US 2934802 A
Description (OCR text may contain errors)
May 3, 1960 H. SHEKTER DOOR SEALING CONSTRUCTION Filed Nov. 5, 1956 HENRY SHEKTER ATTORNEY United States I DOOR SEALING CONSTRUCTION Henry Shelrter, Miami Beach, Fla. Application November 5, 1956, SerialNo. 620,260
3 Claims. (CI. 20-69) The present invention relates to a door sealing device. More particularly, the present invention relates to a devlce for sealing the bottom of a door on a threshold.
In the normal construction of an outside door for a dwelling, the bottom and sides thereof are provided with conventional weather-stripping that is adapted to prevent drafts, water, insects and other outside elements, from filtering between the door and door frame into the interior of the house. Quite frequently, the weather-stripping, which is secured to the door and is made of metal, does not make proper contact with the complementary sealing element secured to the door frame and a space eventually develops between the door and frame and particularly between the bottom edge of the door and the doorway threshold. In many basement door constructions, a weather-stripping device is not even provided for the bottom of the door and water that accumulates on the door stoop and drains into the basement, presents .a serious problem.
Prior to the instant invention, attempts have been made to solve the problem of sealing door bottoms with the door threshold by utilizing various constructions which are applied either to the threshold or to the bottom edge of the door. However, these heretofore known sealing devices have either been complicated in structure, thereby being economically undesirable, and also requiring the use of a skilled mechanic for the installation thereof, or they did not adequately seal the door bottom and there fore did not prevent leakage and drafts from entering between the door bottom and the door threshold. Moretion and effective in operation.
Another object of the present invention is to provide a door sealing construction and includes a minimum of parts with a maximum of sealing efficiency.
Still another object of the invention is to provide a metal channel section that positively receives the sealing member therein to form a compact unitary sealing device.
Still another object of the present invention is to provide a sealing member that is self-adjusting in sealing relationship with the threshold with which it makes contact.
Still another object of the present invention is to provide I a vinyl plastic sealing device that cooperates with a metal channel section to provide an effective seal between the threshold and the bottom of the door to which it is i applied.
Still another object of the present invention is to pro- :yide a sealing device which includes a sealing member r Patented May 3, 1960 ice having a leading edge of reduced vertical dimension, thereby providing for an effective sealing action with the threshold with which the sealing member makes contact.
Other objects and the nature and advantages of the instant invention will be apparent from the following description taken in conjunction with the accompanying drawings, wherein:
Fig. 1 is a perspective view of an outside door with the sealing device embodied in the present invention mounted on the bottommost edge thereof.
Fig. 2 is an enlarged perspective view of the sealing device illustrated in Fig. 1 prior to contact thereof with the threshold of the door frame.
Fig. 3 is a vertical sectional view of the sealing device shown in Fig. 2 after it has been moved into sealing engagement with the threshold; and
Fig. 4 is a vertical sectional view of a modified form of the invention showing the position of the sealing member prior to contact thereof with the doorway threshold.
The present invention is adaptable for use with most conventional style doors and may be applied either to wooden or metal doors as desired. The sealing device has particular application as a threshold sealing member, although it is understood that the sealing principle involved herein may also be employed to seal the door within an entire door frame.
Referring now to the drawings, and particularly to Fig. 1, a conventional door of any convenient design or size is illustrated and is indicated at 10. The door 10 is adapted to make sealing contact with a threshold 12 disposed at the bottom of the doorway frame. The sealing device embodied in the present invention is secured to the bottommost edge of the door 10, being generally indicated at 14 and is adapted to seal the bottom of the door 10 with the threshold 12 upon contact therewith.
*The door 10 which may be of any conventional construction is pivotally mounted in the usual manner on hinges 16 that are secured to the door frame 18. The sealing device 14 is secured to the bottommost edge of the door and as shown particularly in Figs. 2 and 3 includes a U-shaped channel section 20 and a sealing member generally indicated at 22. The U-shaped channel section 26 is formed of a light weight corrosion resistant material such as aluminum or the like, and it is seen may be extruded in various forms, depending on the needs required. For example, the channel section may be formed to fit a conventional 1% inch door as seen in Figs. 2 and 3 or formed to fit a conventional 1% inch door as seen in Fig. 4. The side walls of the U-shaped channel section 20 may also be formed with a decorative design if it is so desired.
