Title:
Drain
United States Patent 2079269


Abstract:
This invention relates to improvements in drain fixtures for roofs and the like and more specifically to roof fittings of the dome type. It is within the contemplation of my invention to utilize the gases, which are normally generated in sewers, for maintaining the drain, constructed in accordance...



Inventors:
Williams, David S.
Application Number:
US7036936A
Publication Date:
05/04/1937
Filing Date:
03/23/1936
Assignee:
Williams, David S.
Primary Class:
Other Classes:
210/163, 285/42
International Classes:
E04D13/04
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Description:

This invention relates to improvements in drain fixtures for roofs and the like and more specifically to roof fittings of the dome type.

It is within the contemplation of my invention to utilize the gases, which are normally generated in sewers, for maintaining the drain, constructed in accordance with my invention, in working condition even in extremely cold weather. It is universally acknowledged that the waste disposals ] in sewers generate gas; and, in the chemical reaction which takes place, sufficient heat is given off. Some of this heated gas finds its way into the drain pipes and other outlets. By constructing my invention in the manner hereinafter to ]5 be more particularly illustrated, these warm gases passing through the drain pipe to which the drain is connected are directed or shunted in such manner as to adequately warm the drain fixture and thereby maintain it in operating condition regardless of any severe weather.

The present types of roof drains do not provide against the possibility of excessive snow or frost completely rendering the roof fixture inoperative.

One of the principal objects of my invention is to provde a frost drain which will at all times be maintained in operative condition regardless of the weather.

Another important object of the invention is to provide a multi-slotted member and a cap therefor as a part of the drain fixture which provide against the contingency of the drain being rendered inoperative by d6bris or other foreign substances.

Another equally important object of the invention is to provide a member possessing ample slots to afford sufficient waterways or drainage area for normal storm conditions and additional slots on the roof or dome of the member which accepts any overflow resulting from severe storm conditions, thereby assuring against flooded roofs caused either by excessive rains or as a result of the lower slots being clogged by d6bris.

A further object of the invention is to provide means whereby parts of the drain fixture are accessible for replacement or may be readily serviced or the flashing renewed.

Another object of the invention is to provide means within the drain fixture which prevents the forming of undesirable pools or water pockets in the base of the drain fixture or adjacent the meeting edges of the flashing and the drain fixture.

A salient object of the invention is to provide dome-shaped slotted means for protecting the drain fixture against being completely clogged by debris or being frozen over.

A further object of the invention is to provide means for directing the gases emanating from the drain pipe.

Not all of the objects, advantages and characteristic features have been stated. Many more will become apparent from the following description and accompanying drawing which illustrates, by way of example, the application of the invention, in which: Figure 1 is a vertical section of a drain fixture embodying the principles of my invention shown as applied to a roof.

Figure 2 is a plan view of the device illustrated in Figure 1 with the cap member partially broken away to reveal the relative position of the drain- 1 age slots in the drainage member.

Figure 3 is a fragmentary, sectional view, partially broken away, of a portion of the device shown in Figures 1 and 2, taken on line 3-3 of Figure 2, looking in the direction indicated, the same being proportionately magnified to more graphically show the details of construction and the openings to carry off the water.

Figure 4 is a side view of the lower body portion of the drain fixture with a portion broken away to show the position of the bolts within the lower body portion.

The drain fitting embodying my invention consists of a support body generally designated by reference character "A" which possesses certain structural characteristics now to be described.

Internally threaded bore 1 is a part of the support body. A drain pipe (not shown) is threadably connected to the bore, but any water tight connection between the bore and the drain pipe may be used instead of a threaded connection. An inverted frusto-conical annular portion 2 integrally extends from bore 1. Integral with portion 2 is a vertically extending annular portion 3.

Formed as an extension of portions 3 is a laterally extending annular shoulder 4, and an inverted frusto-conical tapered annular flange 5 extends from shoulder 4.

