JPS61112315U - - Google Patents
Info
- Publication number
- JPS61112315U JPS61112315U JP19586884U JP19586884U JPS61112315U JP S61112315 U JPS61112315 U JP S61112315U JP 19586884 U JP19586884 U JP 19586884U JP 19586884 U JP19586884 U JP 19586884U JP S61112315 U JPS61112315 U JP S61112315U
- Authority
- JP
- Japan
- Prior art keywords
- cam ring
- wall
- ring
- notches
- 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
- 239000000470 constituent Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は、従来のプラスチツク鏡筒レンズの構
造図、第２図は、第１図の中でカム環の保持部の
構造図、第３図は、本考案の一実施例の断面図、
第４図は、本考案の組立方法を示す斜視図である
。
１……従来のカム環、２……固定筒、３……お
さえ板、４……カム環のガタ、５……弾性体。
Fig. 1 is a structural diagram of a conventional plastic barrel lens, Fig. 2 is a structural diagram of a cam ring holding part in Fig. 1, and Fig. 3 is a sectional view of an embodiment of the present invention.
FIG. 4 is a perspective view showing the assembly method of the present invention. 1... Conventional cam ring, 2... Fixed cylinder, 3... Holding plate, 4... Backlash of cam ring, 5... Elastic body.
Claims (1)
成要素として持つズームレンズ鏡筒において、カ
ム環の光軸方向どちらか一方の端の円周上に複数
の切り欠きを設け、該切り欠き部に弾力性があり
かつ摺動性のある材料から成る切片をはめ込み、
該切片は該切り欠きにはまりカム環壁をはさみ込
むような形状でカム環に取付けられかつ、カム環
に取付けられた反対側は半円形になり、カム環の
保持する部品の内壁に当りカム環を保持部品の他
方の内壁に押しつけるようにしてカム環ガタを除
去した構造を有することを特徴とするズームレン
ズ鏡筒。 In a zoom lens barrel having a cam ring and a cylindrical holding part that holds the cam ring as constituent elements, a plurality of notches are provided on the circumference of either end of the cam ring in the optical axis direction, and the notches Insert a section made of elastic and sliding material into the
The section is attached to the cam ring in such a shape that it fits into the notch and sandwiches the cam ring wall, and the opposite side from where it is attached to the cam ring is semicircular and hits the inner wall of the part held by the cam ring, so that the cam ring A zoom lens barrel characterized by having a structure in which play in the cam ring is removed by pressing the ring against the other inner wall of the holding component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19586884U JPS61112315U (en) | 1984-12-26 | 1984-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19586884U JPS61112315U (en) | 1984-12-26 | 1984-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61112315U true JPS61112315U (en) | 1986-07-16 |
Family
ID=30753484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19586884U Pending JPS61112315U (en) | 1984-12-26 | 1984-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61112315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012042937A (en) * | 2010-07-20 | 2012-03-01 | Panasonic Corp | Lens barrel |
-
1984
- 1984-12-26 JP JP19586884U patent/JPS61112315U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012042937A (en) * | 2010-07-20 | 2012-03-01 | Panasonic Corp | Lens barrel |
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