US3760951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water filter connection means
Assignee: Individual
•
Filing: 1971-06-21
•
Granted: 1973-09-25
•
Expires: 1991-06-21
Abstract
Abstract A water filter having a connection means for easily and quickly connecting the filter to a water faucet without the necessity of utilizing tools. An adapter screws to the faucet and the water filter is connected to the adapter by a bayonet fitting. Provision is made to connect the water filter at either end so it may easily be reversed for cleaning and flushing.
Inventors
- 👤 E Mansfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:26
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02; B01D27/00; B01D27/08; B01D2201/00; B01D2201/40; B01D2201/4015
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
221 words
A connection means for a water filter of the type that filters water flowing from a water faucet, said filter comprising: a housing, an adapter for adapting a water faucet to connect said housing thereto, said adapter including a one piece bushing and a sleeve, said bushing comprising a water receiving opening extending therethrough and a faucet attachment means, said faucet attachment means comprising the upper portion of said bushing including a substantially frustoconical configuration being tapered inwardly toward its upper end, thread means formed on the exterior surface of said frustoconical portion and disposed to frictionally engage the inner surface of the water faucet to which it is attached, an externally threaded cylindrical section defined by the lower portion of said bushing; said sleeve having at its upper end a sealing means for sealing the end of said faucet and at its lower end a first portion of a bayonet fitting, the interior of said sleeve being threaded to mesh with a threaded cylindrical section on said bushing, said housing including a second portion of a bayonet fitting formed on each of its opposite ends, each of said second bayonet portions configured to mate with said first bayonet portion, whereby said filter is connected or disconnected from said adapter by cooperation of a first and a second bayonet fitting portion.
Claim 2
Dependent Claim
221 words
A connection means for a water filter of the type that filters water flowing from a water faucet, said filter comprising: a housing, an adapter for adapting a water faucet to connect said housing thereto, said adapter including a one piece bushing and a sleeve, said bushing comprising a water receiving opening extending therethrough and a faucet attachment means, said faucet attachment means comprising the upper portion of said bushing including a substantially frustoconical configuration being tapered inwardly toward its upper end, thread means formed on the exterior surface of said frustoconical portion and disposed to frictionally engage the inner surface of the water faucet to which it is attached, an externally threaded cylindrical section defined by the lower portion of said bushing; said sleeve having at its upper end a sealing means for sealing the end of said faucet and at its lower end a first portion of a bayonet fitting, the interior of said sleeve being threaded to mesh with a threaded cylindrical section on said bushing, said housing including a second portion of a bayonet fitting formed on each of its opposite ends, each of said second bayonet portions configured to mate with said first bayonet portion, whereby said filter is connected or disconnected from said adapter by cooperation of a first and a second bayonet fitting portion.
Claim 3
Dependent Claim
29 words
A connecting means as in claim 1 further comprising a rotatable means disposed on said bushing for enabling said bushing to be firmly gripped and rotated with a wrench.
Claim 4
Dependent Claim
40 words
A connection means as in claim 1 wherein the first portion of the bayonet fitting on the sleeve is a female portion and each of the second portions of the bayonet fitting on the housing is a mating male portion.
Claim 5
Dependent Claim
39 words
The connection means of claim 1 wherein the first portion of the bayonet fitting on said sleeve is a male portion and each of the second portions of the bayonet fitting on the housing is a mating female portion.
Claim 6
Dependent Claim
196 words
The filter and connector of claim 1 wherein said filter housing comprises a plastic shell provided with a tubular neck at each of the opposite ends communicating with the interior of the shell and formed with a shoulder at the interior adjacent the juncture of the neck and body of the shell, a screening unit comprising a series of screens and a perforated plate arranged in each neck and seated on the shoulder at the inner end of each tubular neck, gaskets in each unit interposed between the several screens and plate thereof spacing the same appreciable distances apart, means for maintaining the unit in each neck and the component parts of the unit in assembled relation, the mesh of the screens in each unit varying from fine at the inner end adjacent the shoulder to coarse intermediate the ends and thence to fine at the outer end with the perforated plate being positioned intermediate the ends of the unit, and purifying and deodorizing material dispersed in the shell between said necks, consisting of layers of activated carbon and silica, the layer of silica disposed between the layers of activated carbon, and screens separating the layers.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |