JPH0157711U - - Google Patents
Info
- Publication number
- JPH0157711U JPH0157711U JP15218687U JP15218687U JPH0157711U JP H0157711 U JPH0157711 U JP H0157711U JP 15218687 U JP15218687 U JP 15218687U JP 15218687 U JP15218687 U JP 15218687U JP H0157711 U JPH0157711 U JP H0157711U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- helicoid
- external lens
- rectilinear
- filter frame
- 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
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案に係る実施例のレンズ鏡筒の断
面図である。
１……外部鏡筒、２……回転ヘリコイド、４…
…直進ヘリコイド、７……直進キー、１３……フ
イルタ枠、１４……弾性部材、１５……ビス、Ｌ
１……前群レンズ、Ｌ２……後群レンズ。
FIG. 1 is a sectional view of a lens barrel according to an embodiment of the present invention. 1...External lens barrel, 2...Rotating helicoid, 4...
... Straight helicoid, 7 ... Straight key, 13 ... Filter frame, 14 ... Elastic member, 15 ... Screw, L
1...Front group lens, L2...Rear group lens.
Claims (1)
ルタ枠と、回転ヘリコイドと該外部鏡筒に固定し
た直進キーを備え、該回転ヘリコイドの回動と該
直進キーの案内により光軸方向に直進する直進ヘ
リコイドを有するレンズ鏡筒において、該フイル
タ枠を該直進ヘリコイドに弾性部材を介して結合
したことを特徴とするレンズ鏡筒。 It is equipped with an external lens barrel, a filter frame that protrudes forward from the external lens barrel, a rotating helicoid, and a linear key fixed to the external lens barrel, and moves linearly in the optical axis direction by rotation of the rotating helicoid and guidance of the linear key. What is claimed is: 1. A lens barrel having a rectilinear helicoid, characterized in that the filter frame is coupled to the rectilinear helicoid via an elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15218687U JPH0157711U (en) | 1987-10-06 | 1987-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15218687U JPH0157711U (en) | 1987-10-06 | 1987-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0157711U true JPH0157711U (en) | 1989-04-11 |
Family
ID=31426887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15218687U Pending JPH0157711U (en) | 1987-10-06 | 1987-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0157711U (en) |
-
1987
- 1987-10-06 JP JP15218687U patent/JPH0157711U/ja active Pending
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