JPH01128209U - - Google Patents
Info
- Publication number
- JPH01128209U JPH01128209U JP2089088U JP2089088U JPH01128209U JP H01128209 U JPH01128209 U JP H01128209U JP 2089088 U JP2089088 U JP 2089088U JP 2089088 U JP2089088 U JP 2089088U JP H01128209 U JPH01128209 U JP H01128209U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- shape memory
- memory alloy
- alloy wire
- barrel
- 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.)
- Granted
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Focusing (AREA)
- Lens Barrels (AREA)
Description
第１図は本願考案の１実施例をしめす一部切欠
斜視図。第２図は構成を示す参考図。
１…レンズ装置、２…内鏡筒、３…外鏡筒、４
…形状記憶合金ワイヤ、５…テフロン樹脂コーテ
イング層、６，７…係合部、８…ヘリコイド機構
部、９…チヤージ手段、１０…電源、ＳＷ…スイ
ツチ。
FIG. 1 is a partially cutaway perspective view showing one embodiment of the present invention. Figure 2 is a reference diagram showing the configuration. 1... Lens device, 2... Inner lens barrel, 3... Outer lens barrel, 4
...shape memory alloy wire, 5...Teflon resin coating layer, 6, 7...engaging portion, 8...helicoid mechanism section, 9...charging means, 10...power supply, SW...switch.
Claims (1)
出し機構を具備したレンズ装置において、形状記
憶合金ワイヤを内鏡筒の外側に巻き回し、その一
端を内鏡筒に、他端を外鏡筒に係合させて設け、
該形状記憶合金ワイヤに通電過熱して線収縮させ
ることにより鏡筒を回転駆動することを特徴とす
るレンズ装置。 (2) 内鏡筒の少なくとも形状記憶合金ワイヤが
巻き回される外側面部位がテフロン樹脂でコーテ
イングされていることを特徴とする、実用新案登
録請求の範囲第１項記載のレンズ装置。[Claims for Utility Model Registration] (1) In a lens device equipped with a helicoid type pulling mechanism consisting of an outer lens barrel and an inner lens barrel, a shape memory alloy wire is wound around the outside of the inner lens barrel, and one end of the wire is wound inside the inner lens barrel. provided on the lens barrel with the other end engaged with the outer lens barrel,
A lens device characterized in that a lens barrel is rotationally driven by energizing and heating the shape memory alloy wire to cause linear contraction. (2) The lens device according to claim 1, wherein at least the outer surface portion of the inner barrel around which the shape memory alloy wire is wound is coated with Teflon resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089088U JPH0546009Y2 (en) | 1988-02-19 | 1988-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089088U JPH0546009Y2 (en) | 1988-02-19 | 1988-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01128209U true JPH01128209U (en) | 1989-09-01 |
| JPH0546009Y2 JPH0546009Y2 (en) | 1993-12-01 |
Family
ID=31237639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2089088U Expired - Lifetime JPH0546009Y2 (en) | 1988-02-19 | 1988-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0546009Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006038891A (en) * | 2004-07-22 | 2006-02-09 | Konica Minolta Photo Imaging Inc | Imaging apparatus |
| US8096120B2 (en) | 2003-05-14 | 2012-01-17 | Furukawa-Sky Aluminum Corp. | Movable mechanism |
| US12306458B2 (en) | 2019-12-26 | 2025-05-20 | Cambridge Mechatronics Limited | Actuation apparatus |
-
1988
- 1988-02-19 JP JP2089088U patent/JPH0546009Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8096120B2 (en) | 2003-05-14 | 2012-01-17 | Furukawa-Sky Aluminum Corp. | Movable mechanism |
| JP2006038891A (en) * | 2004-07-22 | 2006-02-09 | Konica Minolta Photo Imaging Inc | Imaging apparatus |
| US12306458B2 (en) | 2019-12-26 | 2025-05-20 | Cambridge Mechatronics Limited | Actuation apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0546009Y2 (en) | 1993-12-01 |