Aperture forming drive mechanism

Claim 1

A DEVICE FOR FORMING AN APERTURE OF A PARTICULAR SIZE AND MOVING SAID APERTURE TO DIFFERENT POSITIONS WHILE MAINTAINING THE SAME APERTURE DIMENSIONS WHICH COMPRISES A HORIZONTAL DRIVE SHAFT MEANS COMPRISING FIRST AND SECOND AXIALLY ALIGNED DRIVE SECTIONS, A COUPLING CONNECTING SAID AXIALLY ALIGNED DRIVE SECTIONS WITH SAID FIRST DRIVE SECTION AXIALLY MOVABLE RELATIVE TO SAID COUPLING AND SAID SECOND DRIVE SECTION, SAID COUPLING INCLUDING A DETENT MECHANISM ASSOCIATED WITH SAID FIRST DRIVE SECTION FOR SECURING SAIR FIRS TDRIVE SECTION IN ONE OF TWO AXIAL POSITIONS, A DRIVE GEAR SECURED TO SAID SECOND DRIVE SECTION OF SAID DRIVE SHAFT MEANS, A PAIR OF SPACED DRIVE GEARS SECURED TO SAID FIRST DRIVE SECTION WITH THE DRIVE TEETH ON SAID SPACED DRIVE GEARS FACING EACH OTHER, FIRST AND SECOND VERTICAL PARALLEL DRIVEN SCREWS POSITIONED AT RIGHT ANGLES TO SAID HORIZONTAL DRIVE SHAFT MEANS, A DRIVEN GEAR SECURED TO EACH OF SAID PARALLEL DRIVEN SCREWS, SAID DRIVEN GEAR ON SAID FIRST DRIVEN SCREW BEING POSITIONED BETWEEN SAID PAIR OF DRIVE GEARS ON SAID FIRST DRIVE SECTION OF SAID DRIVE SHAFT MEANS IN DRIVING CONTACT WITH ONE GEAR OF SAID PAIR, SAID DRIVEN GEAR ON SAID SECOND SCREW BEING POSITIONED IN DRIVING ENGAGEMENT WITH SAID DRIVEN GEAR ON SAID SECOND DRIVE SECTION OF SAID DRIVE SHAFT MEANS, A VERTICAL DRIVE SHAFT MEANS SIMILAR TO SAID HORIZONTAL DRIVE SHAFT MEANS ADAPTED TO DRIVE FIRST AND SECOND VERTICAL DRIVE SHAFT SIMILAR TO SAID FIRST AND SECOND VERTICAL PARALLEL DRIVEN SCREWS, EACH OF SAID HORIZONTAL AND VERTICAL DRIVE SHAFT MEANS ADAPTED TO RESPECTIVELY DRIVE SAID FIRST AND SECOND DRIVEN SCREWS ASSOCIATED THEREWITH IN OPPOSITE DIRECTIONAL ROTATION WHEN SAID FIRST DRIVE SECTION OF EACH RESPECTIVE DRIVE SHAFT MEANS IS IN ONE POSITION AND ADAPTED TO DRIVE SAID FIRST AND SECOND DRIVEN SCREWS RESPECTIVELY IN THE SAME ROTATIONAL DIRECTION WHEN SAID FIRST SECTION OF EACH RESPEC TIVE DRIVE SHAFT IS IN THE OTHER OF SAID TWO AXIAL POSITIONS, A PAIR OF HORIZONTAL SLIT FORMING MEANS SECURED RELATIVE TO SAID FIRST AND SECOND VERTICAL DRIVEN SCREWS IN PARALLELISM RELATIVE TO EACH OTHER AND ADAPTED TO BE DRIVEN IN OPPOSITE DIRECTIONS RELATIVE TO EACH OTHER BY AND ALONG SAID FIRST AND SECOND VERTICAL DRIVEN SCREWS WHEN DRIVEN BY SAID HORIZONTAL DRIVE SHAFT MEANS AND A PAIR OF VERTICAL SLIT FORMING MEANS SECURED RELATIVE TO SAID FIRST AND SECOND HORIZONTAL DRIVEN SCREWS IN PARALLELISM RELATIVE TO EACH OTHER AND ADAPTED TO BE DRIVEN IN OPPOSITE DIRECTIONS RELATIVE TO EACH OTHER BY AND ALONG SAID FIRST AND SECOND HORIZONTAL DRIVEN SCREWS WHEN DRIVEN BY SAID VERTICAL DRIVE SHAFT MEANS.

