US3707733A - Flapper flush valve - Google Patents

Flapper flush valve Download PDF

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Publication number
US3707733A
US3707733A US00135252A US3707733DA US3707733A US 3707733 A US3707733 A US 3707733A US 00135252 A US00135252 A US 00135252A US 3707733D A US3707733D A US 3707733DA US 3707733 A US3707733 A US 3707733A
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Prior art keywords
flapper
overflow tube
tabs
opening
set forth
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US00135252A
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W Gore
E Shapiro
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TWENTIETH CENTURY COMPANIES Inc A CORP OF
TWENTIETH CENTURY COMPANIES Inc A CORP OF DE
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Beatrice Foods Co
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Assigned to BEATRICE COMPANIES, INC. reassignment BEATRICE COMPANIES, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE JUNE 5, 1984. Assignors: BEATRICE FOODS CO.
Assigned to TWENTIETH CENTURY COMPANIES, INC., A CORP. OF DE reassignment TWENTIETH CENTURY COMPANIES, INC., A CORP. OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BEATRICE COMPANIES, INC.
Assigned to TWENTIETH CENTURY COMPANIES, INC., A CORP. OF DE. reassignment TWENTIETH CENTURY COMPANIES, INC., A CORP. OF DE. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BEATRICE COMPANIES, INC., A CORP. OF DE.
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/34—Flushing valves for outlets; Arrangement of outlet valves

