|Publication number||US3007648 A|
|Publication date||Nov 7, 1961|
|Filing date||Apr 20, 1959|
|Priority date||Apr 20, 1959|
|Publication number||US 3007648 A, US 3007648A, US-A-3007648, US3007648 A, US3007648A|
|Original Assignee||Speakman Co|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (5), Referenced by (47), Classifications (13)|
|External Links: USPTO, USPTO Assignment, Espacenet|
n6 fi 7 Nov. 7, 1961 J. FRASER 3,007,648
HAVING ONSTANT VOLU AUTOMATIC ow com DEVICE THER SHOWER HEAD Filed April 20, 1959 2 Sheets-Sheet 1 INVENTORS Edward 5. MZealv Ja'mas flmsez' ATTORNEYS J. FRASER 3,007,648 SHOWER HEAD HAVING A CONSTANT VOLUME AUTOMATIC Nov. 7, 1961 FLOW CONTROL DEVICE THEREIN 2 Sheets-Sheet 2 Filed April 20, 1959 INVENTORS Zimml 6f MZeazv James Frms'er BY M ATTORNEYS United States Patent 3,007,648 SHOWER HEAD HAVING A CONSTANT VOLUME AUTOMATIC FLOW CONTROL DEVICE THEREIN James Fraser, Wilmington, Del., assignor to Speakman Company, Wilmington, Del. Filed Apr. 20, 1959, Ser. No. 807,381 3 Claims. (Cl. 239-460) This invention relates to a combination of a flow control device and valve structure.
One of the problems encountered in the modern community is the excessive use of water, industrially and domestically. It has become necessary to control the water consumption, particularly in household use. The present invention is for a flow control device that can be installed in conjunction with ordinary valve fixtures for use in controlling the flow of water and the quantity of water, and the individual problems of each separate installation.
It is an object of the present invention to so mount the control valve with the volume control device so as to permit ready access for repair without extensive dismantling of the assembly.
It is another object of the present invention to combine a flow control device with an ordinary plumbing fixture without excessive redesigning of the fixture.
The various features of novelty which characterize this invention are pointed out with particularity in the claims annexed to and forming part of this specification. For a better understanding of the invention, however, its advantages and specific objects obtained by its use, reference should be had to the accompanying drawings and descriptive matter in which have been illustrated a preferred embodiment of the invention.
In the drawings:
FIGURE 1 is a fragmentary front elevational view, partially broken away to show the mounting of the flow control unit.
FIG. 2 is a fragmentary horizontal sectional view on line 22 of FIG. 1.
FIG. 3 is a vertical sectional view on line 3-3 of FIG. 2.
FIG. 4 is a vertical sectional view on line 4-4 of FIG. 2.
FIG. 5 is a plan view of a modification of this invention.
FIG. 6 is a vertical sectional view on line 6-6 of FIG. 5.
FIG. 7 is a horizontal sectional view on line 7-7 of FIG. 6.
Referring more in detail to the drawings; a vandal proof shower head having a base plate 20 is attached to its support (not shown), and supports a casing 22, shown in FIG. 1. Across the lower end of the casing is a face plate 23 having plungers 24, 24 therein and being attached to the casing by means of machine screws 25, 25. Water is admitted to the casing by means of inlet 26, shown in FIG. 2, and passes through the conduit 27 through the yielding apertured disk type flow control device assembly 28 (shown in FIG. 3), and flows into the casing through the vents 29, 29, shown in FIGS. 1, 2 and 4. The flow control device is held in position by means of the cap 30 which seals oil the opening in the casing.
When mounting a shower head of this type, the shower head is fastened to the support, and the water supply inlet 26 is attached to the casing so that the conduit 27' is in communication with the inlet 26. The plungers 24, 24 are adjusted in the face plate 23 and the water control valve (not shown) is then opened. A constant volume spray is then delivered by this shower head regardless 3,007,648 Patented Nov. 7, 1961 ice 2 of variations in pressure of the water admitted to the inlet 26.
If it is desired to repair the regulator the cap 30 is removed, the regulator withdrawn and either repaired or replaced by a new one. This does not require the dismantling of the assembly and permits ready access to the flow control unit.
