Twin lens camera optical system adjustment module

Claim 2

An optical system module for use in a twin lens camera system, comprising: a pair of lens systems; a pivot shaft mounted between said lens systems and parallel thereto; a pair of iris blades, cross mounted on said pivot shaft for scissor adjustment to variably form an iris aperture in both of said lens systems; a first gear system coupled to said iris blades for accomplishing said adjustment; a filter disc, also mounted on said pivot shaft for rotation thereon between two positions at one of which a filter is inserted into both of said lens systems; a second gear system for rotating said filter disc; and an S shaped overcenter spring connected to snap and bias said filter disc into said two positions thereof.

Claim 3

A camera system comprising: a pair of optical systems each defining an optical path; means for forming an iris aperture in each of said optical paths, including a blade unit extending transversely of both of said optical paths; means for mounting said blade unit for adjustment to vary the size of both of said apertures by moving said blade to intercept said optical paths in accordance with said adjustment; means for selectively inserting light filter means simultaneously into both of said optical paths; said inserting means including a pivoted disc with a pair of filters therein, one such filter on each side of the pivot of said disc, along a diameter of said disc; and said inserting means further including an overcenter spring mounted generally radially on said disc for snapping and biasing said disc into position with said filters in said optical paths.

Claim 4

A camera system comprising: a pair of optical systems each defining an optical path; means for forming an iris aperture in each of said optical paths, including a blade unit extending transversely of both of said optical paths; means for mounting said blade unit for adjustment to vary the size of both of said apertures by moving said blade to intercept said optical paths in accordance with said adjustment; means for selectively inserting light filter means simultaneously into both of said optical paths; said inserting means including a pivoted disc with a pair of filters therein, one such filter on each side of the pivot of said disc, along a diameter of said disc; and said inserting means further including an overcenter spring mounted generally radially on said disc for snapping and biasing said disc into position with said filters in said optical paths.

Claim 5

A camera system according to claim 2, wherein: said blade unit is a pair of crossed blades; and said mounting means is a pivot in the area of intersection of said crossed blades.

Claim 6

A camera system according to claim 2, wherein: said blade mounting means is a pivot; and means is provided for accomplishing said adjustment by engaging a peripheral portion of said blade unit to move at least a part of said blade unit about said pivot.

Claim 7

A camera system according to claim 2, wherein: said blade unit mounting is a pivot; and means is provided for accomplishing said adjustment, including a gear tooth form of coupling with a peripheral portion of said blade unit.

Claim 8

A camera system according to claim 2, wherein: said blade unit is a pair of crossed blades; said mounting means is a pivot in the area of intersection of said crossed blades; and said crossed blades are essentially identical with each other.

Claim 9

A camera system according to claim 2, wherein: said blade unit is a pair of crossed blades; said mounting means is a pivot in the area of intersection of said crossed blades; said crossed blades are essentially identical with each other; and each of said blades having two edge cut out forms as part of said iris apertures, and peripheral gear formation as part of means for accomplishing said movement of said blade unit.

Claim 10

A camera system according to claim 2, wherein: said blade unit is a pair of crossed blades; said mounting means is a pivot in the area of intersection of said crossed blades; said crossed blades are essentially identical with each other; each of said blades having a circular body centered at said pivot, a gear form on the circle periphery and a pair of extensions one at each end of a diameter of said body; each of said extensions having an edge cut out form as part of one of said iris apertures; and said cut out forms opening laterally from said diameter, on opposite sides of said diameter, and oppositely with respect to each other.

Claim 11

A camera system according to claim 2, wherein: said blade unit is a pair of crossed blades; said mounting means is a pivot in the area of intersection of said crossed blades; said crossed blades are essentially identical with each other; each of said blades having a circular body centered at said pivot, a pair of gear forms on the circle periphery, one such gear form at each end of a first diameter of said body, and a pair of extensions one at each end of a second diameter of said body; each of said extensions having an edgE cut out form as part of one of said iris apertures; and said cut out forms opening laterally from said diameter, on opposite sides of said diameter, and oppositely with respect to each other.

Claim 12

A camera system comprising: a pair of optical systems, each defining an optical path; and means for selectively inserting light filter means simultaneously into both of said optical paths; said inserting means including a pivoted disc with a pair of filters therein, one such filter on each side of the pivot of said disc, along a diameter of said disc; and said inserting means further including an overcenter spring mounted generally radially on said disc for snapping and biasing said disc into position with said filters in said optical paths.

Claim 13

A camera system comprising: a pair of optical systems, each defining an optical path; and means for selectively inserting light filter means simultaneously into both of said optical paths; said inserting means including a pivoted disc with a pair of filters therein, one such filter on each side of the pivot of said disc, along a diameter of said disc; and said inserting means further including an overcenter spring mounted generally radially on said disc for snapping and biasing said disc into position with said filters in said optical paths.

Claim 14

A camera system comprising: a pair of optical systems, each defining and optical path; and means for selectively inserting light filter means simultaneously into both of said optical paths; said inserting means including a pivoted disc with a pair of filters therein, one such filter on each side of the pivot of said disc, along a diameter of said disc; said inserting means additionally comprising an overcenter spring; said spring having one end secured to a fixed stop on a radius of said disc and outwardly beyond said disc, and the other end secured to said disc at a point spaced from said disc pivot.

Claim 15

A camera system comprising: a pair of optical systems, each defining and optical path; and means for selectively inserting light filter means simultaneously into both of said optical paths; said inserting means including a pivoted disc with a pair of filters therein, one such filter on each side of the pivot of said disc, along a diameter of said disc; said inserting means additionally comprising an overcenter spring; said spring having one end secured to a fixed stop on a radius of said disc and outwardly beyond said disc, and the other end secured to said disc at a point spaced from said disc pivot.

Claim 16

A camera system comprising: a pair of optical systems, each defining an optical path; and means for selectively inserting light filter means simultaneously into both of said optical paths; said inserting means including a pivoted disc with a pair of filters therein, one such filter on each side of the pivot of said disc, along a diameter of said disc; said inserting means additionally comprising: an overcenter spring as a part of said inserting means; said spring being mounted generally radially on said disc for snapping and biasing said disc into position with said filters in said optical paths; and said spring, in unattached and at rest condition having a shape generally in the form of an S.

Claim 17

A camera system comprising: a pair of optical systems, each defining an optical path; and means for selectively inserting light filter means simultaneously into both of said optical paths; said inserting means including a pivoted disc with a pair of filters therein, one such filter on each side of the pivot of said disc, along a diameter of said disc; said inserting means additionally comprising: an overcenter spring as a part of said inserting means; said spring being mounted generally radially on said disc for snapping and biasing said disc into position with said filters in said optical paths; and said spring, in unattached and at rest condition having a shape generally in the form of an S.