Definitions

  • a flapper flush valve comprising an integral unitary 'flexible resilient valve unit provided with means whereby it may be anchored to fit around the overflow US. Cl. ..4/57 P, t b f a t il t t k, or y b connected t th p [51] Int. Cl. ..E03d 1/34 jections of "unions on an overflow tube or may be Fleld of Search ..4/56, 57, 67, P anchored to a upport member other than the overflow tube.
  • Each of these flapper valves are therefore attached in the toilet tank according to their particular construction and this necessitates a supply of flapper ball valves of each of the various types to fit and be accommodated in a particular tank, thus requiring a manufacturer to build three or more different types of flapper valves and requires the supplier to stock and maintain an inventory of each of the various types of flapper valves, all of which adds to the cost of manufacture and necessitates maintaining an inventory of different types of flapper valves.
  • An object of this invention therefore is to provide a flapper flush valve which in one construction can be made so that it can be accommodated and attached to any type of toilet tank, that is, it may be connected'by slipping same over an overflow tube, or it may be connected to the projections or trunions on the on the overflow tube, or it may be connected to attaching means in the toilet tank other than to the overflow tube.
  • Another object of this invention is to provide a flapper flush valve which is universally adaptable for mounting in the various toilet tanks so that it could be used in any one of such toilet tanks.
  • FIG. 1 is a view of the flapper valve of this invention which has been slipped over the overflow tube.
  • FIG. '2 is a view taken on line 2-2 of FIG. 1.
  • FIG. 3 is a view showing the flapper valve attached to pins or trunions on the overflow tube with the sleeve portion of the unit cut or removed from the valve.
  • FIG. 4 is a view taken on line 44 of FIG. 3.
  • FIG. 5 is a view of the flapper valve attached to a post in the toilet tank with the sleeve and the upwardly extending tabs removed.
  • FIG. 6 is a view taken on line 6-6 of FIG. 5, and
  • FIG. 7 is a sectional view taken on line 7--7 of FIG. 1 but omitting the overflow tube.
  • the flapper flush valve unit forming this invention is generally designated by the numeral 10 and is formed or molded as a single unitary construction of rubber or like material which is flexible and resilient, and comprises a body portion 12 which has a front portion 14 provided with a closure 16, an intermediate portion 18 which has the sleeve 20, spaced upwardly extending tabs 22 adjacent to but spaced from the sleeve 20, and at the rear portion 26 has a transversely extending slot 28.
  • a U-shaped cutout or opening 30 which extends forwardly of the sleeve as at 32 and to the opposite sides 34 of the sleeve.
  • the sides 34 of the cutout are parallel to but inwardly of the tabs 22.
  • the intermediate portion 18 of the body is provided with two spaced flexible side hinge arms 36 which connect the front portion 14 to the rear portion 26.
  • a peripheral stiffening bead 38 is molded on the upper surface of the body portion and extends completely around the entire body portion.
  • the closure member 16 has an annular raised portion 40 extending upwardly of the top of the body, and a depending hollow float bulb 42 which is open as at 44 at the bottom thereof.
  • the float bulb 42 serves as a flotation chamber and the opening 44 may be closed by a plug, not shown, when desired.
  • the underside of the front portion of the body surrounding the float bulb is smooth and unobstructed and said surrounding surface forms a sealing portion 43 so that when the float bulb is received in the usual flush valve fitting of a conventional toilet flush tank the sealing portion 43 will engage the surrounding surface of the valve fitting and seal it off to close the outlet of the water from the flush tank.
  • a tab 64 Projecting forwardly of the front portion 14 and formed integrally therewith is a tab 64 having an opening 65 to which is attached a flexible chain 66 for lifting the closure from the closed position by means of the usual operation.
  • the spaced tabs 22 are provided with transversely extending alined openings 23.
  • the conventional toilet tank has a conventional overflow tube 46 and a tank outlet valve fitting generally indicated at 48.
  • the sleeve 20 of the unit is slipped over the overflow tube 46 and the float bulb 42 would be positioned within the outlet valve fitting 48.
  • the unit is thus firmly anchored to the conventional overflow pipe and is operated by lifting the front portion 14 by means of the chain 46 which lifts the float bulb 42 from the valve fitting 48 to allow the water in the tank to flush the toilet, after which the float bulb will again seat in the valve fitting 48 and the sealing portion 43 will seal the outlet.
  • the overflow tube 50 is provided with a pair of oppositely extending pins or trunions 52.
  • the sleeve 20 may be cut off from the unit by cutting along the line 54 to provide withthe U-shaped opening 30 a rectangularshaped opening 56 which will surround the overflow tube but will be free from contact therewith.
  • the tab openings 23 will then be positioned on the pins 52 to secure the unit in proper anchored position.
  • FIGS. 5 and 6 where the unit cannot be secured to the overflow tube it may be secured by means of the elongated slot 28 at the rear of the member.
  • anchoring posts or uprights generally designated by the numeral 60, which are usually provided on the bottom of the tank, and the elongated slot 28 is positioned over and on such posts to thus firmly anchor the flapper flush valve thereto.
  • the sleeve 20 is cut away, as previously described, and the tabs 22 may also be cut away, as shown in FIG. 5, however, even if the tabs are left, the rectangular openings 56 formed by the cut-away sleeve will prevent interference with the overflow tube in the tank.
  • a unitary formed flapper flush valve for use in a toilet tank having an outlet opening for the water to pass to the toilet from the tank and an overflow tube
  • said unitary flapper flush valve can be accommodated by any one of three types of tanks and comprising a front portion having a float bulb adapted to seat in the outlet opening, an intermediate portion having an annular opening and a pair of spaced tabs with openings therein which tabs extend on the opposite sides of the annular opening, said annular opening and said tabs adapted to be selectively used for either connecting the annular opening to the overflow tube or connecting the tabs through their openings to the trunions or pins on the overflow pipe, said unitary flapper valve having a rear portion provided with an opening whereby said flapper valve may be selectively attached to an anchoring member in said tank.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

A flapper flush valve comprising an integral unitary flexible resilient valve unit provided with means whereby it may be anchored to fit around the overflow tube of a toilet tank, or may be connected to the projections or trunions on an overflow tube, or may be anchored to a support member other than the overflow tube.