Claim 2

A DEVICE FOR FORMING AN APERTURE OF A PARTICULAR SIZE AND MOVING SAID APERTURE TO DIFFERENT POSITIONS WHILE MAINTAINING THE SAME APERTURE DIMENSIONS WHICH COMPRISES A HORIZONTAL DRIVE SHAFT MEANS COMPRISING FIRST AND SECOND AXIALLY ALIGNED DRIVE SECTIONS, A COUPLING CONNECTING SAID AXIALLY ALIGNED DRIVE SECTIONS WITH SAID FIRST DRIVE SECTION AXIALLY MOVABLE RELATIVE TO SAID COUPLING AND SAID SECOND DRIVE SECTION, SAID COUPLING INCLUDING A DETENT MECHANISM ASSOCIATED WITH SAID FIRST DRIVE SECTION FOR SECURING SAIR FIRS TDRIVE SECTION IN ONE OF TWO AXIAL POSITIONS, A DRIVE GEAR SECURED TO SAID SECOND DRIVE SECTION OF SAID DRIVE SHAFT MEANS, A PAIR OF SPACED DRIVE GEARS SECURED TO SAID FIRST DRIVE SECTION WITH THE DRIVE TEETH ON SAID SPACED DRIVE GEARS FACING EACH OTHER, FIRST AND SECOND VERTICAL PARALLEL DRIVEN SCREWS POSITIONED AT RIGHT ANGLES TO SAID HORIZONTAL DRIVE SHAFT MEANS, A DRIVEN GEAR SECURED TO EACH OF SAID PARALLEL DRIVEN SCREWS, SAID DRIVEN GEAR ON SAID FIRST DRIVEN SCREW BEING POSITIONED BETWEEN SAID PAIR OF DRIVE GEARS ON SAID FIRST DRIVE SECTION OF SAID DRIVE SHAFT MEANS IN DRIVING CONTACT WITH ONE GEAR OF SAID PAIR, SAID DRIVEN GEAR ON SAID SECOND SCREW BEING POSITIONED IN DRIVING ENGAGEMENT WITH SAID DRIVEN GEAR ON SAID SECOND DRIVE SECTION OF SAID DRIVE SHAFT MEANS, A VERTICAL DRIVE SHAFT MEANS SIMILAR TO SAID HORIZONTAL DRIVE SHAFT MEANS ADAPTED TO DRIVE FIRST AND SECOND VERTICAL DRIVE SHAFT SIMILAR TO SAID FIRST AND SECOND VERTICAL PARALLEL DRIVEN SCREWS, EACH OF SAID HORIZONTAL AND VERTICAL DRIVE SHAFT MEANS ADAPTED TO RESPECTIVELY DRIVE SAID FIRST AND SECOND DRIVEN SCREWS ASSOCIATED THEREWITH IN OPPOSITE DIRECTIONAL ROTATION WHEN SAID FIRST DRIVE SECTION OF EACH RESPECTIVE DRIVE SHAFT MEANS IS IN ONE POSITION AND ADAPTED TO DRIVE SAID FIRST AND SECOND DRIVEN SCREWS RESPECTIVELY IN THE SAME ROTATIONAL DIRECTION WHEN SAID FIRST SECTION OF EACH RESPEC TIVE DRIVE SHAFT IS IN THE OTHER OF SAID TWO AXIAL POSITIONS, A PAIR OF HORIZONTAL SLIT FORMING MEANS SECURED RELATIVE TO SAID FIRST AND SECOND VERTICAL DRIVEN SCREWS IN PARALLELISM RELATIVE TO EACH OTHER AND ADAPTED TO BE DRIVEN IN OPPOSITE DIRECTIONS RELATIVE TO EACH OTHER BY AND ALONG SAID FIRST AND SECOND VERTICAL DRIVEN SCREWS WHEN DRIVEN BY SAID HORIZONTAL DRIVE SHAFT MEANS AND A PAIR OF VERTICAL SLIT FORMING MEANS SECURED RELATIVE TO SAID FIRST AND SECOND HORIZONTAL DRIVEN SCREWS IN PARALLELISM RELATIVE TO EACH OTHER AND ADAPTED TO BE DRIVEN IN OPPOSITE DIRECTIONS RELATIVE TO EACH OTHER BY AND ALONG SAID FIRST AND SECOND HORIZONTAL DRIVEN SCREWS WHEN DRIVEN BY SAID VERTICAL DRIVE SHAFT MEANS.