US3739406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable bed
Assignee: Stiegelmeyer GmbH and Co KG
•
Filing: 1971-05-28
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Granted: 1973-06-19
•
Expires: 1991-05-28
Abstract
Abstract An adjustable bed particularly for use in hospitals and nursing homes in which a chassis is provided with at least one telescopically extendable span, a bed frame tiltable relative to the chassis includes a middle portion and two end portions hinged to the middle portion, with at least one lifting assembly being disposed on the chassis at each end of the middle portion of the bed frame for adjusting the bed frame to various elevated and inclined positions, and at least one foot for each extendable part of the span.
Inventors
- 👤 H Koetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:15
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/005
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
129 words
An adjustable bed comprising a chassis provided with at least one telescopically extendable span defined by a stationary part and an extendable part, a bed frame tiltable relative to the chassis, said bed frame including a middle portion and two end portions hinged to the middle portion, at least one lifting assembly disposed on the chassis at each end of the middle portion of the bed frame for adjusting the bed frame to various elevated and inclined positions, and at least one foot provided on each extendable part of the span, the chassis including two telescopically extendable spans, cross-beams carrying feet at their free ends, said cross-beams being secured to the extendable parts of the chassis, and the lifting assemblies being arranged between the stationary parts of the spans.
Claim 2
Dependent Claim
129 words
An adjustable bed comprising a chassis provided with at least one telescopically extendable span defined by a stationary part and an extendable part, a bed frame tiltable relative to the chassis, said bed frame including a middle portion and two end portions hinged to the middle portion, at least one lifting assembly disposed on the chassis at each end of the middle portion of the bed frame for adjusting the bed frame to various elevated and inclined positions, and at least one foot provided on each extendable part of the span, the chassis including two telescopically extendable spans, cross-beams carrying feet at their free ends, said cross-beams being secured to the extendable parts of the chassis, and the lifting assemblies being arranged between the stationary parts of the spans.
Claim 3
Dependent Claim
42 words
The adjustable bed as claimed in claim 1, in which the lifting assemblies are provided with oUter tubes and the stationary spans including outer tubes, the outer tubes of the lifting assemblies being directly connected to the outer tubes of the spans.
Claim 4
Dependent Claim
116 words
An adjustable bed comprising a chassis provided with at least one telescopically extendable span defined by a stationary part and an extendable part, a bed frame tiltable relative to the chassis, said bed frame including a middle portion and two end portions hinged to the middle portion, at least one lifting assembly disposed on the chassis at each end of the middle portion of the bed frame for adjusting the bed frame to various elevated and inclined positions, and at least one foot provided on each extendable part of the span, said at least one telescopically extendable including a stationary part and two extendable parts arranged to be withdrawn from opposite ends of the stationary part.
Claim 5
Dependent Claim
116 words
An adjustable bed comprising a chassis provided with at least one telescopically extendable span defined by a stationary part and an extendable part, a bed frame tiltable relative to the chassis, said bed frame including a middle portion and two end portions hinged to the middle portion, at least one lifting assembly disposed on the chassis at each end of the middle portion of the bed frame for adjusting the bed frame to various elevated and inclined positions, and at least one foot provided on each extendable part of the span, said at least one telescopically extendable including a stationary part and two extendable parts arranged to be withdrawn from opposite ends of the stationary part.
References Cited (Backward Citations)
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Cited
US3220019A
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US3414913A
Cited
US3456269A
Cited
US3579671A
Cited
US3609777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |