US3758893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water saver toilet bowl flush system
Assignee: Individual
•
Filing: 1972-06-08
•
Granted: 1973-09-18
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Expires: 1992-06-08
Abstract
Abstract A two-level selective volume valve assembly for providing optional light and heavy flushes in toilets having storage tanks; twisting the control actuates a quick-opening flapper type upper valve which releases water from a higher level only; pushing the control actuates a lower straight-lift valve closure which carries with it the upper valve and a tube spacing the two, releasing the full capacity of the tank; single clamp installation and adjustment of the valve assembly, single-screw installation of the double acting control, and use of commonly available toilet valve parts and control parts modified to the special design of the invention are other features of the invention.
Inventors
- 👤 W Smolinski
- 👤 B Skeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:37
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/14; E03D1/142; E03D1/145; E03D1/30; E03D1/34; Y; Y02; Y02A; Y02A20/00; Y02A20/40
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
141 words
In a toilet bowl flush assembly having a tank with one wall perforated for a flush lever and a removable cover, and inside the tank a drain having a circular aperture and a vertical standpipe connected to the side of the drain, the improvement comprising: means for slidably engaging the standpipe; means, integral with the slidably engaging means, for sealing the circular opening of the drain, thereby defining a first flush level; said means for sealing at the circular aperture of the drain being vertically elongate and having a vertical passage therethrough into the drainpipe; means, integral with the slidably engaging means, for sealing the upper end of said vertical passage, thereby defining a second flush level and means for selectively opening the means for sealing the circular aperture and the means for sealing the upper end of the vertical passage.
Claim 2
Dependent Claim
141 words
In a toilet bowl flush assembly having a tank with one wall perforated for a flush lever and a removable cover, and inside the tank a drain having a circular aperture and a vertical standpipe connected to the side of the drain, the improvement comprising: means for slidably engaging the standpipe; means, integral with the slidably engaging means, for sealing the circular opening of the drain, thereby defining a first flush level; said means for sealing at the circular aperture of the drain being vertically elongate and having a vertical passage therethrough into the drainpipe; means, integral with the slidably engaging means, for sealing the upper end of said vertical passage, thereby defining a second flush level and means for selectively opening the means for sealing the circular aperture and the means for sealing the upper end of the vertical passage.
Claim 3
Dependent Claim
53 words
In a toilet bowl flush assembly as recited in claim 1, the vertically elongate means for sealing at the circular aperture of the drain comprising a substantially uniform tube and an annulus of resilient material integral with the lower end thereof for thereby sealing the circular aperture of the drain on contact therewith.
Claim 4
Dependent Claim
39 words
In a toilet flush bowl as recited in claim 2, the means for sealing the upper end of said vertical passage comprising a tapered closure of resilient material adapted for removable engagement with the upper end of said tube.
Claim 5
Dependent Claim
42 words
In a toilet flush as recited in claim 3, the means for slidably engaging the standpipe comprising a tubular member having a vertical slot with parallel sides and a limit at the bottom, and means uniting the tubular member with said tube.
Claim 6
Dependent Claim
107 words
In a toilet flush as recited in claim 4, a clamp adapted to slide over said standpipe with the slotted tubular member, the clamp having an extended portion adapted to guide the parallel sides of said vertical slot and to strike said limit at the bottom of the vertical slot at one extreme of motion, and means for adjustably and simultaneously fixing the clamp in rotative and vertical position on the standpipe, whereby fixing the clamp on the standpipe in adjustment both laterally centers said anunulus of resilient material over the drain, and limits the degree of opening therebetween on actuation of said means for selectively opening.
Claim 7
Dependent Claim
88 words
In a toilet flush as recited in claim 1, the means for selectively opening the means for sealing at the circular aperture of the drain including a vertically deployed tensile member adapted for raising said means for slidably engaging the standpipe, the means for sealing the upper end of the vertical passage having a pivotal extension, and the means for selectively opening the means for sealing the upper end of the vertical passage including a horizontally deployed tensile member tangentially arranged with respect thereto for actuating said pivot.
Claim 8
Dependent Claim
75 words
In a toilet flush as recited in claim 6, the means for selectively opening including a control passing through said tank wall perforation and being rotatable therein, a first arm rotatable by rotation of said control, and a connection between said first arm and horizontally deployed tensile member for thereby pivotally opening the means for sealing the upper end of the vertical passage, permitting flushing to said first level on rotation of said rotatable control.
Claim 9
Dependent Claim
85 words
In a toilet flush as recited in claim 7, said control being axially movable on axial push of a portion thereof exterior the tank, a second arm adapted for verticaL movement by axial movement of the control, and a connection between said second arm and vertically deployed tensile member for thereby raising said means for slidably engaging the standpipe, thereby opening the means for sealing the circular aperture at the drain and permitting flushing to said second level on a said push of the control.
Claim 10
Dependent Claim
50 words
In a toilet flush as recited in claim 8, said means for selectively opening including a frame portion engaging the tank wall and adapted for slidable engagement with the control when the control is axially pushed, thereby providing said selective opening by preventing simultaneous push and rotation of the control.
Claim 11
Dependent Claim
115 words
In a toilet flush as recited in claim 7, the adaption for vertical movement of the second arm including a frame member passing through the tank wall and slidably receiving the control, a link having a hole therethrough, the link being pivoted to the frame member and extending into the path of axial travel of the control, and a yoke, said second arm being pivotally attached to the yoke and passing through the hole in the link, whereby axial travel of the control when pushed pivots the link, rotating said second arm upward, and whereby the weight of said link and arm acts to reposition said control axially when the control is not being pushed.
Claim 12
Dependent Claim
18 words
In a toilet flush as recited in claim 3, the means for slidably engaging the standpipe being buoyant.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |