US3218678A

US3218678A - Door and jamb construction

Info

Publication number: US3218678A
Application number: US271430A
Authority: US
Inventors: Gordon C Russell
Original assignee: Lockheed Aircraft Corp
Current assignee: Lockheed Corp
Priority date: 1963-04-08
Filing date: 1963-04-08
Publication date: 1965-11-23
Anticipated expiration: 1982-11-23

Description

2 Sheets-Sheet 1 I m I G. C. RUSSELL DOOR AND JAMB CONSTRUCTION Nov. 23, 1965 Filed April 8, 1965 INVENTOR GORDON C. RUSSELL A en Nov. 23, 1965 G. c. RUSSELL DOOR AND JAMB CONSTRUCTION 2 Sheets-Sheet 2 Filed April 8, 1965 INVENTOR. GORDON C. RUSSELL Agent United States Patent 3,218,678 DOUR AND JAMB CONSTRUCTION Gordon C. Russell, Studio fity, Califi, assignor to Loci heed Aircraft Corporation, Burbank, Calif. Fiied Apr. 8, 1963, Ser. No. 271,430 3 Claims. (Cl. -16) This invention pertains to new and improved door jambs and to new and improved doors for use with these jambs and to members which are used with both such door jambs and doors.

A great deal of time and money has been devoted to providing buildings of various types which are constructed so that the walls, ceilings, roofs and in many cases the floors of such buildings are formed of identical structural panels. requentiy some panels are constructed utilizing a core of a cellular material such as expanded polystyrene or the like laminated between two rigid sides. Panels of this type are very advantageous for use in various types of buildings for a number of reasons. Among these reasons is the fact that panels of this type are capable of serving a structural function and thus serve as more than mere area covering or enclosing members.

Conventional jamb and header constructions such as are commonly used to enclose a door opening in a conventional building are not considered desirable for use in creating door openings from building panels of the general category indicated in the preceding paragraphs because of the nature of such conventional constructions. Further, it is considered undesirable from a cost standpoint to utilize conventional doors with building panels as indicated in the preceding because of the fact that the material removed from one of these panels in order to create a door opening is capable of being used as a door. In order to use such a part of a building panel as a door, it is necessary to finish off the edges of it so as to protect the core of such a panel from damage.

An object of the present invention is to provide trim members which are capable of being used so as to finish off the edges of a part of a building panel so as to form a door, and which are also capable of being used in conjunction with an opening within such a panel in order to form a door jamb. As used herein, this term jamb includes not only the vertical members at the sides of such an opening, but a horizontal member at the top of such an opening such as is commonly referred to as a header.

Further objects of this invention are to provide new and improved door jambs and new and improved doors formed from such trim members.

A still further object of the present invention is to provide trim members as indicated in the preceding paragraph which may be easily manufactured at a comparatively nominal cost.

A related object of the invention is to provide door jamb constructions which may be easily manufactured or created using such trim members at a comparatively nominal cost and which are capable of providing adequate service in use.

Another very closely related object of the invention is to provide complete doors or door constructions which may be easily and conveniently created using such trim members and which also are capable of serving satisfactorily.

These and various other objects of this invention as well as many specific advantages of it will be apparent from a detailed consideration of the remainder of this specification, and appended claims and the accompanying drawings in which:

FIGURE 1 is a front elevational view of a structural or building panel containing a door opening bounded Patented Nov. 23, 1965 by a door jamb of this invention, this opening containing a door constructed in accordance with this invention;

FIGURE 2 is a cross-sectional view taken at line 2-2 of FIGURE 1; and

FIGURE 3 is a partial cross-sectional view taken at line 33 of FIGURE 1.

The accompanying drawings are primarily intended so as to clearly illustrate a presently preferred trim member of this invention utilized in presently preferred door jamb and door. From a careful consideration of this drawing and of the remainder of this specification it will be realized that various minor changes of a routine engineering nature may be made in the subject matter illustrated without departing from the scope of this invention as set forth or defined by the appended claims.

Although the nature of this invention is considered to be fully summarized by these claims it can be indicated in essentially summary form that this invention concerns a trim member for use as a door jamb and as an edge structure for a door, this trim member including: two parallel side walls of unequal length; cross walls attached to front edges of these side walls so as to extend therefrom at a right angle; a connecting wall connecting the cross walls midway between the side walls, this connecting wall extending at a right angle to the cross walls.

A trim member of this type preferaby also includes groove-like notches in the side walls for use in holding a sealing member, means formed on the side walls for use in engaging and positioning the trim member with respect to a building panel, and means for holding a sealing gasket on one of the cross walls. As a trim member of this type is used in either a door jamb or a door in accordance with this invention it is located on an exposed edge of a building panel or a portion of a building panel so as to protect the interior of the panel and so as to extend a comparatively short distance from the edge of it.

The actual details of this invention are best and more fully explained by referring directly to the drawings. Here there is shown a door jamb it) of this invention utilized in connection with a door 12 constructed in accordance with this invention. The jamb 10 is used to bound at door opening 14 formed in a building or structural panel 16. Preferably, the central portion 18 of the door 12 is formed out of the portion of the panel 16 separated from it when the door opening 14 is created. Thus, both the central portion 18 of the door 12 and the panel 15 are constructed in the same manner in the preferred embodiments of this invention illustrated. The panel 1 6 and the central portion 18 of the door 12 each includes a cellular core 20 such as a core of expanded, porous polystyrene, a core of rigid polyurethane foam, or the like, this core 20 being laminated between rigid sides 22. The door opening 14 and the central portion 18 of the door 12 can be easily cut from a panel of this type using conventional equipment.

Preferably, the portions of the core 20 adjacent to and surrounding the door opening 14 are removed in a similar manner in creating a complete jamb and a complete door in accordance with this invention so as to provide spaces 24 extending between the sides 22. These spaces are filled with elongated wooden members 26; these Wooden members 26 being preferably secured in place through the use of a conventional adhesive (not shown), although, if desired, other equivalent forms of fastening means can be employed in order to hold them in position. When so used, the wooden members 26 extend between the ends 28 of the sides 22 on the central portion 18 of the door 12 and around or along the door opening 14.

A trim member Si) is used in combination with each of the wooden members 26 in creating the jamb 10 and the door 12. Although these members 30 can be formed out of a number of different materials such as aluminum or other rigid metals it is presently preferred to form them out of a rigid thermoplastic material. A number of different well known thermoplastic materials can be used in forming the members 30. As an example of this, various rigid polymers formed by the polymerization of formaldehyde can be used; similarly rigid polyvinyl chloride or other equivalents can be employed in creating a member 39. Such thermoplastic materials are considered advantageous for use with the present invention because of their comparatively light weight and because of the fact that they can be easily formed to a desired shape by known, conventional extrusion techniques.

The shape of a member 30 used with this invention is considered to be significant in obtaining a satisfactory door or jamb such as the door 12 on the jamb 16. From an examination of FIGURES 2 and 3 of the drawing it will be seen that each of the members 30 employed with the jamb 1t? and the door 12 has a comparatively short first side wall 32 and a longer second side wall 34. These

side walls

32 and 34 extend generally parallel to one another and are spaced a distance apart which corresponds to the distance between the exposed surfaces of the sides 22. Each of the

side walls

32 and 34 includes at its rear end 35 a sloping holding wall 36 which is connected to a positioning wall 3S. These positioning walls 38 are parallel to one another and to the

side walls

32 and 34, each of them carrying an internally projecting flange 40.

In the member 30 a first'cross wall 42 is attached to the front edge 44 of the first side wall 32 so as to extend from such first side wall at a right angle to a position approximately midway between the

side walls

32 and 34. A corresponding cross wall 46 extends from the front edge 48 of the second side wall 34 in the same manner. These

cross walls

42 and 46 are connected by a connecting wall 50 which extends perpendicular to them and which extends parallel to the

side walls

32 and 34. Preferably, a second wall 500 approximately equal in length and parallel to the connecting wall 50 extends from the cross wall 42 to cooperate with the wall 50 in forming a generally U-shaped channel enclosing a groove 52, the base 54 of the groove 52 appearing as an extension of the first cross wall 42 and the connectingwall 50 serving as a side of this groove 52. This groove 52 may, if desired, be omitted. When it is used preferably parallel positioning flanges 56 are formed on the base 54 so as to extend from it a distance sufiicient that these flanges 56 terminate in the same plane as the flanges 40.

In forming the jamb and the door 12 the various members 39 constructed as described are located in the positions indicated in FIGURES 2 and 3 of the drawing, and are mounted to the wood members 26 thru the use of conventional wood screws 53. These screws 58 are located so as to extend through the bases 54 of the grooves 52 between the positioning flanges 56. As they are employed they pull the positioning walls 38 against the wood members 26 so as to hold the flanges 40 against the surfaces of these wood members 26. As the screws 58 are tightened they also force the positioning flanges 56 against these wood members. Thus, each of the members 30 includes four different parts-the ends of the two positioning flanges 56 and the flanges 40-which serve to cause satisfactory spacing of a member 30 with respect to a wood member 26.

After a member 30 has been installed in this manner it may be finished off by the insertion of a sealing strip 68 of a generally trapezoidal cross-sectional configuration against each positioning wall 38, in contact with the ad jacent holding wall 36, and against the ends 28 of the sides 22. The sloping configuration of the holding walls 36 aid in maintaining the sealing strips 68 in position. If desired, a conventional adhesive (not shown) may be used to secure the strips 68 in place, or if desired, other equivalent fastening means can be employed. The sealing strips 68 used preferably are of a relatively soft, resilient material such as polychlorprene or the equivalent.

A similar material is preferably also used in creating a hollow sealing strip 70 which is located within each of the grooves 52. Such a strip 70 is preferably of slightly larger dimensions than the space available to receive it within a groove 52 so as to extend from the roove within which it is disposed a comparatively short distance. The strips 70 employed cover the screws 58 so as to protect them against ambient conditions. These strips 70 may also be secured in place through the use of a conventional adhesive (not shown).

When the members 30 are installed within the door opening 14 and the central portion 18, the jamb 10 and the door 12 are technically complete. However, in order to install the door 12 within the jamb 10 it is necessary to connect the door 12 with the jamb through the use of hinges 72. Such hinges are preferably of the type that cannot be seen When the door is in a closed position. The hinges 72 are installed by cutting away appropriate portions of the members 30 where they are to be used and portions of the wood members 26 in the same areas, and by being attached to the remainders of these wood members by means of screws 74.

When the door 12 has been hung through the use of the hinges 72 as explained in the preceding, it is capable of being used as a door. A common lock assembly 76 is mounted upon the door 12 within a hole 78 created in the central portion 18 of the door 12 adjacent one of the wood members 26. A hole 80 is formed in this member 26 for the purpose of receiving a latch bolt sub-assembly 82 which is connected to and forms a part of the lock assembly 76. A conventional latch plate 84 may be secured in a conventional manner opposite the latch bolt sub-assembly 82 for the obvious purpose. The appropriate portions of the members 30 adjacent to the latch bolt sub-assembly 82 and for latch plate 84 are, of course, cut away so as to permit the installation of this latch bolt sub-assembly.

From a detailed consideration of the preceding it will be realized that the jamb 10 and the door 12 are relatively simple structures which are capable of being easily and conveniently manufactured. It will be further realized that the members 30 used in the door 12 and the jamb 1t fit against one another when this door is closed within this jamb so as to form an effective, relatively simple labyrinth type of seal against wind, rain and other ambient conditions. It will be further realized that the sealing strips 70 aid in creating such a seal and that the sealing strip 68 effectively protects the panel 16 and the central portion 18 against any danger resulting from ambient influences contacting the cores 20.

Because of the nature of this invention it is to be considered as being limited solely by the appended claims forming a part of this disclosure.

I claim:

1. A door jamb which comprises:

(a) a building panel having a door opening formed therein;

(b) a structural shape bounding edges of said door opening, said structural shapes each being secured to said building panel and each including;

(c) first and second side walls of unequal length located parallel to one another, each of said side walls having a front and a rear end, each said rear end including a positioning wall recessed from the balance of said side wall, engaging said panel and defining with said panel a longitudinal recess, a sealing strip being positioned in said recess;

((1) first and second cross walls extending inward from the front ends of said first and second side walls and generally parallel to one another;

(e) connecting wall means connecting the extremities of said cross walls remote from said side walls and disposed parallel to said side walls;

(f) a separate wall parallel to and spaced from said connecting wall and extending from one of said cross walls away from the edge of the door opening to define a groove with said last-mentioned cross wall and said connecting wall;

(g) sealing member means positioned within said groove means so as to extend therefrom and contact a cross Wall of a similar structural shape upon a door when such door is disposed within said door jamb in a closed relation; and

(h) positioning means extending from said last-mentioned cross wall opposite said connecting wall and said separate wall to contact the edge of the door opening.

