Class 396/487 - Having plate support detail

Subclass of Class 396 - Photography
Definition: Subject matter including specific structure of an elongated
No. of patents: 30
Last issue date: 05/08/2007

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Number	Title	Issue Date
7213983	Sector drive apparatus for use in optical apparatus A sector drive apparatus for use in an optical apparatus, the sector drive apparatus includes a sector having a first engagement opening engaged with an operation member that reciprocates in a given range and a second engagement opening engaged with a spindle fixed ...	05/08/2007
7212244	Focal plane shutter apparatus A focal plane shutter apparatus is constructed by a light shielding blade, a fitting pin attached to the blade and an arm which is slidably engaged with the fitting pin to open or close the blade. A surface hardness of the fitting pin is higher than that of the arm....	05/01/2007
6850281	Focal-plane shutter for digital still cameras A focal-plane shutter for digital still cameras is constructed so that a first driving member for a first blade connected to the first blade is biased by a cocking spring to rotate clockwise and a second driving member for the first blade is biased by a driving spri...	02/01/2005
6817787	Shutter apparatus and camera The present invention discloses a shutter apparatus including a base plate, a plurality of blades which run between a superposed state and a spread state for opening and closing a shutter aperture and two arms, each of the arms pivotably supported on the base plate....	11/16/2004
6805500	Focal-plane shutter for cameras A focal-plane shutter for cameras is constructed so that the second blade group is placed in a blade chamber on the shutter base plate side and the first blade group is placed in a blade chamber on the auxiliary base plate side. The auxiliary base plate is placed on...	10/19/2004
6776540	Shutter device A shutter device of the invention includes: a shutter base plate having a shutter opening; a first arm member which rotates with a first shaft as a rotation center relative to the shutter base plate; a second arm member which rotates with a second shaft as a rotatio...	08/17/2004
6726381	Focal-plane shutter for cameras A focal-plane shutter for a camera is provided with two blade chambers into which a space between two base plates is partitioned by an intermediate plate having an aperture for exposure. A shutter blade group placed in each of the blade chambers is constructed with ...	04/27/2004
6350069	Focal-plane shutter for camera To prevent a front end of a slit forming sector of one of an open shutter sector group and a close shutter sector group from colliding with an upper edge portion of a partition opening of a partition plate and preventing leakage of light, a partition plat...	02/26/2002
5997188	Plane shutter A focal plane shutter has a base plate provided with a shutter opening, opening and closing sector groups each having a plurality of sectors, and a plurality of arms each having one end pivotally supported on the base plate so as to pivotally connect and ...	12/07/1999
5875368	Focal plane shutter device A focal plane shutter device which, regardless of the number of times of operation, does not lose precision of operation. The shutter device has bend portions disposed in drive arms which drive shutter blades. The convex portions of the bend portions (rid...	02/23/1999
5828920	Translational electromagnetic camera shutter for variable aperture applications A shutter is disclosed having a shutter blade frame comprised of two spaced apart rails, each rail incorporating at least one magnet section. Individual pairs of electromagnets are positioned for movement along the rails. At least one shutter blade, havin...	10/27/1998
5826124	Focal plane shutter A focal plane shutter comprises a base plate having a shutter opening, at least one shutter sector group having sectors, and arms pivotally connected to and supporting the sectors for displacing the sectors relative to the shutter opening. At least a firs...	10/20/1998
5371564	Shutter device in a camera A camera shutter device having a charging rotation axis mounted to the camera body rather than mounted to the shutter base. A charging force of a shutter charging mechanism is transmitted through a linkage lever rotatably supported by to charging rotation...	12/06/1994
5214463	Focal plane shutter A focal plane shutter has at least one shutter blade group comprised of a leading blade and a set of trailing blades. A first parallel link mechanism is pivotally connected at two spaced locations to the leading blade to effect displacement of the leading...	05/25/1993
5040008	Focal-plane shutter A focal-plane shutter for a camera includes two shutter blades each of which comprises two opaque plates. At least one of the two plates has a slit and is held at two points by two arms such that the plates move like a pantograph. The arms are pivotally m...	08/13/1991
