1. A pass-through apparatus for screens, comprising:
a first plate having a first central opening therethrough with a first diameter, with a plurality of male members each with enlarged head portions protruding from one side of the first plate, the first plate being placed against one side of a screen;
a second plate having a second central opening therethrough with a second diameter, with a plurality of female openings about perimeter edges of the second plate, the second plate being placed on an opposite side of the screen with the screen sandwiched between the first plate and the second plate, and wherein the enlarged head members of each of the plurality of male members is snapably received within each of the plurality of female openings, forming a uniform seal about perimeter edges of the plates to the screen;
a protruding narrow width ring portion that protrudes into the first central opening and the second central opening, the narrow width ring portion having a ring opening therethrough with a ring opening diameter, wherein the ring opening diameter having a smaller opening diameter than both the first diameter of the first central opening and the second diameter of the second central opening;
a grommet having a first side ring, a second side ring, and a U-shaped groove between the first side ring and the second side ring, wherein the U-shaped groove fits about a perimeter edge of the protruding narrow width ring portion; and
an opening in the screen for allowing the first central opening of the first plate to be aligned with the second central opening of the second plate, wherein the first side ring and the second side ring are sandwiching about perimeter edges of the opening in the screen, so that an elongated member passes from one side of the screen through another other side of the screen.
2. The pass-through apparatus of claim 1, wherein the elongated member includes:
a garden hose.
3. The pass-through apparatus of claim 1, wherein the elongated member includes:
an electrical conduit.
4. The pass-through apparatus of claim 1, wherein the elongated member is selected from the group consisting of a telephone line and a cable line.
5. The pass-through apparatus of claim 1, further comprising:
a connector having first end with a threaded interior cavity walls, and a second end with a threaded exterior surface, and an enlarged mid-portion therebetween; and
a nut with a threaded interior, wherein the threaded exterior surface of the second end protrudes through the opening in the screen and is held to the first and the second plates by the nut screwed about the threaded exterior surface of the second end of the connector, and wherein the elongated member passes through the connector, so that hoses are attachable to both ends of the connector.
6. The pass-through apparatus of claim 5, further comprising:
a plug having a protruding portion with an exterior threaded surface for mateably being received within the threaded interior cavity walls of the first end of the connector.
7. The pass-through apparatus of claim 1, wherein the plurality of male members and the plurality of female openings consist of:
solely four male members each about corners of the first plate; and
solely four female members. each about corners of the second plate.
8. The pass-through apparatus of claim 1, wherein the first plate includes an inwardly extending cylindrical portion with grooves on an end face of the cylindrical portion, the cylindrical portion forming the first central opening, and the second plate includes an inwardly facing raised ring edge which forms the second central opening, and the cylindrical portion of the first plate is shaped to wrap about the inwardly facing raised ring edge of the second plate.
9. The pass-through apparatus of claim 8, wherein the second plate includes a cross pattern of inwardly facing strengthening ribs, and the cut out grooves on the first plate receive portions of the strengthening ribs.
10. A method of forming a pass-through connector through a screen, comprising the steps of:
providing a screened wall that separates an interior space from an outdoor space;
providing a first plate having a first central opening having a first diameter, with a plurality of male members each with enlarged head portions protruding from one side of the first plate;
providing a second plate having a second central opening having a second diameter, with a plurality of female openings about perimeter edges of the second plate;
providing a protruding narrow width ring portion that protrudes into the first central opening and the second central opening, the narrow width ring portion having a ring opening therethrough with a ring opening diameter, the ring opening diameter having a smaller diameter than both the first diameter of the first central opening and the second diameter of the second central opening;
providing a grommet having a first side ring, a second side ring, and a U-shaped groove between the first side ring and the second side ring;
positioning the first plate against one side of a screen so that the male members protrude through the screen;
positioning the second plate on an opposite side of the screen from the first plate so that the female openings are aligned with the male members;
pushing the male members into the female openings until all of the male members are snapably received within all of the female members;
forming an opening in the screen through the central openings of the first plate and the second plate;
sandwiching perimeter edges of the opening in the screen with the first side ring and the second side ring of the grommet;
fitting the U-shaped groove of the grommet about a perimeter edge of the protruding narrow width ring portion that protrudes into the first central opening and the second central opening, and
passing an elongated member through the opening in the screen so that the elongated member has portions located on both the interior space and the exterior space.
11. The method of claim 10, further comprising the step of:
reducing the diameter of the central openings in the first plate and the second plate with a diameter reducing member, so that a smaller diameter elongated member can be sealingly positioned in the central openings of the first and the second plates.
