JPH0390214U

JPH0390214U -

Info

Publication number: JPH0390214U
Application number: JP15315789U
Authority: JP
Priority date: 1989-12-28
Filing date: 1989-12-28
Publication date: 1991-09-13

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の一部断面の側面図
、第２Ａ図は支持アーム２０の平面図、第２Ｂ図
は第２Ａ図のＢ−Ｂ線の断面図、第２Ｃ図は支持
アーム２０の底面図、第２Ｄ図は支持アーム２０
の側面図、第３Ａ図はレンズ鏡筒１４の第１図の
−線からみた断面図、第３Ｂ図はレンズ鏡筒
の平面図、第４Ａ図はスライド板３４の平面図、
第４Ｂ図はスライド板３４の側面図、第５Ａ図は
レンズ鏡筒１４をマウント１６から最大限押し出
した状態でのガイド溝３０内のスライド板３４の
位置を示す図、第５Ｂ図はレンズ鏡筒１４をマウ
ント１６に最大限押し込んだ状態でのガイド溝３
０内のスライド板３４の位置を示す図、第６図は
板バネ３２、スライド板３４及びレンズ鏡筒５４
の台座５４の分解斜視図、第７図は別の実施例の
一部断面側面図、第８図は第７図の実施例の支持
アーム１００及びスライド板１０４の平面図であ
る。１０……光学コンバータ、１２……撮影レンズ
、１４……レンズ鏡筒、１６……マウント、１８
……ネジ、２０……支持アーム、２０Ａ……基部
、２０Ｂ……アーム部、２０Ｃ……凹み、２２…
…ピン、２２Ａ……軸部、２２Ｂ……頭部、２４
……長円状開口、２６，２８……凹み、３０……
ガイド溝、３０Ａ，３０Ｂ，３０Ｃ……凹部、３
２……板バネ、３４……スライド板、４０……マ
ウント本体、４２……マウント・カバー、５０…
…筒体、５２……弾性体、５４…台座、５６……
孔、５８……溝、６０……円形開口、６２，６４
……切り込み、６６，６８……弾性アーム、７０
……突起、７２，７４，７６……テーパー面、１
００……支持アーム、１０２……ピン、１０４…
…スライド、１０４Ａ，１０４Ｂ……切り欠き、
１０６……Ｅリング、１０８……ガイド溝、１１
０……開口、１０８Ａ……拡幅部、１１２……板
バネ、１１２Ａ，１１２Ｂ……突出部、１１４…
…凹み。 Fig. 1 is a partially sectional side view of an embodiment of the present invention, Fig. 2A is a plan view of the support arm 20, Fig. 2B is a sectional view taken along line B-B in Fig. 2A, and Fig. 2C is a support arm 20. A bottom view of the arm 20, FIG. 2D shows the support arm 20.
, FIG. 3A is a sectional view of the lens barrel 14 taken from the - line in FIG. 1, FIG. 3B is a plan view of the lens barrel, and FIG. 4A is a plan view of the slide plate 34.
4B is a side view of the slide plate 34, FIG. 5A is a diagram showing the position of the slide plate 34 within the guide groove 30 when the lens barrel 14 is pushed out from the mount 16 to the maximum extent, and FIG. 5B is a side view of the slide plate 34. Guide groove 3 with cylinder 14 pushed into mount 16 as much as possible
6 is a diagram showing the position of the slide plate 34 in 0, the plate spring 32, the slide plate 34, and the lens barrel 54.
7 is a partially sectional side view of another embodiment, and FIG. 8 is a plan view of the support arm 100 and slide plate 104 of the embodiment of FIG. 7. 10...Optical converter, 12...Photographing lens, 14...Lens barrel, 16...Mount, 18
...screw, 20...support arm, 20A...base, 20B...arm part, 20C...dent, 22...
...Pin, 22A...Shaft, 22B...Head, 24
...Oval opening, 26, 28...Concave, 30...
Guide groove, 30A, 30B, 30C... recess, 3
2...Plate spring, 34...Slide plate, 40...Mount body, 42...Mount cover, 50...
... Cylindrical body, 52 ... Elastic body, 54 ... Pedestal, 56 ...
Hole, 58... Groove, 60... Circular opening, 62, 64
...Notch, 66, 68...Elastic arm, 70
...Protrusion, 72, 74, 76...Tapered surface, 1
00...Support arm, 102...Pin, 104...
...slide, 104A, 104B...notch,
106...E ring, 108...Guide groove, 11
0... Opening, 108A... Widening part, 112... Leaf spring, 112A, 112B... Protruding part, 114...
…dent.

Claims

[Scope of Claim for Utility Model Registration] (1) An optical conversion member that converts the focal length of a main lens with a conversion rate that differs depending on the orientation, a mount for attaching to the main lens, and an optical conversion member that is attached to the mount. An optical device comprising a support member that supports the optical conversion member movably between a first position where the optical conversion member is attached and a second position where the optical conversion member is separated from the mount and the orientation of the optical conversion member can be changed. In the converter, two pins are installed on the outer periphery of the optical conversion member at 180 degrees apart in the circumferential direction, a rotatable slide member is attached to the pins, and the support member has a first position and a second position. a guide groove for guiding the slide member between the two positions, and a locking mechanism for locking the slide member at each of the first position and the second position is provided in the guide groove and the slide member; A protrusion for regulating the optical conversion member in a predetermined direction is provided on one of the slide member and a portion of the optical conversion member that is in contact with the slide member,
An optical converter characterized in that a recess corresponding to the protrusion is provided on the other side, and a biasing member is provided for biasing the slide member toward the optical conversion member. (2) an optical conversion member that converts the focal length of the main lens at a conversion rate that differs depending on the orientation; a mount for attachment to the main lens; a first position where the optical conversion member is attached to the mount; An optical converter, the optical converter comprising: a support member that supports the optical conversion member movably between a second position where the optical conversion member is separated from the mount and a second position where the orientation of the optical conversion member can be changed; Two pins are planted on the outer periphery of the member at a distance of 180 degrees in the circumferential direction, a slide member is fixed to the pins, and the support member has a structure that guides the slide member between a first position and a second position. At the same time, the second
A guide groove having a widened portion that allows rotation of the slide member around the pin at the position, and a locking mechanism for locking the slide member at each of the first position and the second position. An optical converter characterized by: