JPS6376833U

JPS6376833U -

Info

Publication number: JPS6376833U
Application number: JP13421087U
Authority: JP
Priority date: 1987-09-02
Filing date: 1987-09-02
Publication date: 1988-05-21
Anticipated expiration: 2002-09-02
Also published as: JPH0531632Y2

Description

[Brief explanation of the drawing]

第１図は本考案を適用したレンズシヤツタ式カ
メラの鏡筒ブロツク、測距装置の発光部と受光部
と近距離補正光学素子、およびズームモータの配
置を示す正面図、第２図は第１図の平面図、第３
図および第４図は、それぞれ第１図の―線お
よび―線に沿う断面図、第５図は同レンズシ
ヤツタ式カメラの主要要素の概念的斜視図、第６
図は鏡筒ブロツクの縦断面図、第７図はカムリン
グの前群用カム溝および後群用カム溝の展開図、
第８図は鏡筒ブロツクの分解斜視図、第９図は三
角測距原理に基づく測距装置の概念図、第１０図
は第９図の測距装置において近距離補正光学素子
を挿入した状態の概念図、第１１図は第１０図の
近距離補正光学素子の拡大図、第１２図は同正面
図、第１３図はフアインダ・ストロボブロツクの
カム板部分の平面図、第１４図は第１３図の
―線に沿う断面図、第１５図は第１３図の背
面図、第１６図は第１３図においてカム板および
フアインダ親板を除去した状態の平面図、第１７
図は第１６図の正面図、第１８図は第１７図の
―線に沿う断面図、第１９図は第１８図と
は異なる作動状態の断面図、第２０図は第１９図
において偏角プリズム作動板を除いて描いた偏角
プリズム挿入時の縦断面図、第２１図は偏角プリ
ズム挿入時の状態を示す第１７図と類似した正面
図、第２２図は第２１図の―線に沿
う断面図である。１……鏡筒ブロツク、２……フアインダ・スト
ロボブロツク、３……発光部、４……受光部、５
……ズームモータ、６……台板、６ａ……鏡筒支
持板部、６ｂ……水平支持板部、６ｃ……モータ
支持板部、６ｇ……開口、７……ピニオン、８…
…フアインダ装置、１１……後固定板、１２……
ガイドロツド、１４……カムリング、１６……前
群枠、１８……後群枠、２０，２１……ズーミン
グカム溝、２３……シヤツタブロツク、２５……
ヘリコイド、５３……カム板、５４……フアイン
ダブロツク、５５……変倍カム溝、５４……パラ
ラツクス補正カム溝、５７……ストロボカム溝。 Figure 1 is a front view showing the arrangement of the lens barrel block of a lens-shutter camera to which the present invention is applied, the light emitting part and light receiving part of the distance measuring device, the short distance correction optical element, and the zoom motor, and Figure 2 is the same as Figure 1. Plan view, 3rd
4 and 4 are sectional views taken along lines - and -, respectively, in FIG. 1, FIG. 5 is a conceptual perspective view of the main elements of the lens-shutter camera, and FIG.
The figure is a longitudinal sectional view of the lens barrel block, and Figure 7 is a developed view of the cam ring's cam grooves for the front group and the cam grooves for the rear group.
Figure 8 is an exploded perspective view of the lens barrel block, Figure 9 is a conceptual diagram of a distance measuring device based on the triangulation principle, and Figure 10 is the distance measuring device of Figure 9 with a short-range correction optical element inserted. 11 is an enlarged view of the short-range correction optical element in FIG. 10, FIG. 12 is a front view of the same, FIG. 13 is a plan view of the cam plate portion of the finder strobe block, and FIG. 15 is a rear view of FIG. 13, FIG. 16 is a plan view of FIG. 13 with the cam plate and the finder main plate removed, and FIG.
The figure is a front view of Fig. 16, Fig. 18 is a cross-sectional view taken along the - line of Fig. 17, Fig. 19 is a cross-sectional view of an operating state different from Fig. 18, and Fig. 20 is a declination angle in Fig. 19. A vertical cross-sectional view of the deflection prism when it is inserted, with the prism actuating plate removed. FIG. 21 is a front view similar to FIG. 17 showing the state of the deflection prism when it is inserted. FIG. FIG. 1... Lens barrel block, 2... Finder strobe block, 3... Light emitting section, 4... Light receiving section, 5
...zoom motor, 6...base plate, 6a...lens barrel support plate section, 6b...horizontal support plate section, 6c...motor support plate section, 6g...opening, 7...pinion, 8...
...Finder device, 11... Rear fixing plate, 12...
Guide rod, 14...Cam ring, 16...Front group frame, 18...Rear group frame, 20, 21...Zooming cam groove, 23...Shutter block, 25...
Helicoid, 53...cam plate, 54...fin double block, 55...magnification variable cam groove, 54...parallax correction cam groove, 57...stroboscopic cam groove.

Claims

[Scope of utility model registration request]

In a camera equipped with a zoom lens that can change the focal length; a finder device; a light emitting section and a light receiving section of a distance measuring device; and a zoom motor for zooming, each of the above components is attached to a single base plate. , a component mounting structure for a lens shutter type zoom lens camera, characterized in that this base plate is attached to a camera body.