GB1340981A - Focal plane shutter of photographic camera - Google Patents

Focal plane shutter of photographic camera

Info

Publication number
GB1340981A
GB1340981A GB1340981DA GB1340981A GB 1340981 A GB1340981 A GB 1340981A GB 1340981D A GB1340981D A GB 1340981DA GB 1340981 A GB1340981 A GB 1340981A
Authority
GB
United Kingdom
Prior art keywords
focal plane
plane shutter
rollers
curtains
photographic camera
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
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PADALKO A Y KREOPALOV V I TIKH
Original Assignee
PADALKO A Y KREOPALOV V I TIKH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PADALKO A Y KREOPALOV V I TIKH filed Critical PADALKO A Y KREOPALOV V I TIKH
Publication of GB1340981A publication Critical patent/GB1340981A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/28—Roller blind or flexible plate
    • G03B9/32—Double blind
    • G03B9/34—Double blind with adjustable slot; with mechanism controlling relative movement of blinds to form slot
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)

Abstract

1340981 Focal plane shutter A Y PADALKO V I KREOPALOV S M TIKHOMIROV and N V ISAEV 11 Feb 1972 6491/72 Heading G2A The focal plane shutter of a reflex camera comprises opening and closing curtains 1 and 12 respectively each mounted on a pair of rollers 2, 4 and 13, 14, the winding spring roller 2 of the opening curtain being arranged between the film track aperture 6 and the view-finder eye-piece 8 and the winding spring roller 14 of the closing curtain being located on the side of the eye-piece remote from roller 2. Flexible ties 5 and 15 connect the curtains 1 and 12 to the rollers 2 and 14 respectively. These ties 5 and 15 are placed beyond the limits of the aperture 6 and outside the field of vision of the view-finder respectively. The curtains are tensioned against the pull of springs 3 and 16 by a winding mechanism 17 meshing with pinions 18 and 19 which are secured to the rollers 4 and 13 respectively.
GB1340981D 1972-02-11 1972-02-11 Focal plane shutter of photographic camera Expired GB1340981A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB649172 1972-02-11

Publications (1)

Publication Number Publication Date
GB1340981A true GB1340981A (en) 1973-12-19

Family

ID=9815475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1340981D Expired GB1340981A (en) 1972-02-11 1972-02-11 Focal plane shutter of photographic camera

Country Status (1)

Country Link
GB (1) GB1340981A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024554A (en) * 1974-10-03 1977-05-17 Copal Company Limited Focal plane for photographic cameras
GB2136978A (en) * 1983-03-21 1984-09-26 Haking W Ets Ltd Camera with Built-in Lens Cover Mechanism
GB2197494B (en) * 1985-12-10 1990-07-25 Sagatis Kiejstut Jan The auto-focus binocular (or non-binocular)viewfinder which may be attached to or built-in a camera directly or indirectly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024554A (en) * 1974-10-03 1977-05-17 Copal Company Limited Focal plane for photographic cameras
GB2136978A (en) * 1983-03-21 1984-09-26 Haking W Ets Ltd Camera with Built-in Lens Cover Mechanism
GB2197494B (en) * 1985-12-10 1990-07-25 Sagatis Kiejstut Jan The auto-focus binocular (or non-binocular)viewfinder which may be attached to or built-in a camera directly or indirectly

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee