JPH01177722U - - Google Patents
Info
- Publication number
- JPH01177722U JPH01177722U JP7493988U JP7493988U JPH01177722U JP H01177722 U JPH01177722 U JP H01177722U JP 7493988 U JP7493988 U JP 7493988U JP 7493988 U JP7493988 U JP 7493988U JP H01177722 U JPH01177722 U JP H01177722U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- sliding groove
- vertical groove
- groove
- movable lens
- 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、本考案に係る焦点調節機構を組込ん
だテレビカメラ用のレンズ部分に対し、一部を残
して縦断した側面図であり、第２図は、第１図上
Ａ―Ａ線に沿つて横断した一部平面図である。
１……可動鏡筒、２……固定鏡筒、４……偏心
コマ、５……コマ軸、８……摺動溝、９……縦軸
。
FIG. 1 is a side view of a television camera lens incorporating the focus adjustment mechanism according to the present invention, taken along the line A--A in FIG. FIG. 1... Movable lens barrel, 2... Fixed lens barrel, 4... Eccentric piece, 5... Top axis, 8... Sliding groove, 9... Vertical axis.
Claims (1)
の嵌合部において、固定鏡筒２に穿つた長円形の
摺動溝８と、その長手方向と直交し且つ光軸方向
に沿つて穿つた縦溝９とを設け、前記摺動溝８内
に回動自在に嵌め込まれる偏心コマ４を貫くコマ
軸５を前記縦溝９を貫いて摺接させ、その下端部
を可動鏡筒１の一部に螺入して、これを可動鏡筒
１とともに前記縦溝９に沿つて推動させるべくな
した監視用テレビカメラの焦点調節機構。 At the fitting part between the fixed lens barrel 2 and the movable lens barrel 1 that fits inside the fixed lens barrel 2, an oval sliding groove 8 bored in the fixed lens barrel 2 and an oval sliding groove 8 perpendicular to the longitudinal direction and along the optical axis direction are formed. A vertical groove 9 is provided, and a piece shaft 5 passing through the eccentric piece 4 rotatably fitted into the sliding groove 8 is brought into sliding contact through the vertical groove 9, and its lower end is connected to the movable lens barrel. A focus adjustment mechanism for a surveillance television camera, which is screwed into a part of the lens barrel 1 and moved along the vertical groove 9 together with the movable lens barrel 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7493988U JPH01177722U (en) | 1988-06-06 | 1988-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7493988U JPH01177722U (en) | 1988-06-06 | 1988-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01177722U true JPH01177722U (en) | 1989-12-19 |
Family
ID=31300021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7493988U Pending JPH01177722U (en) | 1988-06-06 | 1988-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01177722U (en) |
-
1988
- 1988-06-06 JP JP7493988U patent/JPH01177722U/ja active Pending