Fenestration member sealing system

Abstract

The system includes a gear mounted for rotation relative to the fenestration member. A mechanical linkage connects the latch control member and the gear such that the gear is rotated from a first position, where the latch is disengaged, to a second position as the latch is moved to engage the fenestration member frame. A rack in engagement with the gear is mounted to a first bar for linear movement in a given direction as the gear is rotated. A first triangular member moves with the rack. A second triangular member attached to a second bar cooperates with the first triangular member to move the second bar in a direction substantially perpendicular to the direction of rack movement. A gasket moves with the second bar to a position abutting the adjacent surface to automatically seal the member to the adjacent surface as the member is latched.

Claims

1. A system for automatically sealing a fenestration member to an adjacent surface, the fenestration member having a moveable latch configured to engage a frame surrounding the fenestration member, the system comprising: a gear rotatably mounted to the fenestration member; a latch control member connected to the gear by a mechanical linkage, the mechanical linkage being pivotably connected to the gear, the latch control member and mechanical linkage being disposed proximate to a first edge of the fenestration member, wherein the latch control member is configured to rotate from a first position to disengage the movable latch from the frame to a second position to engage the movable latch with the frame, wherein rotation of the latch control member causes the mechanical linkage to transmit force to cause rotation of the gear; a rack engaged with the gear and mounted to a first bar, the first bar being configured to translate in a first direction parallel to a second edge of the fenestration member in response to rotation of the gear, the second edge being perpendicular to the first edge; a first triangular member mounted on the first bar to translate with the first bar in the first direction; a second bar extending parallel to the second edge of the fenestration member and moveable in a second direction perpendicular to the first direction; a second triangular member mounted on the second bar in a position engageable with the first triangular member, wherein in response to movement of the first bar in the first direction, engagement of the first triangular member with the second triangular member causes movement of the second bar in the second direction; and a gasket mounted to move with the second bar, wherein the gasket is configured to seal the second edge of the fenestration member to the adjacent surface when the latch control member is in the second position.

2. The system of claim 1 wherein the first triangular member comprises a first inclined surface and the second triangular member comprises a second inclined surface, the first and second inclined surfaces being in complementary engagement with each other.

3. The system of claim 2 wherein the first inclined surface and the second inclined surface cooperate to move the gasket toward and away from the second edge.

4. The system of claim 1 further comprising a spring operably coupling the first bar and the second bar, wherein the spring urges the first triangular member and the second triangular member toward each other.

5. The system of claim 1 further comprising means for preventing the gasket from moving in the first direction.

6. The system of claim 1, further comprising one or more springs connecting a second bar to the fenestration member at a location proximate the second edge of the fenestration member, the one or more springs exerting a force to urge the second bar in a direction toward the first bar.

7. The system of claim 1 further comprising means for preventing the second bar from moving in the first direction.

8. The system of claim 1, wherein the gasket comprises a rubber layer disposed on the second bar.

9. The system of claim 1, wherein the second bar is disposed closer to the second edge of the fenestration member than the first bar.

10. The system of claim 1, wherein the latch control member is actuatable via rotation.

11. The system of claim 1, wherein the latch control member is pivotably coupled to the mechanical linkage.

12. A system for sealing a fenestration member to an adjacent surface, the system comprising: a latch moveable between a latch first position, the first latch position being retracted in a direction inwardly away from a first edge of the fenestration member so as to unlatch the fenestration member from an adjacent frame, and a second latch position, the second latch position being extended in a direction outwardly away from the first edge of the fenestration member; a latch control member accessible from an exterior of the fenestration member and operably coupled to the latch, wherein actuation of the latch control member moves the latch from the second position to the first position; a gear rotatably mounted proximate a second edge of the fenestration member, the second edge being perpendicular to the first edge; a mechanical linkage connecting the latch control member and the gear, the mechanical linkage transmitting force from actuation of the latch control member to cause rotation of the gear, wherein the mechanical linkage is disposed proximate to and extends in a direction along the first edge of the fenestration member; a first bar having a rack operably coupled to the gear, the first bar extending parallel to and proximate the second edge of the fenestration member, the first bar being moveable in translation in a direction parallel to the second edge in response to rotation of the gear; a second bar extending parallel to and proximate the second edge of the fenestration member, the second bar being moveable in a direction perpendicular to the direction of translation of the first bar in response to translation of the first bar; complementary cam members being disposed on the first bar and the second bar, respectively, wherein in response to movement of the first bar, the complimentary cam members engage and cause movement of the second bar; and a gasket fixedly mounted to the second bar, wherein movement of the second bar causes movement of the gasket in the direction perpendicular to the direction of translation of the first bar such that the gasket is capable of sealing between the second edge of the fenestration member and the adjacent surface.

13. The system of claim 12, wherein respective surfaces of the respective complementary cam members comprise oppositely directed inclined surfaces engaged with each other.

14. The system of claim 12, wherein the second bar is disposed closer to the second edge of the fenestration member than the first bar.

15. The system of claim 12, wherein the latch control member is actuatable via rotation.

16. The system of claim 12, wherein the latch control member is pivotably coupled to the mechanical linkage.

17. The system of claim 12 further comprising one or more springs operably connecting the second bar to the fenestration member, the one or more springs being arranged to exert a force to urge the second bar in a direction toward the first bar.

18. The system of claim 12 further comprising means for preventing the second bar from moving in the direction parallel to the second edge.

