02140517 U JP H02140517U
- Authority
- JP
- Japan
- Prior art keywords
- astronomical telescope
- lens barrel
- holes
- rear side
- air supply
- 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.)
- Pending
Links
Landscapes
- Telescopes (AREA)
Description
第１図は本考案品の一部切断した斜視図であり
、第２図は同じく縦断側面図である。
１…天体望遠鏡本体、２…鏡筒、１１…透孔、
１２Ａ，１２Ｂ…フアン。
FIG. 1 is a partially cutaway perspective view of the product of the present invention, and FIG. 2 is a longitudinal sectional side view. 1... Astronomical telescope body, 2... Lens tube, 11... Through hole,
12A, 12B... Juan.
Claims (1)
宜複数個所に透孔１１を穿設せしめると共に、該
透孔１１の一方に空気送給フアン１２Ａ又は空気
吸引フアン１２Ｂを接続せしめて、鏡筒２内部の
空気を置換せしめた天体望遠鏡。 (2) 天体望遠鏡本体１がシユミツトカセグレン
式である請求項１記載の天体望遠鏡。 (3) 前記透孔１１を鏡筒２後側に二個所穿つて
成る請求項１及び２記載の天体望遠鏡。 (4) 前記透孔１１を鏡筒２の後側と周側面とに
夫々穿つて成る請求項１及び２記載の天体望遠鏡
。[Claims for Utility Model Registration] (1) Through-holes 11 are formed at multiple locations in the sealed lens barrel 2 of the astronomical telescope body 1, and one of the through-holes 11 is provided with an air supply fan 12A or an air supply fan 12A. This is an astronomical telescope in which the air inside the lens barrel 2 is replaced by a suction fan 12B. (2) The astronomical telescope according to claim 1, wherein the astronomical telescope body 1 is of Schmitt-Cassegrain type. (3) The astronomical telescope according to claims 1 and 2, wherein the through holes 11 are formed at two locations on the rear side of the lens barrel 2. (4) The astronomical telescope according to claims 1 and 2, wherein the through hole 11 is formed in the rear side and the circumferential side of the lens barrel 2, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4981689U JPH02140517U (en) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4981689U JPH02140517U (en) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140517U true JPH02140517U (en) | 1990-11-26 |
Family
ID=31567830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4981689U Pending JPH02140517U (en) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140517U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS568109A (en) * | 1979-07-03 | 1981-01-27 | Toshikazu Iwasaki | Reflecting telescope |
| JPS5612939A (en) * | 1979-07-12 | 1981-02-07 | Matsushita Electric Ind Co Ltd | Ventilating apparatus |
| JPS6234175A (en) * | 1985-08-08 | 1987-02-14 | Fuji Electric Co Ltd | Electrophotographic device |
-
1989
- 1989-04-27 JP JP4981689U patent/JPH02140517U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS568109A (en) * | 1979-07-03 | 1981-01-27 | Toshikazu Iwasaki | Reflecting telescope |
| JPS5612939A (en) * | 1979-07-12 | 1981-02-07 | Matsushita Electric Ind Co Ltd | Ventilating apparatus |
| JPS6234175A (en) * | 1985-08-08 | 1987-02-14 | Fuji Electric Co Ltd | Electrophotographic device |