A number of bolt anchoring and retaining recesses 6 are formed within portion 3 and pass through a portion of shoulder 4. Lugs 7 are formed on the outside surface of portion 3 in order to provide sufficient area for recesses 6 and to provide means for fixedly anchoring the whole 50 of the support body securely to the supporting surface, such as a roof. Threaded bolts 8 are removably disposed in recesses 6 so that the heads 9 of the bolts fit substantially snugly within the wide portions 10 of the recesses 6 and the stems 11 of the bolts fit into the narrow portions 12 of the recesses and protrude substantially beyond the recesses.

An annular retaining and anchoring plate 13 is adapted for seating upon shoulder 4. It is, however, positioned so that its inner margin or periphery 14 avoids covering the narrow portions 12 of recesses 6 which pass through shoulder 4.

It is to be noted that there are no openings for bolts or other fastening means, thus eliminating the possibility of damaging the flashing without sacrificing a water tight connection.

The drain fixture embodying my invention also embodies a drain member designated generally by reference character "B". This member is formed with a cylindrical wall 15 possessing therein a number of radially and vertically disposed elongated slots 16. The cylindrical wall 15 extends upwardly and converges at apex 17 of dome portion 18. The dome portion 18 is itself provided with radially disposed slots 19. Slots 16 and 19 are separated from each other by annular portion 20 which has an additional function hereinafter to be more specifically referred to. A laterally extending annular flange 21 is formed around the outer surface of wall 15 in coinciding relationship to the bases of slots 16.

Holes 22 are provided within flange 21 so that they register with recesses 6 in order to permit the stems II of bolts 8 to pass therethrough.

Flange 21 is not only seated on annular retaining plate 13 and functions not only to secure the drain member "B" against support body "A", but also to securely anchor the retaining plate 13 against the roof covering to provide a water tight connection therewith. This is accomplished by threading tightly nuts 8A about stem II. An annular rim 23 extends below flange 21 and is a prolongation of wall 15 so that its periphery 24 is below and in spaced relationship with shoulder 4. By this construction, provision is made for an annular passage 25 into which a number of ports 26, formed within the under side of flange 21, open. These ports not only act as drain openings to allow water to enter into the drain pipes, but also allow some of the gases generated in the sewer lines and emanating from the drain pipe to escape therethrough and thereby raise the temperature around the area immediately adjacent to these ports.

An inverted frusto-conical annular member, generally designated by reference character "C", is positioned within support body "A" in spaced relationship to annular portion 3. This is accomplished by providing a number of legs 27 which extend from member "C" and which have their bases 28 beveled to coincide with the inclined surface 29 of annular portion 3. The outer peripheral edge 30 of member C is (0 spaced from rim 23 and lies slightly below slots 16. The circumference of the inner peripheral edge 31 is slightly less than the circumference of the drain pipe (not shown). Member "C" functions to direct the gases toward the annular ca passage 25 and ports 26 as well as toward the inner surface of wall 15.

Another important unit of the drain fitting embodying my invention is a dome-shaped cap designated generally by reference character "D". This cap is adapted to be seated upon and in spaced relation to the dome portion 18 and is removably secured to apex 7T. To accomplish the above objects, a hub 32 is provided which extends downwardly from the center of the cap. A smaller hub 33 extends from hub 32. Hub 33 fits snugly within an opening 34 formed in apex 17. Another opening 35 passes through hubs 32 and 33 to accommodate pin 36. A washer 37 is positioned around pin 36 and is held against the inner surface of the apex 17 in any desirable manner, as by cotter key 38. To give additional support to cap "D" and to provide against its movement relative to the drain member "B", a number of feet 39 are provided. These feet extend inwardly from the cap so that their beveled bases 40 rest upon annular portion 20. Adjacent the periphery of the cap are formed a number of radially disposed slots 41 which receive flood waters in the event the slots 16 are clogged by debris. My invention may be used on any type of roof whether of wood, metal or composition; and it may also be used for floor drains where considerable refuse is created, such as meat packing establishments and factories. In use, the body Z0 "A" is placed so that the periphery of the tapered annular flange 5 is flush with the roof surface, as illustrated in cross-section in Figure 1. The flashing material of whatever composition is then placed over the upper surface of the flange 5 and shoulder 4 of body "A", see Figures 1 and 3. The annular plate 13 is then placed over the flashing material which rests on shoulder 4. The water tight connection between the body "A", the flashing material and the plate 13 is produced by placing the flange 21 over a portion of plate 13 with the bolts 8 passing through the openings in the flange 21. When the nuts 8A are securely threaded about the stems of bolts 8, not only is pressure applied upon plate 13 and in turn upon the flashing material, but the drain body "B" is securely held against support body "A". It is understood, of course, that member "C" is placed into position before drain body "B" is secured as stated above. The dome-shaped cup "D" not only guards the dome portion 18 of drain body "B" and prevents the clogging of slots 19, but also accumulates the warm gases and keeps the slots from becoming closed by frost. The cap "D" also provides additional drainage area by the slots 41.

The foregoing describes the form embodying my invention, as exemplified in the drawing, but I claim all such modifications of the form illustrated as fairly fall within the scope of the invention defined in the appended claims.

I claim: 1. In a device of the class described, the combination of a supporting body of a general cylindrical contour ending in a tapered flange, said body having a plurality of bolt receiving recesses therein, means positioned within the supporting body for directing the gases passing through the bore of the supporting body, a multi-slotted dome-shaped drainage member, having a lateral annular flange therearound, supported upon and removably secured to the supporting body, and an anchoring plate interposed between the flange of the dome-shaped member and the supporting body and seated upon roofing material for providing a water tight connection therebetween.

2. In a device of the class described, the combination of a supporting body of a general cylindrical contour ending in a tapered flange, said body having a plurality of bolt receiving recesses therein, means positioned within the supporting body for directing the gases passing through the bore of the supporting body, a multi-slotted dome-shaped drainage member having an annular flange therearound, supported upon and removably secured to the supporting body, an anchoring plate interposed between the flange of the dome-shaped member and the supporting body and seated upon roofing material for providing a water tight connection therebetween, and means secured to the apex of the domeshaped drainage member adapted to protect the dome of said member and to accumulate the gases passing through the bore of the supporting body.

3. In a drain, a supporting body having a bore therethrough flaring outwardly to form inverted frusto-conical portions ending in an annular flange, said supporting body having a plurality of recesses for removably anchoring bolts therein, an annular anchoring plate adapted for being seated upon the shoulder of said supporting body with flashing material disposed therebetween, a drainage member, having a plurality of radially disposed elongated slots within its wall and a plurality of radially disposed slots within its dome, removably secured to the supporting member and adapted for retaining the anchoring plate in water tight connection with the flashing material, and means secured to the apex of the dome of the drainage member adapted to protect the dome of said member and to accumulate the gases passing through the bore of the supporting body.

4. In a drain, a supporting body having a bore therethrough flaring outwardly to form inverted frusto-conical portions ending in a flange, said supporting body having a plurality of recesses for removably anchoring bolts therein, an an3 nular anchoring plate adapted for being seated upon the shoulder of said supporting body with flashing material disposed therebetween, a drainage member having a plurality of radially disposed elongated slots within its wall and a plurality of radially disposed slots within its dome, removably secured to the supporting member and adapted for retaining the anchoring plate in water tight connection with the flashing material, means positioned within the supporting body for directing the gases passing through the bore of the supporting body, and means secured to the apex of the dome of the drainage member adapted to protect the dome of said member and to accumulate the gases passing through the bore of the supporting body.

5. The herein described drain comprising, a supporting body having a bore therethrough which merges into a substantially frusto-conical portion ending in a laterally shouldered frustoconical flange, a laterally flanged drainage member of the beehive type removably secured to the supporting member, means disposed between the supporting member and the drainage member for providing a water tight connection therebetween and for securing the flashing material, a plurality of ports disposed within the flange of the drainage member, said ports communicating with the interior of the supporting body, and means removably disposed within the supporting C5 body for directing the gases passing through the bore of the supporting body toward said ports.