Referring to Fig. 3 in particular, the channel section 2! is shown including side walls 24 and 26 and a bottom wall 28 integrally joined to the side walls. In the form of the invention illustrated, in the drawings, the side walls 24, 26 are provided with longitudinally extending grooves 30 that are provided for decorative purposes and lend an attractive appearance to'the channel'section. As
shown in Fig. 1, screws 32 or the like are utilized to secure the channel section 20 to the lower-most edge of the door 10 and extend through openings provided in the side walls 24 and 26. Formed integral with the bottom wall 28 on the underside thereof are longitudinally extending, spaced, parallel projections 34 and 36. Formed sealing'rnember 22 to produce an effective seal. threshold 12, which is conventional in construction and maybe formed in various ways without departing from the spirit of theinvention, furtherincludes a vertical front wall 68 that is adapted to cooperate with the curved "been compressed.
nesasoa material such as a vinyl plastic and is adapted to resist wear due to weather exposure, differences in temperature, or contact with the doorway threshold. When secured to the channel section 20, thes'eali'ng member 22 defines aclosed pocket which-is indicated by the longitudinallyextending passage 42. The fiexible's'ealing member 22 includes a curved bottom Wall 44 that is .joined to ='a-leading edge '46 and a trailing'edge 48, the =le'adingedge 46 being somewhat more reduced in vertical dimension than the trailing edge 43.
The curved bottom wall '44 is thus formed with a slope that gradually increases toward the trailing edge 48, thereby enabling the sealing'device to more effectively engage the threshold 12.
'ing'rib 56. Joined to the stifiening rib 56 is an upper 'vertical wall 58 which is formed with abeaded edge 69 .on-theuppermost edge thereof. The beaded edge 60 'has a 'T-shaped configuration and is adapted to be slidably received by the T shaped opening' itl in close fitting relation therewith. It is seen'that the sealing member 22 is easily and quickly assembled with the channel section 20 by simply sliding the beaded edges 52 and '60 into the slots 38 and 40 respectively. The corre- "sponding T-shaped beaded edges 52, 60 and T-shaped slots 38 and 40 form a positive fastening means that securely retains the channel section 20 and sealing mem- 'ber 22 in assembled position.
When the door 19 is moved to a closed position, the sealing device 14 is adapted to make contact with the threshold 12 in sealing engagement therewith. As shown in Fig. 3, the threshold 12 is formed with a top wall 62 that is' joined to a curved rear wall 64. The top wall 62 has longitudinally extending grooves 66 formed therein that cooperate with the curved flexible wall 44 of the The rear wall 62 for supporting the threshold top wall 64 in :proper position for receiving the sealing member 22 in sliding engagement therewith.
As-shown in Figs. 1 and 2, the door is ajar and the ise'aling member 22 is located in the distended or normal position. When the door is moved into contact with the threshold 12, the shortened leading edge 46 strikes the'threshold top wall 62. Sliding contact between the sealing member 22 and the threshold 12 is thus easily effected in the first instance.
As the door is moved toward the fully closed position, the sealing member 22 closed position and the major portion of the curved bottom Wall 44 is forced into a horizontal plane on the surface of the threshold top wall 64.
The short vertical wall' 5'4 of the leading edge 46 is slightly deformed, but the'rnajor deformation of the sealing member 22 has occurred at the trailing edge 48 Where the vertical dimension of the sealing member 22 is the greatest. The lower vertical wall 54 is substantially doubled on the adjacent curved wall 44, and the stiffening rib 56 has However, the stiffening action of the rib 56 has increased the sealing action of the bottom wall 44 on the threshold top wall 4-4. The upper vertical "wall 58 is substantially unchanged in positiomthe-great- 'to the door bottom by screws.
4 est deformation of the trailing edge beingproduced in the general region of the sealing member bottom wall 44, lower vertical wall 54-and stiffening rib 56. It is seen that there is a line of increasing pressure extending from the short vertical wall 54 of the sealing member leading edge 46 to the collapsed rib 56 and lower vertical wall of the sealing member trailing edge. Thus, the seal that is formed between the threshold top wall 64 and the sealing member 44 is an extremely positive one and is effective in preventing drafts, water and insects from infiltrating therethrough.