19. The system of claim 12, wherein the gasket comprises a rubber layer disposed on the second bar.

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF DRAWINGS

(1) To these and to such other objects that may hereinafter appears, the present invention relates to an automatic fenestration member sealing system as described in detail in the following specification and recited in the annexed claims, taken together with the accompanying drawings, in which like numerals refer to like parts and in which:

(2) FIG. 1 is an elevation view of the interior of a door with the fenestration member sealing system, showing the gasket in a position remote from the adjacent frame surface of the door saddle;

(3) FIG. 2 is an elevation view of the door of FIG. 1, showing the gasket in a position abutting the adjacent frame surface of the door saddle; and

(4) FIG. 3 is a cross-sectional view of the bottom of the door of FIG. 1.

DETAILED DESCRIPTION OF THE INVENTION

(5) For purposes of explanation, the preferred embodiment of the present invention is described and illustrated as it would be used to seal a fenestration member in the form of a door to an adjacent surface such as a saddle, jamb or frame against air passing around the door, through an entranceway and into a building. However, it should be understood that the present invention could be used to seal any type of fenestration member, such as a window, to an adjacent frame surface. Further, the seal created by the present invention could also be used to prevent water, dust particles, odors, fumes and the like from entering the building, as well as air.

(6) Moreover, the present invention is intended for use with any type of fenestration member having a moveable latch control member. Such a moveable latch control member could take the form of a rotatable or moveable knob, lever or handle.

(7) As seen in the drawings, the preferred embodiment of the sealing system of the present invention is designed for use on a fenestration member such as a door 10 which has a rotatable door knob 12 accessible from the exterior of the door. Door knob 12 controls the position of a latch 14 which is moved toward and away from an opening in door frame 16 to engage or disengage the door frame.

(8) Inside the door is a gear 18 mounted near the bottom of the door for rotation relative to the door between a first position wherein the latch is withdrawn and the door is disengaged from the door frame such that the door can be opened (as seen in FIG. 1) and a second position wherein the latch is extended and engages the door frame to keep the door closed (as seen in FIG. 2).

(9) A mechanical linkage, generally designated 20, extends within the door to connect knob 12 and gear 18. As knob 12 is rotated in a clockwise direction from its first position shown in FIG. 1 in which the door is unlatched to its second position shown in FIG. 2 in which the door is latched, gear 18 is rotated in a clockwise direction from its first position shown in FIG. 1 to its second position shown in FIG. 2. Linkage 20 includes an elongated main section 20a connected at its upper end by a pivot pin 22 to a link 20b which moves with knob 12, and at is lower end by a pivot pin 24 extending from the surface of gear 18.

(10) As best seen in FIG. 3, a rack 26 is mounted on a first bar 28 at a position wherein the rack is engaged by gear 18. As gear 18 is rotated, rack 26, and the first bar 28 to which the rack is attached, moves in a linear path substantially parallel to but spaced from surface 29 of saddle.

(11) A second bar 30 is mounted below and spaced a short distance from first bar 28. Second bar 30 is connected to first bar 28 at two locations by assemblies that allow the second bar to move toward and away from first bar 28 but not in a direction parallel to first bar 28.

(12) Each of the bar connecting assemblies includes a spring 32 and a bolt 34. In each assembly, spring 32 urges second bar 30 toward first bar 28. Each bolt 34 has an enlarged head which is captured in a bore hole in first bar 28 having an opening smaller than the bolt head such that the bolt can move up and down within the bore but not exit the bore opening. In this manner, second bar 30 and can move relative to first bar 28 only in a direction which is substantially perpendicular to the adjacent saddle surface 29.

(13) Springs 32 urge second bar 30 toward first bar 28 in order to maintain contact between the inclined surfaces of oppositely oriented triangular shaped members. The triangular members form spaced triangular member sets, three of which are shown. Each triangular member set 36, 38 and 40 includes two triangular members which cooperate to regulate the vertical distance between the first and second bars.

(14) Triangular member set 36 includes triangular members 36a and 36b. Triangular member set 38 includes triangular members 38a and 38b. Triangular member set 40 includes triangular members 40a and 40b. In each triangular member set, the upper triangular member 36a, 38a and 40a is attached to first bar 28 and the lower triangular member 36b, 38b and 40b is attached to second bar 30.

(15) Rack 26 and the upper triangular members 36a, 38a and 40a of each set are attached to and move with the first bar 28, as gear 18 is rotated. Because the lower triangular members are mounted on and move with the second bar, and the second bar can only move in a direction perpendicular to the path of movement of first bar 28, as the first bar 28 moves, the upper and lower triangular members in each triangular member set cooperate to move second bar 30 toward and away from the first bar 28.

(16) A rubber gasket or layer 42 is attached to the bottom of second bar 30. When second bar 30 is moved to its position abutting saddle surface 29, rubber gasket or layer 42 will press against the surface of the door saddle and seal the bottom of the door to the saddle surface, as illustrated in FIG. 2.

(17) When knob 12 is rotated to unlatch the door, mechanical linkage 20 will rotate gear 18. The rotation of gear 18 will cause rack 26 and thus first bar 28 to move back to the position seen in FIG. 1. That will cause the triangular members to move back to their original positions and second bar 30 to move away from the saddle such that the door is no longer sealed and can be opened.

(18) While only a single preferred embodiment of the present invention has been disclosed for purposes of illustration, it is obvious that many modifications and variations could be made thereto. It is intended to cover all of those modifications and variations which fall within the scope of the present invention, as defined by the following claims.