6. The herein described drain comprising, a supporting body having a bore therethrough which flares into a substantially frusto-conical portion ending in a laterally shouldered flange, a laterally flanged drainage member of the beehive type removably secured to the supporting member, means between the supporting member, flashing material and drainage member for providing a water tight connection therebetween, a plurality of ports disposed within the flange of the drainage member, said ports communicating with the interior of the supporting body, means removably disposed within the supporting body for directing the gases passing through the bore of the supporting body toward said ports, and a dome-shaped member secured to the drainage member and disposed in spaced relationship thereto, said dome-shaped member having a plurality of slots therein and adapted for accumulating the gases passing through the bore of the supporting body.

7. In a device of the class described, the combination of a supporting body ending in a tapered flange, said body having bolt receiving recesses therein, means positioned within said supporting body for directing the gases passing through the bore thereof, a flanged multi-slotted drainage member supported upon and removably secured to said supporting body, and an anchoring plate interposed between the flange of the drainage member and said supporting body and seated upon roofing material for providing a water tight connection therebetween.

8. In a device of the class described, the combination of a supporting body ending in a tapered flange, means positioned within said supporting body for directing the gases passing through the bore thereof, a drainage member supported upon and removably secured to said supporting body, an anchoring plate interposed between the flange of said dome-shaped member and said supporting body and seated upon roofing material for providing a water tight connection therebetween, and means secured to the apex of the drainage member adapted to accumulate the gases passing through the bore of said supporting body.

9. In a drain, an outwardly flaring supporting body having a bore therethrough, said supporting body having recesses for removably anchoring bolts therein, an annular anchoring plate adapted for being seated upon said supporting body with flashing material disposed therebetween, a slotted drainage member removably secured to said supporting member and adapted for retaining said anchoring plate in water tight connection with the flashing material, and means secured to said drainage member adapted to prevent said member from becoming clogged by debris.

10. In a drain, a supporting body having a bore therethrough, said supporting body having recesses for removably anchoring bolts therein, an annular anchoring plate adapted for being seated upon said supporting body with flashing material disposed therebetween, a multi-slotted drainage member removably secured to the supporting member and adapted for retaining the anchoring plate in water tight connection with the flashing material and a slotted dome-shaped member secured to the apex of said drainage member and adapted to protect said member from debris and to also accumulate the gases passing through the bore of said supporting body.

11. In a drain, a flanged supporting body having a bore therethrough, an annular anchoring plate adapted for being seated upon said supporting body with flashing material disposed therebetween, a drainage member, having a plurality of radially disposed elongated slots within its wall and a plurality of radially disposed slots within its dome, removably secured to the supporting member, means positioned within said supporting body for directing the gases passing through the bore of said supporting body, and a dome-shaped member secured to the apex of said drainage member adapted to protect the dome of said member from debris.

12. The herein described drain comprising, a supporting body having a bore therethrough which merges into a substantially frusto-conical portion ending in a laterally shouldered frustoconical flange, said body having a plurality of bolt receiving recesses therein, a laterally flanged drainage member of the bee-hive type removably secured to said supporting member, means disposed between said supporting member and said drainage member for providing a water tight connection therebetween and for securing the flashing material, a plurality of ports disposed within the flange of said drainage member, said ports communicating with the interior of said supporting body, and an annular ring removably disposed within said supporting body adapted for directing the gases passing through the bore of said supporting body toward said ports.

13. The herein described drain comprising a supporting body having a bore therethrough which merges into a substantially frusto-conical portion ending in a laterally shouldered frustoconical flange, said body having a plurality of bolt receiving recesses therein, a laterally flanged drainage member of the beehive type removably secured to said supporting member and means disposed between said supporting member and said drainage member for providing a water tight connection therebetween and for securing the flashing material, said drainage member having a plurality of ports disposed within the flange thereof, said ports communicating with the interior of said supporting body.

14. The herein described drain comprising, a flanged body having a bore therethrough which flares into a substantially frusto-conical portion, said body having a plurality of bolt receiving recesses, a flanged drainage member of the beehive type removably secured to said supporting member, a plurality of ports disposed within the flange of said drainage member, said ports communicating with the interior of said supporting body, means removably disposed within said supporting body for directing the gases passing through the bore of said supporting body toward said ports, and a dome-shaped member secured to and disposed in spaced relationship to said drainage member.

DAVID S. WILLIAMS