Description

United States Patent 1191 Gore et al. 1 1 Jan. 2, 1973 54] FLAPPER FLUSH VALVE 2,787,004 4/1957 Zinkil et al ..4/s7 P 3,167,787 2/l965 Conneal ..4/57 P 1 lnvemorsl William Eusene 3,154,794 11/1964 AntunegJr ..4 5? P Shapiro, both of Skokie, lll.
- Primary Examiner-Henry K. Artis [73] Ass1gnee. :fatrice Foods Company, Skoiue, Attorney Max R. Kraus [22] Filed: April 19, 1971 [57] ABSTRACT [2]] Appl. No.: 135,252 A flapper flush valve comprising an integral unitary 'flexible resilient valve unit provided with means whereby it may be anchored to fit around the overflow US. Cl. ..4/57 P, t b f a t il t t k, or y b connected t th p [51] Int. Cl. ..E03d 1/34 jections of "unions on an overflow tube or may be Fleld of Search ..4/56, 57, 67, P anchored to a upport member other than the overflow tube.
[56] References Cited 6 Claims, 7 Drawing Figures UNITED STATES PATENTS 2,767,406 10/1956 Bennett ..4/57 P FLAPPER FLUSH VALVE BRIEF SUMMARY OF THE INVENTION The prior art discloses various types of flapper flush valves which have means whereby they fit over and around the overflow tube of a toilet tank, while others are provided with means for attachment to the projections or trunions on an overflow tube, and still others are provided with means whereby they are attached to and anchored to support means in the toilet tank, other than the overflow tube. Each of these flapper valves are therefore attached in the toilet tank according to their particular construction and this necessitates a supply of flapper ball valves of each of the various types to fit and be accommodated in a particular tank, thus requiring a manufacturer to build three or more different types of flapper valves and requires the supplier to stock and maintain an inventory of each of the various types of flapper valves, all of which adds to the cost of manufacture and necessitates maintaining an inventory of different types of flapper valves.
An object of this invention therefore is to provide a flapper flush valve which in one construction can be made so that it can be accommodated and attached to any type of toilet tank, that is, it may be connected'by slipping same over an overflow tube, or it may be connected to the projections or trunions on the on the overflow tube, or it may be connected to attaching means in the toilet tank other than to the overflow tube.
Another object of this invention is to provide a flapper flush valve which is universally adaptable for mounting in the various toilet tanks so that it could be used in any one of such toilet tanks.
BRIEF DESCRIPTION OF THE DRAWINGS In the drawings:
FIG. 1 is a view of the flapper valve of this invention which has been slipped over the overflow tube.
FIG. '2 is a view taken on line 2-2 of FIG. 1.
FIG. 3 is a view showing the flapper valve attached to pins or trunions on the overflow tube with the sleeve portion of the unit cut or removed from the valve.
FIG. 4 is a view taken on line 44 of FIG. 3.
FIG. 5 is a view of the flapper valve attached to a post in the toilet tank with the sleeve and the upwardly extending tabs removed.
FIG. 6 is a view taken on line 6-6 of FIG. 5, and
FIG. 7 is a sectional view taken on line 7--7 of FIG. 1 but omitting the overflow tube.
The flapper flush valve unit forming this invention is generally designated by the numeral 10 and is formed or molded as a single unitary construction of rubber or like material which is flexible and resilient, and comprises a body portion 12 which has a front portion 14 provided with a closure 16, an intermediate portion 18 which has the sleeve 20, spaced upwardly extending tabs 22 adjacent to but spaced from the sleeve 20, and at the rear portion 26 has a transversely extending slot 28. At the intermediate portion 18 of the body around a portion of the sleeve there is a U-shaped cutout or opening 30 which extends forwardly of the sleeve as at 32 and to the opposite sides 34 of the sleeve. The sides 34 of the cutout are parallel to but inwardly of the tabs 22. With the cutout or opening 30, the intermediate portion 18 of the body is provided with two spaced flexible side hinge arms 36 which connect the front portion 14 to the rear portion 26. A peripheral stiffening bead 38 is molded on the upper surface of the body portion and extends completely around the entire body portion.
The closure member 16 has an annular raised portion 40 extending upwardly of the top of the body, and a depending hollow float bulb 42 which is open as at 44 at the bottom thereof. The float bulb 42 serves as a flotation chamber and the opening 44 may be closed by a plug, not shown, when desired. The underside of the front portion of the body surrounding the float bulb is smooth and unobstructed and said surrounding surface forms a sealing portion 43 so that when the float bulb is received in the usual flush valve fitting of a conventional toilet flush tank the sealing portion 43 will engage the surrounding surface of the valve fitting and seal it off to close the outlet of the water from the flush tank.