2. A door structure which comprises:

(a) a panel serving as a central portion of a door; and

(b) a structural shape bounding edges of said panel, said structural shapes being secured to said panel and each including;

(d) first and second cross walls extending inward from the front ends of said first and second side walls and generally parallel to another;

(f) a separate wall parallel to and spaced from said connecting wall and extending from one of said cross walls away from said panel to define a groove with said last-mentioned cross wall and said connecting wall;

(g) sealing member means positioned within said groove so as to extend therefrom and contact a cross wall of a similar structural shape upon a door jamb when said door is disposed within such door jamb in a closed relation; and

(h) positioning means extending from said last-mentioned cross wall opposite said connecting wall and said separate wall to contact the panel edge.

3. A door and door jamb construction which comprises:

(a) a building panel having a door opening formed therein;

(b) a panel serving as a central portion of a door located within said door opening; and

(c) a structural shape bounding edges of said panel serving as a central portion of a door and the opposed edges of said door opening in said panel, each of said structural shapes being secured to the surface upon which it is disposed, adapted to sealably engage the other said structural shape, and each including,

(d) first and second side walls of unequal length located parallel to one another, each of said side walls having a front and a rear end, each said rear end includ ing a positioning wall recessed from the balance of said side walls; engaging said panel portion which it bounds and defining with such panel portion a longitudinal recess, a sealing strip being positioned in said recess;

(e) first and second cross Walls extending from the front ends of said first and second side walls and generally parallel to one another,

(if) connecting wall means connecting the extremities of said cross walls remote from said side walls and disposed parallel to said side walls;

g) a separate wall substantially parallel to and spaced from said connecting wall and extending from one of said cross walls to define a groove with said lastmentioned cross wall and said connecting wall, and

(h) sealing member means positioned within said groove means so as to extend therefrom and sealably engage a cross wall of a similar structural shape upon the other said structural shape when said door and said jamb are mutually engaged, and

(i) positioning means extending from said last-mentioned cross wall opposite said connecting wall and said separate wall to contact the edge of the respective panel portion.

References Cited by the Examiner UNITED STATES PATENTS 2,454,523 11/1948 Philip 189-46 2,766,858 10/1956 Johnson et al 189-46 2,869,501 1/1959 Stransky 20-69 X 2,893,075 7/1959 Potchen et al. 20-74 2,896,271 7/1959' Kloote et al 20-15 X HARRISON R. MOSELEY, Primary Examiner.

Claims

1. A DOOR JAMB WHICH COMPRISES: (A) A BUILDING PANEL HAVING A DOOR OPENING FORMED THEREIN; (B) A STRUCTURAL SHAPE BOUNDING EDGES OF SAID DOOR OPENING, SAID STRUCTURAL SHAPES EACH BEING SECURED TO SAID BUILDING PANEL AND EACH INCLUDING; (C) FIRST AND SECOND SIDE WALLS OF UNEQUAL LENGTH LOCATED PARALLEL TO ONE ANOTHER, EACH OF SAID SIDE WALLS HAVING A FRONT AND A REAR END, EACH SAID REAR END INCLUDING A POSITIONING WALL RECESSED FROM THE BALANCE OF SAID SIDE WALL, ENGAGING SAID PANEL AND DEFINING WITH SAID PANEL A LONGITUDINAL RECESS, A SEALING STRIP BEING POSITIONED IN SAID RECESS; (D) FIRST AND SECOND CROSS WALLS EXTENDING INWARD FROM THE FRONT ENDS OF SAID FIRST AND SECOND SIDE WALLS AND GENERALLY PARALLEL TO ONE ANOTHER; (E) CONNECTING WALL MEANS CONNECTING THE EXTREMITIES OF SAID CROSS WALLS REMOTE FROM SAID SIDE WALLS AND DISPOSED PARALLEL TO SAID SIDE WALLS; (F) A SEPARATE WALL PARALLEL TO AND SPACED FROM SAID CONNECTING WALL AND EXTENDING FROM ONE OF SAID CROSS WALLS AWAY FROM THE EDGE OF THE DOOR OPENING TO DEFINE A GROOVE WITH SAID LAST-MENTIONED CROSS WALL AND SAID CONNECTING WALL; (G) SEALING MEMBER MEANS POSITIONED WITHIN SAID GROOVE MEANS SO AS TO EXTEND THEREFROM AND CONTACT A CROSS WALL OF A SIMILAR STRUCTURAL SHAPE UPON A DOOR WHEN SUCH DOOR IS DISPOSED WITHIN SAID DOOR JAMB IN A CLOSED RELATION; AND (H) POSITIONING MEANS EXTENDING FROM SAID LAST-MENTIONED CROSS WALL OPPOSITE SAID CONNECTING WALL AND SAID SEPARATE WALL TO CONTACT THE EDGE OF THE DOOR OPENING.