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A register assembly for covering an air duct opening is comprised of a faceplate, a base, a damper mechanism and a filter frame that are easily assembled together. Most if not all of the component parts may be constructed of plastic reducing the manufacturing cost of the register assembly. The facep

A register assembly for covering an air duct opening is comprised of a faceplate, a base, a damper mechanism and a filter frame that are easily assembled together. Most if not all of the component parts may be constructed of plastic reducing the manufacturing cost of the register assembly. The faceplate can be snapped onto the base or manually removed from the base without the use of fasteners or tools. The faceplate is replaceable, allowing the use of various ornamental designs of the faceplate grid on the same base containing the damper mechanism and filter frame. The filter frame is easily removed from the base to allow replacement or cleaning of the filter materials supported in the frame.

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1. A register assembly for covering an air duct opening, the register assembly comprising:a base having a boxlike shape with a first pair of spaced, opposed sidewalls and a second pair of spaced, opposed sidewalls enclosing an interior of the base, the base having top and bottom openings providing a

1. A register assembly for covering an air duct opening, the register assembly comprising:a base having a boxlike shape with a first pair of spaced, opposed sidewalls and a second pair of spaced, opposed sidewalls enclosing an interior of the base, the base having top and bottom openings providing access to the base interior, one of the sidewalls having a filter slot therethrough; at least one damper is mounted on the base for movement of the damper between a closed position where the damper blocks a free flow of air through the base interior, and an open position where the damper does not block the free flow of air through the base interior; a faceplate removably attached to the base across the opening; a frame that is insertable into and removable from the filter slot; the frame has first and second frame sections, the first and second frame section each have a periphery defined by four borders that extend around at least one opening; a filter positioned between the first and second frame sections, the filter spanning across the openings of the first and second frame sections and being pressed between the four borders of the first and second frame sections; said register assembly covering an air duct opening in a room. 2. The register assembly of claim 1, wherein:the base has upper and lower shoulders in the base interior that engage against opposite sides of the filter inserted into the base filter slot and hold the filter in the base interior. 3. The register assembly of claim 1, wherein:at least a pair of dampers is mounted on the base and each of the dampers has a pair of stub shafts projecting from opposite ends of the damper and one of the pair of opposed sidewalls has pairs of holes therein, the stub shafts of the dampers are received in the holes mounting the dampers for pivoting movement between their closed and opened positions. 4. The register assembly of claim 3, wherein:the face plate has an actuator opening; one stub shaft of each of the dampers has an arm secured thereto, the arm extends to a distal end that is operatively connected to an actuator in the face plate actuator opening, where the operative connection of the arm to the actuator causes the stub shaft to move in a pivoting motion in response to the actuator being moved in a linear motion. 5. The register assembly of claim 1, wherein:the faceplate is removably attached to the base by snap-on fasteners on the faceplate and base. 6. The register assembly of claim 1, wherein:the first pair of sidewalls have top and bottom sections and the bottom sections are positioned inwardly of the top sections; the second pair of sidewall have top and bottom sections and the bottom sections are positioned inwardly of the top sections; and the base is one base of a pair of like bases where the pair of like bases, each without the damper, face plate, frame and filter assembled thereto, are nestable with the sidewall bottom sections of one base of the pair inserted through the base top opening and into the base interior inside the sidewall top sections of the other base of the pair. 7. The register assembly of claim 1, wherein:the filter is held taut across the openings of the first and second frame sections by the four borders of the first and second frame sections. 8. The register assembly of claim 7, wherein:a plurality of spines are arranged around the four borders of the first and second frame sections, the plurality of spines engage with the filter in holding the filter taut across the openings of the first and second frame sections. 9. The register assembly of claim 1, wherein:a border of the first frame section is hinged to a border of the second frame section. 10. The register assembly of claim 1, wherein:the base has an upper shoulder in its interior and a lower shoulder in its interior, the upper shoulder engages against one of the first and second frame sections and the lower shoulder engages against the other of the first and second frame sections and hold the frame in the base interior. 11. A register assembly for covering an air duct opening, the register assembly comprising:a base having at least one sidewall surrounding an interior of the base and having a top opening and a bottom opening to the base interior; a faceplate secured to the base over the top opening; a frame in the base interior, the frame having first and second sections that overlay each other, and a filter mounted in the frame between the frame first and second sections; the base has an upper shoulder in its interior and a lower shoulder in its interior, the upper shoulder engages against one of the first and second frame sections and the lower shoulder engages against the other of the first and second frame sections and hold the frame in the base interior; said register assembly covering an air duct opening in a room. 12. The register assembly of claim 11, wherein:the first and second sections of the frame are mirror images of each other. 13. The register assembly of claim 11, wherein:the first and second frame members are each rectangular and have four borders, ledges extend inwardly from the borders, and the filter is mounted within the borders of the first and second frame members and between the ledges of the first and second frame members. 14. The register assembly of claim 13, wherein:the ledges have a thickness and the borders have a thickness and the thickness of the borders is greater than the thickness of the ledges. 15. A register assembly for covering an air duct opening, the register assembly comprising:a base having at least one sidewall surrounding an interior of the base and having a top opening and a bottom opening to the base interior, the base sidewall having a slot through the sidewall to the base interior; a faceplate secured to the base over the top opening; a frame inserted through the slot into the base interior, the frame having first and second sections, each section having a rectangular border with a plurality of openings within the rectangular border, the first and second sections overlay each other with the borders of the first and second sections being congruent and the plurality of openings of the first and second sections being congruent; a filter mounted in the frame between the first and second sections; said register assembly covering an air duct opening in a room. 16. The register assembly of claim 15, wherein:a handle is provided as a portion of the frame border and is positioned adjacent the base slot in which the frame sections are received to facilitate insertion into and removal of the frame from the slot. 17. The register assembly of claim 15, wherein:the first and second sections of the frame are mirror images of each other. 18. The register assembly of claim 15, wherein:the first and second frame members are each rectangular and have four borders, ledges extend inwardly from the borders, and the filter is mounted within the borders of the first and second frame members and between the ledges of the first and second frame members. 19. The register assembly of claim 18, wherein:the ledges have a thickness and the borders have a thickness and the thickness of the borders is greater than the thickness of the ledges. 20. The register assembly of claim 15, wherein:handles are provided as portions of the borders of the first and second frame sections and the handles overlay each other and are positioned adjacent the base slot in which the frame sections are received to facilitate insertion into and removal of the frame from the slot.