GB363227A - Improvements in or relating to binoculars - Google Patents
Improvements in or relating to binocularsInfo
- Publication number
- GB363227A GB363227A GB548331A GB548331A GB363227A GB 363227 A GB363227 A GB 363227A GB 548331 A GB548331 A GB 548331A GB 548331 A GB548331 A GB 548331A GB 363227 A GB363227 A GB 363227A
- Authority
- GB
- United Kingdom
- Prior art keywords
- objectives
- nut
- entering
- binoculars
- focusing
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/06—Focusing binocular pairs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Abstract
363,227. Binoculars. KERSHAW, N. and SOHO, Ltd., 3, Soho Square, London. Feb. 21, 1931, No. 5483. [Class 97 (i).] In binoculars having a rigid body in which the objectives are mounted, and having telescopically mounted eyepieces which are simultaneously adjusted for focusing, the body is provided with a removable front plate adapted to retain both objectives in position and to afford a bearing for the focusing screwmechanism. The removable front plate 2 is secured by screws 3 engaging in nuts 5 and is formed with flanges 10 entering the sight bores 9 and bearing on the objectives 6, packing rings 7 being interposed between the flanges and the lenses and between the lenses and the body 1. The central.portion of the plate 2 is provided with a boss 12 entering a cylindrical extension of the nut 11 of the focusing means. The nut also has a rearward extension entering a bore 13 in the body 1, and the non-rotatable screw 14 operated by the nut has a rearward extension 15 passing out through the body and secured to the cross-head 17 connecting the eyepieces 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB548331A GB363227A (en) | 1931-02-21 | 1931-02-21 | Improvements in or relating to binoculars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB548331A GB363227A (en) | 1931-02-21 | 1931-02-21 | Improvements in or relating to binoculars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB363227A true GB363227A (en) | 1931-12-17 |
Family
ID=9797042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB548331A Expired GB363227A (en) | 1931-02-21 | 1931-02-21 | Improvements in or relating to binoculars |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB363227A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2421805A (en) * | 1943-05-14 | 1947-06-10 | American Optical Corp | Sealing means for optical instruments |
| US6307673B1 (en) * | 1999-11-09 | 2001-10-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focusing device of binocular |
-
1931
- 1931-02-21 GB GB548331A patent/GB363227A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2421805A (en) * | 1943-05-14 | 1947-06-10 | American Optical Corp | Sealing means for optical instruments |
| US6307673B1 (en) * | 1999-11-09 | 2001-10-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focusing device of binocular |
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