Patent US2187346A successfully refreshed from Google Patents.
US3784994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air bed
Assignee: Individual
•
Filing: 1972-11-27
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Granted: 1974-01-15
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Expires: 1992-11-27
Abstract
Abstract An air bed comprising an air spring unit disposed on a support platform and comprising a plurality of parallel, uniformly spaced and vertically aligned inflatable bellows having closed tops and open ends, the tops interlocked and the ends fixed through the platform, and an elastic expandable member coupled to the open end of each bellows and disposed within an expansion-limiting frame. An air tube is coupled to each elastic member and leads into an enclosed distributor by engagement with a valve mounted therethrough. Inflation of the combined bellows and elastic member is effected by air pumped from a compressor having an air line leading into the distributor. Closing and opening of the valves is effected by a table within the distributor selectively moveable against the valve release pins.
Inventors
- 👤 E Kery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:44
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/002; A47C27/00; A47C27/04; A47C27/06; A47C27/063; A47C27/08; A47C27/081; A47C27/082
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
149 words
An air bed comprising a support framework provided with an horizontal platform and an air spring unit disposed thereon and comprising a plurality of bellows-shaped inflatable members constituting air springs having flat closed tops and open bottoms, the air springs disposed in parallel, spaced, vertical alignment, with their top surfaces interlocked and their open bottoms fixedly disposed through apertures formed in the platform, an elastic expandable member coupled to the open bottom of each air spring and providing intercommunication therewith, a rigid enclosure member disposed around each elastic member and adapted to limit its expansion, an air tube coupled to each elastic member, means to inflate the combined air springs and elastic members, means to indicate the air pressure therein, means to selectively open and close the air tubes, means to adjust the air pressure and means to exhaust the air from the combined air springs and elastic members.
Claim 2
Dependent Claim
149 words
An air bed comprising a support framework provided with an horizontal platform and an air spring unit disposed thereon and comprising a plurality of bellows-shaped inflatable members constituting air springs having flat closed tops and open bottoms, the air springs disposed in parallel, spaced, vertical alignment, with their top surfaces interlocked and their open bottoms fixedly disposed through apertures formed in the platform, an elastic expandable member coupled to the open bottom of each air spring and providing intercommunication therewith, a rigid enclosure member disposed around each elastic member and adapted to limit its expansion, an air tube coupled to each elastic member, means to inflate the combined air springs and elastic members, means to indicate the air pressure therein, means to selectively open and close the air tubes, means to adjust the air pressure and means to exhaust the air from the combined air springs and elastic members.
Claim 3
Dependent Claim
43 words
An air bed as described in claim 1, the air spring unit being further provided with a layer of soft material disposed across the top surfaces of the air springs and a casing enclosing the layer of soft material and the air springs.
Claim 4
Dependent Claim
81 words
An air bed as described in claim 2, the means to inflate the combined air springs and elastic members comprising a distributor including a housing sealed by a closure member, a plurality of valves mounted through the closure member and opening outwardly therefrom and having their release pins disposed in alignment within the housing, one of the air tubes coupled to the exposed end of each of the valves, and a compressor provided with an air line leading into the distributor.
Claim 5
Dependent Claim
41 words
An air bed as described in claim 3, the means to register the air pressure within the combined air springs and elastic members comprising a manometer mounted on the outer surface of the distributor and in communication with the interior thereof.
Claim 6
Dependent Claim
106 words
An air bed as decribed in claim 4, the means to selectively open and close the air tubes comprising a plurality of rods fixed in the floor of the distributor housing and extending into the closure member, a table reciprocally mounted on the rods and a shaft journeled through the housing below the table and provided with eccentric cams abutting the table undersurface, whereby rotation of the shaft alternately raises the table to depress the valve pins and lowers the table to release the valve pins, one end of the shaft extending from the distributor and terminating in a knob for manual rotation of the shaft.
Claim 7
Dependent Claim
33 words
An air bed as described in claim 5, a spring mounted around each of the rods between the table and the closure member and adapted to tension the table against the closure member.
Claim 8
Dependent Claim
47 words
An air bed as described in claim 6, the means to exhaust the air from the combined air springs and elastic members and to adjust the air pressure comprising an exhaust valve disposed through the end wall of the distRibutor and in communication with the interior thereof.
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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |