US2277982A

US2277982A - Roof vent

Info

Publication number: US2277982A
Application number: US363126A
Authority: US
Inventors: Louis H Hosbein
Original assignee: DETRICK INSULATION ENGINEERS I
Current assignee: DETRICK INSULATION ENGINEERS I; DETRICK INSULATION ENGINEERS Inc
Priority date: 1940-10-28
Filing date: 1940-10-28
Publication date: 1942-03-31
Anticipated expiration: 1959-03-31

Description

Patented vMar. 31, 1942 ROO-F VENT Louis H. Hosbein, Glencoe, Ill., assigner to Detrick Insulation Engineers, Inc., Chicago, Ill.,

a corporation of Illinois Application October 28, 1940, Serial No. 363,126

(Cl. SiS- 42) 3 Claims.

This invention relates in general to roof vents, and more particularly to improvements in such devices which adapt them for use in venting an insulative air space provided below a roof structure.

When, in the insulation of a building, any air space is provided between the roof and the in terior ceiling below the same, it has been found necessary to vent such insulative air space to the outer atmosphere. The use of any ordinary roof vent in this connection has been attendant with numerous disadvantages. The outstanding of these is that moisture will collect or condense interiorly of the vent, and then drain or drip downwardly therefrom directly onto the interior ceiling, with obvious damage resulting to the latter. As a consequence, the ordinary roof vents are entirely unt for such use. Another disadvantage of the prior art roof vents is found in their lack of durability, which results from the material employed therein.

A principal object of the present invention, therefore, is the provision of a completely satisfactory roof vent for this purpose which will overcome the disadvantages of the prior art constructions.

Another important object of the invention is the provision in a roof vent of means for effectively collecting any moisture which may either condense in, or in any other manner find its way into, the interior thereof.

A further important object of the invention is the provision of a roof vent which is extremely durable, while being very simple in construction and easy to manufacture and install for use.

Numerous other objects and advantages of the invention will be apparent as it is better understood from the following description, which, when taken in connection with the accompanying drawings7 discloses a preferred embodiment thereof.

In the drawings:

Figure l is a vertical sectional view of a roof vent embodying the features of the invention; and

Figures 2 and 3 are detail horizontal sections taken substantially on the lines 2-2, and 3-3, respectively, of Fig. 1.

Referring more particularly tothe drawings, reference numeral I I indicates in general a portion of an ordinary at type of roof construction which includes the usual roof boards I2, tar paper or other type of roong paper I3, and an upper layer of tar and gravel or other roofing boards I2 above which a roof vent, indicated generally by reference numeral I6, is mounted which embodies the features of the present invention.

The roof vent I6 comprises a hollow, openended main body portion I'I, a cover member i8, a spacing collar I9, a moisture collecting cup member 2|, and a tie bolt 22 for securing the other parts together to form a unitary assemblage.

As will be seen in Figs. l and 3, the main body portion I'I of the roof vent IS is provided adjacent its lower end with a substantially square fiange 23 extending outwardly therefrom and formed integrally therewith. The flange 23 is adapted to be rigidly secured in any suitable manner to the roof structure Il, as by means of nails 2li extending through suitable apertures 25 provided in the flange and through the boards I2 of the roof structure. The nails 24 may be clinched or bent upwardly at their lower ends, as shown in Fig. 1, or screws or other desired fastening means may be employed. In the mounting of the roof vent I6,vthe roofing paper I3 is preferably carried over the flange 23, after the latter has been secured to the boards I2, and upwardly around the main body portion Il, as shown in Fig. l. The roonng material Il is then spread around the vent` I6 to provide a leak-proof connection betweenA the latter and the roofing paper I3. It is to be understood, of course, that the vent I6 is equally well adapted for use with any other desired type of roof construction, and that the mounting thereof asdisclosed herein is merely illustrative vof one manner in which the same may be accomplished.

As shown in Fig. l, the lower end of the main body portion VI'I of the vent IE extends downwardly below the flange 23 into the aperture I5 provided in the roof boards I2. The outer surface of this lower end portion of the main body member I'I is beveled, as indicated at 26, to space the same inwardly from the walls of said aperture, for a purpose to be later more fully described. Adjacent this lower end, the main body portion I'I is provided interiorly thereof with inwardly extending arms 2'! (Figs. 1 and 3) which are joined centrally of the body portion by a hub-like member or collar 28. The arms 2'I and collar 28 comprise a guiding web for the tie rod 22, and are preferably formed integrally with the main body portion I1.