The'sealing action of the sealing member 44 is not only positive in operation, but is self-adjusting, being adapted to seal itself in accordance with the space provided between the bottom of the door 10 and the threshold 12. Thus, the'sealing device embodied herein is adaptable for use in substantially every instance where door seals are required or necessary and will be effective in preventing cold drafts, wind-driven rain, snow and small insects from entering between the door bottom and the threshold. By reason of the positive sealing action of the sealing device on the threshold, the threshold is more positively moved into engagement with the floor to which it is secured and thus leakage of drafts and water between the threshold and floor is also prevented.
The sealing device embodied in the present invention is simply and quickly installed on a door, it only being necessary to slide the channel'section 20 on the bottom of a door and then securing the sidewalls 16 and 18 It is understood that the sealing member 22 is preassembled with the channel section 21) by slidably moving the beaded edges 52 and 60 into the slots 38 and 40 respectively.
In the modified form of the invention illustrated in Fig. 4, the sealing member is identical to the sealing member 22 illustrated in Figs. 1-3. The U-shapedchannel section of the modified construction is indicated at 70 and is similar to the channel section 20, being adapted to be applied'to a door of somewhat greater'thickness than the channel section 20. In order to compensate for the increase inthe dimension of the channel section 70, me bottom wall indicated at 72 is formed with indented projections 74 and 76 on the lowermost side thereof which are provided with slots for receiving therein the beaded edges 52 and 60 of the sealing member 22. The projections 74, 76 are indented from spaced side walls 78 and 30 which are joined to the bottom wall 72-, the spaced projections defining the shoulders 82 and 84 respectively. It is seen that the sealing member 22 remains unchanged regardless of the size of the channel section or regardless of the door thickness. In Fig. 4 the sealing action of the sealing member 22 on the threshold 12 is the same as described above in connection with Figs. 1-3 and it isseen that the seal thus produced is effective to prevent the egress of wind, rain, drafts, and insects. The sealprovided by the channel section and sealing member in both forms of the invention is :positive, the plastic sealing member being effective to maintain a long life and thereby assuring a capable and serviceable seal at all times.
It will be obvious to those skilled inthe art that various changes may be made without departing from the spirit of the invention and therefore the invention is not limited to what is shown in the drawings and described in the specification but only as indicated in the membersecured to said channel section, .said .sealin'g sealing member in arched position on the lowermost side of said channel section.
2. In a threshold sealing device, a door, a longitudinally extending channel section secured to the lowermost edge of said door, said channel section including spaced parallel side walls and a bottom wall joined to said side walls, said bottom wall having spaced parallel longitudinally extending projections joined to the underside thereof, said projections having longitudinally extending slots formed therein, and a flexible sealing member secured to said channel section, said sealing member being spaced from said bottom wall and defining a hollow pocket therewith, said sealing member including a curved wall that is adapted to contact a threshold, in sealing engagement therewith, said curved wall being joined by a leading and a trailing edge, said 'leading' edge including a vertical wall formed integral withsaid curved wall and having a beaded edge joined to the outermost end thereof, said trailing edge includinga lower vertical wall joined to said curved wall, a rib section joined to said lower vertical wall, and an upper vertical wall joined to said rib section, said curved wall being inclined in an increasing direction toward said trailing edge, whereby the sealing action of said.
sealing member is positively elfected when said sealing member is located in contact with a doorway threshold.
3. In a threshold sealing device, a door, a longitudinally extending channel section secured to the lowermost edge of said door, said channel section having spaced parallel longitudinally extending slots formed on the underside thereof, and a flexible sealing member secured to said channel section, said sealing member including an arched section joined by a leading and trailing edge, said leading edge being defined by a vertical wall having a beaded edge joined to the uppermost end thereof and positioned in one of said slots, said trailing edge including a vertical wall having a beaded edge joined to the uppermost end thereof and positioned in the other of said slots and means for stiffening said trailing edge, said stiflening means interconnecting said arched section and said trailing edge vertical wall and providing for elfective sealing action with said threshold when said door is moved to the closed position thereof.
References Cited in the file of this patent UNITED STATES PATENTS 1,192,361 Wistrom July 25, 1916 1,506,311 Knight Aug. 26, 1924 1,527,739 Leach Feb. 24, 1925 1,991,776 Gail Feb. 19, 1935 2,089,669 Shadford Aug. 10, 1937 2,095,669 Kunkel Oct. 12, 1937 2,663,057 Uphofi Dec. 22, 1953 2,718,677 Cornell Sept. 27, 1955 2,736,076 Bush et a1. Feb. 28, 1956 2,739,357 Seabrook Mar. 27, 1956