Projecting forwardly of the front portion 14 and formed integrally therewith is a tab 64 having an opening 65 to which is attached a flexible chain 66 for lifting the closure from the closed position by means of the usual operation. The spaced tabs 22 are provided with transversely extending alined openings 23.
As shown in FIGS. 1 and 2, the conventional toilet tank has a conventional overflow tube 46 and a tank outlet valve fitting generally indicated at 48. In this type of construction the sleeve 20 of the unit is slipped over the overflow tube 46 and the float bulb 42 would be positioned within the outlet valve fitting 48. The unit is thus firmly anchored to the conventional overflow pipe and is operated by lifting the front portion 14 by means of the chain 46 which lifts the float bulb 42 from the valve fitting 48 to allow the water in the tank to flush the toilet, after which the float bulb will again seat in the valve fitting 48 and the sealing portion 43 will seal the outlet.
In tanks such as shown in FIGS. 3 and 4, the overflow tube 50 is provided with a pair of oppositely extending pins or trunions 52. In this instance the sleeve 20 may be cut off from the unit by cutting along the line 54 to provide withthe U-shaped opening 30 a rectangularshaped opening 56 which will surround the overflow tube but will be free from contact therewith. The tab openings 23 will then be positioned on the pins 52 to secure the unit in proper anchored position.
In other types of toilet flush tanks, such as shown in FIGS. 5 and 6, where the unit cannot be secured to the overflow tube it may be secured by means of the elongated slot 28 at the rear of the member. In such tanks there are anchoring posts or uprights, generally designated by the numeral 60, which are usually provided on the bottom of the tank, and the elongated slot 28 is positioned over and on such posts to thus firmly anchor the flapper flush valve thereto. In such instances the sleeve 20 is cut away, as previously described, and the tabs 22 may also be cut away, as shown in FIG. 5, however, even if the tabs are left, the rectangular openings 56 formed by the cut-away sleeve will prevent interference with the overflow tube in the tank.
The foregoing describes the three methods of attachment by means of this invention and, as can be appreciated, the flapper flush valve which incorporates all of the foregoing methods of attachment can be each individually used depending upon whichever type of attachment is applicable under the particular circumstances. Thus, the invention herein lends itself to a universality of attachment to various types of toilet flush tanks.
What is claim is:
1. A unitary formed flapper flush valve for use in a toilet tank having an outlet opening for the water to pass to the toilet from the tank and an overflow tube, said unitary flapper flush valve can be accommodated by any one of three types of tanks and comprising a front portion having a float bulb adapted to seat in the outlet opening, an intermediate portion having an annular opening and a pair of spaced tabs with openings therein which tabs extend on the opposite sides of the annular opening, said annular opening and said tabs adapted to be selectively used for either connecting the annular opening to the overflow tube or connecting the tabs through their openings to the trunions or pins on the overflow pipe, said unitary flapper valve having a rear portion provided with an opening whereby said flapper valve may be selectively attached to an anchoring member in said tank.
2. A structure as set forth in claim 1 in which the annular opening has a sleeve portion whereby the sleeve is accommodated on the overflow tube.
3. A structure as set forth in claim 1 in which the opening in the intermediate portion is positioned between the front portion and the rear portion and the intermediate portion is connected to the rear portion but is separated from the front portion and the sides of the intermediate portion by a continuous slot.
4. A structure as set forth in claim 3 in which the tabs are positioned on the sides of the intermediate portion and extend upwardly thereof.
5. A structure as set forth in claim 4 in which the unit is formed ofa flexible resilient material.
6. A structure as set forth in claim 1 in which the unit is formed of a flexible resilient material.
III