The cover I8 is preferably dome-shaped, as shown in Fig. 1, and is provided with inwardly material I4. An aperture I5 is provided in the 55 extending anges 29 which are formed integrally therewith. The lower ends of the flanges 29 terminate a short distance above the bottom edge of the cover I8, and are provided with slots or recesses 3| (Figs. 1 and 2) which engage the upper end of the main body portion I1 to properly position the cover thereon. With this arrangement, the cover I8 rests upon the upper end of the main body portion I1, with the lower edge of the former being spaced outwardly from and below the latter to provide a protected outlet from the interior of the main body portion I1 to the surrounding atmosphere. At its top, the cover I8 is provided with a centrally located aperture 32 through which the tie bolt 22 extends.

In addition to functioning as a guide for the tie bolt 22, the collar 28 cooperates with the upper end of the collar I9 to maintain the pany 2| in desired spaced relationship relative to the lower end of the main body portion I1. The pan 2| is provided with a centrally disposed, circular flange 33 which extends upwardly to the same height as the side walls thereof and, together with the latter, defines an annular moisture re ceiving chamber 34. The flange 33 also denes a centrally located aperture 35 in the pan 2| through which the tie rod 22 extends. The lower end of the collar I9 contacts the upper surface of the iiange 33 to maintain the pan 2| in the proper spaced relationship to the lower end of the main body portion I1. A suitable nut 36 is screwed onto the lower end of the tie rod 22 into tight engagement with the bottom of the pan 2|, and since the head of the tie bolt 22 is in contact with the upper surface of the cover I8, the several members I1, I8, I9 and 2| are rigidly held together in a unitary assemblage.

As will be appreciated from the above description, the pan 2| is disposed in the insulative air space provided below the roof structure II. The vent I6 functions in the desired manner to permit flow of air from this insulative air space to the exterior atmosphere, as indicated by the arrows in Fig. l. If any moisture accumulates in the interior of the main body portion I1, either by condensation on the inner surface thereof, or in any other manner, it will drain downwardly to the lower edge of the main body portion and drip therefrom, as illustrated in Fig. 1, into the pan 2|. The purpose of the beveled portion 26 at the lower end of the main body member I1 is to prevent any moisture so draining from the latter from coming in contact with the roof structure II, and more particularly the inner surfaces of the aperture I in the roof boards I2, and finding its way between the latter and the ange 23. It has been found that' any moisture collecting in the pan 2| will be evaporated therefrom in due course. Consequently, the pan 2| functions as a moisture collecting means which effectively prevents any damage being done to the lower interior ceiling structure.

The construction of the roof vent I6 as a unitary assemblage not only greatly facilitates its manufacture, but makes the handling and installation thereof a very simple matter. In order to provide an extremely durable device, the main body portion I1, the cover I8, and the pan 2| are preferably cast of meehanite iron, although any other suitable material may be employed. As a result, the roof vent IB will be eiectively withstand any weather or other conditions to A which it may be subjected.

It is thought that the invention and many of its attendant advantages will be understood from the foregoing description, and it will be apparent that various changes may be made in the form, construction and arrangement of the parts without departing from the spirit and scope of the invention or sacricing all of its material advantages, the form hereinbefore described being merely a preferred embodiment thereof.

I claim:

l. A roof vent, comprising a hollow, open-ended body, a cover separate from the body for protecting the upper end of said body while permitting the discharge of air therefrom, means disposed below the lower end of said body for collecting any moisture passing downwardly through said body, and means extending through said cover, body, and moisture-collecting means for maintaining the cover, body and moisture collecting means in spaced relation.

2. A roof vent, comprising a hollow, open-ended body, cdver means for protecting the upper end of said body while permitting the discharge of air therefrom, means disposed below the lower end of said body for collecting any moisture passing downwardly through said body, means extending through said cover means, body and moisture collecting means for securing the same together as a unitary assemblage, and means disposed between said body and said moisture collecting means to maintain the same in spaced relationship, to each other.

3. In a roof vent, the combination of a unitary construction, comprising a vertically disposed, hollow vent member having an outwardly extending ilange adapted to be attached to a roof structure for venting a space therebelow, a cover extending outwardly beyond said member and LOUIS H. HOSBEIN.