4954860	Focal-plane shutter A focal-plane shutter for a camera includes two shutter blades each of which comprises two opaque plates. At least one of the two plates has a slit and is held at two points by two arms such that the plates move like a pantograph. The arms are pivotally m...	09/04/1990
4825236	Shutter for camera A shutter for a camera including a plurality of successively overlapping light shielding blades and a plurality of driving arms for holding and driving said blades to produce linked parallel movements of said blades, in which at least one hole is formed i...	04/25/1989
4714336	Focal plane shutter for cameras A focal plane shutter for cameras wherein a plurality of shutter blades to open and close an exposure aperture are shared and pivoted by three arms pivoted on a base plate to secure an excellent durability even for a high speed operation. One of the three...	12/22/1987
4560265	Blade type focal plane shutter A blade type focal plane shutter in which a number of shutter blades are mounted for parallel-linked movements by two operating arms, the system for supporting the blades reducing the size of the shutter and one end of a first auxiliary blade succeeding a...	12/24/1985
4426146	Focal-plane leaf shutter A focal-plane leaf shutter for photographic cameras, comprises an opening group of leaves and a closing group of leaves, each group having a main leaf which forms a parallelogram linkage with a pair of carrier levers, and secondary leaves. The main leaves...	01/17/1984
4382670	Focal plane shutter blade arrangement Disclosed is a focal plane shutter for a camera having a shutter blade group consisting of a plural number of light shading thin plates held with two arms, so designed that the slit forming blade positioned at the end of the arm and a light shading auxili...	05/10/1983
4295726	Blade type focal plane shutter A blade type focal plane shutter comprising a plurality of auxiliary shutter blades which are pivoted on the side of an exposure aperture and can move between the unfolded position and folded position, a main shutter blade for forming an exposure slit whi...	10/20/1981
4227793	Blade type focal plane shutter A blade type focal plane shutter comprising a plurality of auxiliary shutter blades rotatably supported on a common shaft and movable between an unfolded position and a folded position, a main shutter blade for forming an exposure slit and a blade support...	10/14/1980
4162840	Focal plane shutter A focal plane shutter comprising a pair of upper arms rotatably supported on a shutter base plate and arranged with a spacing between them, a pair of lower arms overlapped respectively on said pair of upper arms with a spacing, three main shutter blades r...	07/31/1979
4141638	Focal plane shutter A focal plane shutter comprising a pair of upper arms rotatably supported on a shutter base plate, a pair of lower arms provided as opposed to the respective upper arms so as to be rotatable concentrially respectively with the pair of upper arms and a plu...	02/27/1979
4063262	Shutter blade assembly for focal plane shutters A shutter blade assembly wherein, in order to make the dimension of the focal plane shutter as small as possible, particularly in the vertical direction, a substantially rectangular main shutter blade for forming an exposure slit is pivotally connected at...	12/13/1977
4051502	Multiple element focal plane shutter for photographic cameras Two sets of lamellas are moved across the image aperture in a photographic cameras, whereby the lamellas of each set move in different but parallel planes. Each lamella is coupled to a crank pin and the pins are, on the one hand, guided for movement in pa...	09/27/1977
4024555	Focal plane shutter for cameras A focal plane shutter for cameras comprising two sets of shutter blades each of which comprises a plural number of opaque thin plates supported by two supporting arms, a partition plate for separating said two sets of shutter blades from each other, a pai...	05/17/1977
4005462	Double slide focal plane shutter Each slide is comprised of an exposure slit defining lamella moved on parallel swinging arms in front of the image aperture, whereby the arms overlap each other in part, as well as the lamella to provide additionally shutter functions for covering portion...	01/25/1977
3988754	Fast operating slit shutter camera This invention is directed to a photographic camera having a slit shutter which utilizes two cover systems which operate above the plane of the image. These systems are movable perpendicularly to the direction of movement of the film within the camera. Ea...	10/26/1976

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Class 396/487 - Having plate support detail