12. The method of claim 11, wherein the step of reducing the diameter includes the step of:
providing a connector having first end with a threaded interior cavity walls, and a second end with a threaded exterior surface, and an enlarged mid-portion therebetween;
providing a nut with a threaded interior;
positioning the connector so that the threaded exterior surface of the second end protrudes through the opening in the screen; and
attaching the connector to the first and the second plates by the nut screwed about the threaded exterior surface of the second end of the connector; and
passing the smaller diameter elongated member through the connector.
13. The method of claim 11, wherein the smaller diameter elongated member is an electrical cord.
14. The method of claim 11, wherein the smaller diameter elongated member is a hose.
15. The method of claim 11, wherein the smaller diameter elongated member is selected from the group consisting of a telephone line and a cable line.
16. The method of claim 11, further comprising the steps of:
providing the first plate with an inwardly extending cylindrical portion having grooves on an end face of the cylindrical portion;
providing the second plate with an inwardly facing raised ring edge; and
wrapping the cylindrical portion of the first plate about the inwardly facing raised ring edge of the second plate.
17. The method of claim 16, further comprising the steps of:
providing the second plate with a cross pattern of inwardly facing strengthening ribs; and
receiving portions of the strengthening ribs on the second plate within the cut out grooves on the first plate.
18. The pass-through apparatus of claim 10, further comprising the steps of:
providing a plug with a protruding portion having a threaded surface; and
screwing the protruding portion of the plug into the threaded interior cavity walls of the first end of the connector; and
plugging up the central openings in both the first plate and the second plate with the plug.
19. The method of claim 10, wherein the steps of providing the providing the plurality of the male members and the step of providing the plurality of the female members include the steps of:
solely providing four male members each about corners of the first plate;
solely providing four female members. each about corners of the second plate; and
sealing all the corners of the first plate to all the corners of the second plate only with the four male members and the four female members.
20. A pass-through apparatus for screens, comprising:
a first plate having a first central opening therethrough with a first diameter, with a plurality of male members protruding from one side of the first plate, the first plate being placed against one side of a screen;
a second plate having a second central opening therethrough with a second diameter, with a plurality of female openings about perimeter edges of the second plate, the second plate being placed on an opposite side of the screen with the screen sandwiched between the first plate and the second plate, and wherein the plurality of male members is attached within each of the plurality of female openings, forming a seal about perimeter edges of the plates to the screen;
a protruding narrow width ring portion that protrudes into the first central opening and the second central opening, the narrow width ring portion having a ring opening therethrough with a ring opening diameter, wherein the ring opening diameter having a smaller opening diameter than both the first diameter of the first central opening and the second diameter of the second central opening;
a grommet having a first side ring, a second side ring, and a U-shaped groove between the first side ring and the second side ring, wherein the U-shaped groove fits about a perimeter edge of the protruding narrow width ring portion;
an opening in the screen for allowing the first central opening of the first plate to be aligned with the second central opening of the second plate, wherein the first side ring and the second side ring are sandwiching about perimeter edges of the opening in the screen, so that an elongated member passes from one side of the screen through another other side of the screen;
an inwardly extending cylindrical portion on the first plate with grooves on an end face of the cylindrical portion, the cylindrical portion forming the first central opening;
an inwardly facing raised ring edge on the second plate which forms the second central opening, and the cylindrical portion of the first plate is shaped to wrap about the inwardly facing raised ring edge of the second plate; and
a cross pattern of inwardly facing strengthening ribs on the second plate, wherein the cut out grooves on the first plate receive portions of the strengthening ribs.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A bi-directional optical transmitting and receiving apparatus comprising:
a package having a cavity and allowing a plurality of lead wires to pass therethrough;
a platform mounted on the package such that the cavity is completely covered, and including a through hole formed above the cavity and having sloped surfaces;
a reception unit mounted within the cavity and generating an electrical signal corresponding to input light made incident to the cavity through the through hole and outputting the generated electrical signal to at least one of the plurality of lead wires;
a transmission unit mounted on the platform such that the transmission unit is placed in a region in which the through hole is not formed, and generating output light according to an electrical signal transmitted through at least one of the plurality of lead wires; and
a wavelength division multiplexing (WDM) filter mounted on the platform such that the WDM filter is placed above the through hole to transfer the output light toward an optical fiber and the input light toward the through hole,
wherein a portion of the plurality of lead wires is positioned within the cavity.
2. The bi-directional optical transmitting and receiving apparatus of claim 1, wherein the sloped surfaces reflect the entirety of input light made incident through the through hole toward the cavity.
