JPS62161207U - - Google Patents
Info
- Publication number
- JPS62161207U JPS62161207U JP4897386U JP4897386U JPS62161207U JP S62161207 U JPS62161207 U JP S62161207U JP 4897386 U JP4897386 U JP 4897386U JP 4897386 U JP4897386 U JP 4897386U JP S62161207 U JPS62161207 U JP S62161207U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- ring
- metal tube
- metal
- lens 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims 4
- 239000011347 resin Substances 0.000 claims 3
- 229920005989 resin Polymers 0.000 claims 3
- 239000007769 metal material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図、第２図、第３図は本考案のレンズ鏡胴
の第１、第２、第３実施例の構成を示す断面図、
第４図は従来の鏡胴の構成を示す断面図である。
１，７，１３：固定胴、２，１０，１４：カム
筒、３，４，８，９，１１，１２：リング、５：
ビス、６：長孔。
1, 2, and 3 are sectional views showing the configurations of the first, second, and third embodiments of the lens barrel of the present invention,
FIG. 4 is a sectional view showing the structure of a conventional lens barrel. 1, 7, 13: Fixed cylinder, 2, 10, 14: Cam cylinder, 3, 4, 8, 9, 11, 12: Ring, 5:
Screw, 6: long hole.
Claims (1)
ンズ鏡胴において、前記金属筒を構成する金属材
料と近似の線膨張係数を有するリングを一体的に
固設した上記樹脂筒に前記リングを介して上記金
属筒を遊動嵌合するとともに、前記リングを前記
樹脂筒に対して光軸方向に移動調整するようにし
たことを特徴としたレンズ鏡胴。 In a lens barrel having a structure in which a resin tube and a metal tube are loosely fitted, a ring having a linear expansion coefficient similar to that of a metal material constituting the metal tube is integrally fixed, and the ring is inserted into the resin tube. The lens barrel is characterized in that the metal tube is loosely fitted to the metal tube, and the ring is moved and adjusted in the optical axis direction relative to the resin tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4897386U JPS62161207U (en) | 1986-04-03 | 1986-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4897386U JPS62161207U (en) | 1986-04-03 | 1986-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62161207U true JPS62161207U (en) | 1987-10-14 |
Family
ID=30871000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4897386U Pending JPS62161207U (en) | 1986-04-03 | 1986-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62161207U (en) |
-
1986
- 1986-04-03 JP JP4897386U patent/JPS62161207U/ja active Pending