Claims (6)

1. A unitary formed flapper flush valve for use in a toilet tank having an outlet opening for the water to pass to the toilet from the tank and an overflow tube, said unitary flapper flush valve can be accommodated by any one of three types of tanks and comprising a front pOrtion having a float bulb adapted to seat in the outlet opening, an intermediate portion having an annular opening and a pair of spaced tabs with openings therein which tabs extend on the opposite sides of the annular opening, said annular opening and said tabs adapted to be selectively used for either connecting the annular opening to the overflow tube or connecting the tabs through their openings to the trunions or pins on the overflow pipe, said unitary flapper valve having a rear portion provided with an opening whereby said flapper valve may be selectively attached to an anchoring member in said tank.
2. A structure as set forth in claim 1 in which the annular opening has a sleeve portion whereby the sleeve is accommodated on the overflow tube.
3. A structure as set forth in claim 1 in which the opening in the intermediate portion is positioned between the front portion and the rear portion and the intermediate portion is connected to the rear portion but is separated from the front portion and the sides of the intermediate portion by a continuous slot.
4. A structure as set forth in claim 3 in which the tabs are positioned on the sides of the intermediate portion and extend upwardly thereof.
5. A structure as set forth in claim 4 in which the unit is formed of a flexible resilient material.
6. A structure as set forth in claim 1 in which the unit is formed of a flexible resilient material.
US00135252A 1971-04-19 1971-04-19 Flapper flush valve Expired - Lifetime US3707733A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3955218A (en) * 1975-04-07 1976-05-11 Jerrold Craig Ramsey Self-venting tank valve for toilet tanks
US3962731A (en) * 1974-04-03 1976-06-15 Marvin H. Cheiten Flapper-type discharge valve for flush tanks
US3969775A (en) * 1973-12-04 1976-07-20 Haselton Frederick R Water closet flushing device
US4028748A (en) * 1974-08-15 1977-06-14 Adolf Schoepe Valve seat of a flush valve used in flush tanks and the like
US4365364A (en) * 1981-06-29 1982-12-28 Riedel Rudolph T Toilet flush control using a hollow crown instant close flapper valve
US4499616A (en) * 1978-07-21 1985-02-19 Fillpro Products, Inc. Flush valve
US4698859A (en) * 1986-04-15 1987-10-13 Brass-Craft Manufacturing Company Flapper flush valve assembly
US4841580A (en) * 1987-03-13 1989-06-27 Michael Agostino Buoyant and non-buoyant valve
US4872473A (en) * 1988-03-30 1989-10-10 Michael Agostino Dual float valve control for regular and douglas type valve
US5138725A (en) * 1990-04-27 1992-08-18 Frugal Fellows Limited Partnership Travel limiting flapper valve mounting adapter
US5175895A (en) * 1990-04-27 1993-01-05 Fike Jeffrey R Flapper valve mounting adapter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767406A (en) * 1954-07-01 1956-10-23 Samuel M Bennett Toilet tank flush valves
US2787004A (en) * 1955-10-26 1957-04-02 Crane Co Stiffener means for valve closure
US3154794A (en) * 1963-02-25 1964-11-03 Jr Armand E Antunez Flush valve
US3167787A (en) * 1963-08-30 1965-02-02 Connealy Hugh Mcdermott Pivoted valve mounting assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767406A (en) * 1954-07-01 1956-10-23 Samuel M Bennett Toilet tank flush valves
US2787004A (en) * 1955-10-26 1957-04-02 Crane Co Stiffener means for valve closure
US3154794A (en) * 1963-02-25 1964-11-03 Jr Armand E Antunez Flush valve
US3167787A (en) * 1963-08-30 1965-02-02 Connealy Hugh Mcdermott Pivoted valve mounting assembly

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969775A (en) * 1973-12-04 1976-07-20 Haselton Frederick R Water closet flushing device
US3962731A (en) * 1974-04-03 1976-06-15 Marvin H. Cheiten Flapper-type discharge valve for flush tanks
US4028748A (en) * 1974-08-15 1977-06-14 Adolf Schoepe Valve seat of a flush valve used in flush tanks and the like
US3955218A (en) * 1975-04-07 1976-05-11 Jerrold Craig Ramsey Self-venting tank valve for toilet tanks
US4499616A (en) * 1978-07-21 1985-02-19 Fillpro Products, Inc. Flush valve
US4365364A (en) * 1981-06-29 1982-12-28 Riedel Rudolph T Toilet flush control using a hollow crown instant close flapper valve
US4698859A (en) * 1986-04-15 1987-10-13 Brass-Craft Manufacturing Company Flapper flush valve assembly
US4841580A (en) * 1987-03-13 1989-06-27 Michael Agostino Buoyant and non-buoyant valve
US4872473A (en) * 1988-03-30 1989-10-10 Michael Agostino Dual float valve control for regular and douglas type valve
US5138725A (en) * 1990-04-27 1992-08-18 Frugal Fellows Limited Partnership Travel limiting flapper valve mounting adapter
US5175895A (en) * 1990-04-27 1993-01-05 Fike Jeffrey R Flapper valve mounting adapter

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