3. The bi-directional optical transmitting and receiving apparatus of claim 1, further comprising a spherical or hemispherical lens positioned below the WDM filter to reduce a beam diameter of the input light transferred through the WDM filter.
4. The bi-directional optical transmitting and receiving apparatus of claim 3, wherein the WDM filter is passively mounted by aligning the center of an active region of a light receiving element of the reception unit and the center of the spherical or hemispherical lens.
5. The bi-directional optical transmitting and receiving apparatus of claim 4, wherein the platform further comprises an alignment mark allowing the WDM filter to be passively aligned to be mounted.
6. The bi-directional optical transmitting and receiving apparatus of claim 1, further comprising a focusing lens positioned between the WDM filter and the optical fiber to focus light output from the transmission unit on the optical fiber.
7. The bi-directional optical transmitting and receiving apparatus of claim 6, wherein the platform further comprises a V recess inducing passive alignment of the focusing lens.
8. The bi-directional optical transmitting and receiving apparatus of claim 1, further comprising an optical lens positioned between the WDM filter and the light source to reduce a divergence angle of light to allow light to be transferred to the WDM filter.
9. The bi-directional optical transmitting and receiving apparatus of claim 8, further comprising an optical isolator positioned between the WDM filter and the optical lens to only allow the output light to be transferred to the WDM filter.
10. The bi-directional optical transmitting and receiving apparatus of claim 1, further comprising a focusing lens positioned between the transmission unit and the WDM filter to focus light output from the transmission unit on the optical fiber.
11. The bi-directional optical transmitting and receiving apparatus of claim 10, further comprising an optical isolator positioned between the focusing lens and the WDM filter to only allow light output from the transmission unit to be transferred to the WDM filter.
12. The bi-directional optical transmitting and receiving apparatus of claim 10, wherein the platform further comprises a V recess inducing passive alignment of the focusing lens.
13. The bi-directional optical transmitting and receiving apparatus of claim 1, further comprising a collimating lens positioned between the transmission unit and the WDM filter to collimate light output from the transmission unit to the optical fiber.
14. The bi-directional optical transmitting and receiving apparatus of claim 13, further comprising: a focusing lens positioned between the WDM filter and the optical fiber to focus light collimated by the collimating lens on the optical fiber.
15. The bi-directional optical transmitting and receiving apparatus of claim 14, wherein the platform further comprises a V recess inducing passive alignment of the focusing lens or collimating lens.
16. The bi-directional optical transmitting and receiving apparatus of claim 13, further comprising an optical isolator positioned between the collimating lens and the WDM filter to only allow light output from the transmission unit to be transferred to the WDM filter.
17. The bi-directional optical transmitting and receiving apparatus of claim 13, wherein the platform further comprises a V recess inducing passive alignment of the collimating lens.
18. A bi-directional optical transmitting and receiving apparatus comprising:
a package having a cavity and allowing a plurality of lead wires to pass therethrough;
a platform mounted on the package such that the cavity is completely covered, and including a through hole formed above the cavity and having sloped surfaces;
a reception unit mounted within the cavity and generating an electrical signal corresponding to input light made incident to the cavity through the through hole and outputting the generated electrical signal to at least one of the plurality of lead wires;
a transmission unit mounted on the platform such that the transmission unit is placed in a region in which the through hole is not formed, and generating output light according to an electrical signal transmitted through at least one of the plurality of lead wires; and
a wavelength division multiplexing (WDM) filter mounted on the platform such that the WDM filter is placed above the through hole to transfer the output light toward an optical fiber and the input light toward the through hole,
wherein the platform further comprises an electrode formed across the entire bottom surface of the platform, excluding the through hole, to reduce electrical crosstalk between the reception unit and the transmission unit.
19. The bi-directional optical transmitting and receiving apparatus comprising:
a package having a cavity and allowing a plurality of lead wires to pass therethrough;
a platform mounted on the package to cover the cavity, the platform having a closed loop shape including a through hole which is formed above the cavity and has sloped surfaces, wherein, when taken from a plan view, the entire through hole is embedded within an outer periphery of the cavity;
a reception unit mounted within the cavity and generating an electrical signal corresponding to input light made incident to the cavity through the through hole and outputting the generating electrical signal to at least one of the plurality of lead wires;
a transmission unit mounted on the platform such that the transmission unit is placed in a region in which the through hole is not formed, and generating output light according to an electrical signal transmitted through at least one of the plurality of lead wires, and
a wavelength division multiplexing (WDM) filter mounted on the platform such that the WDM filter is placed above the through hole to transfer the output light toward an optical fiber and the input light toward the through hole.