The second modification of the device is shown in FIGS. 5, 6 and 7, wherein a manually controlled shower head has a casing 32, shown in FIG. 5. This casing has an inlet 33 at one end and a face plate 34 at the other end. The plungers 35, 35 are suspended on the yoke 36 and are retained within the opening in the face plate by means of this yoke which is suspended by the pin 37 attached to the eccentric 38, which is rotated by the handle 39, the plunger therefore being manually adjustable. The upper end of the casing has attached thereto a ball joint 40. Retained the ball joint, by means of the lip 41, is a yielding apertured disk type flow control device 42, shown in FIGS. 6 and 7.
On assembly, the shower head has inserted within its ball joint the flow control device, and is then attached to the supply pipe having a water inlet 33. When the water is admitted through this inlet, the water is controlled by a valve (not shown) and it then flows past the flow control device 42 and into the shower head casing 32. The force of this spray is controlled by adjusting the plungers by means of the handle 39 Within the face plate 34 but the volume of the spray is maintained constant by means of the yielding apertured disk type flow control device. When it is desired to either replace or inspect this device, the shower head is removed from the inlet 33 and the flow control device may then be removed firom the ball joint. It is not necessary to remove the face plate 34 or in any way disassemble the shower head.
The automatic flow control device referred to above is of .the yielding apertu-rcd type and usually comprises a bottom portion and an upper portion and a resilient portion therebet-Ween which maintains a constant flow of water usually about 4 /2 gals. per minute from the shower head regardless of the pressure in the water main. This device is automatic and does not require any manual adjustment. It is not a manual valve similar to the usual shut-oil valves associated with some shower heads, but does comprise a unit which is placed wholly within the shower head and is not capable of adjustment without dis-assembling the shower head.
While in accordance with the provisions of the statute, the best forms of embodiment of this invention have been illustrated and described, it will be apparent to those skilled in the art that changes may be made in the forms of the apparatus disclosed without departing from the spirit of this invention as set forth in the appended claims and that in some cases certain features may be used to advantage without a corresponding use of other features.
What is claimed is:
1. In a shower head producing a relatively constant volume shower irrespective of water pressure in the water main, the combination comprising: a casing having a water supply inlet and a spray outlet, a ball joint between the water main and the water supply inlet, an automatic flow control device comprising a supported bottom portion, a movable upper portion, a resilient portion between said upper and said bottom portion, said automatic flow control device being positioned in the ball joint between the Water main and the casing, said spray outlet comprising a face plate having apertures therein and plungers manually, "adjustably retained within the casing.
2. In a shower head producing a relatively constant volume shower irrespective of water pressure in the water main, the combination comprising: a casing having a water supply inlet and a spray outlet, an automatic flow control device comprising a supported bottom portion, a movable upper portion, a resilient portion between said upper and said bottom portion, said automatic flow con trol device being positioned between the Water main and the casing, said spray outlet comprising a face plate having apertures therein and plungers within the aperture fixed Within the casing.
3. In a shower head producing a relatively constant volume shower irrespective of water pressure in the Water main, the combination comprising: a casing having a Water supply inlet and a spray outlet, an automatic flow control device comprising a supported bottom portion, a movable upper portion, a resilient portion between said upper and said bottom portion, said automatic flow control device being positioned in the source of Water supply whereby the Water flowing through the inlet must pass through the flow control device before entering the 5 casing.
References Cited in the file of this patent UNITED STATES PATENTS Re. 20,488 Zinkil Aug. 24, 1937 2,084,156 Marsden June 15, 1937 2,534,549 Fraser Dec, 19, 1950 2,756,108 Warren July 24, 1956 2,948,300 Fraser Aug. 9, 1960
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|U.S. Classification||239/460, 239/533.13, 138/40, 239/562, 239/570, 239/552|
|International Classification||G05D7/00, G05D7/01, B05B1/30|
|Cooperative Classification||B05B1/3006, G05D7/016|
|European Classification||B05B1/30A, G05D7/01D4|