US3247528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed-tilting device
Assignee: Individual
•
Filing: 1964-08-12
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Granted: 1966-04-26
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Expires: 1984-08-12
Abstract
No abstract record available.
Inventors
- 👤 Emil S Swenson
- 👤 William L Koski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:00
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
317 words
A BED-TILTING DEVICE FOR SUPPORTING A HOSPITAL BED BODILY THEREON AND BEING OPERABLE TO PERMIT CONTROLLED TILTING OF A HOSPITAL BED SO MOUNTED THEREON SAID DEVICE COMPRISING AN ELONGATE FRAME STRUCTURE HAVING FRONT AND REAR ENDS, VERTICALLY ADJUSTABLE FRONT AND REAR LEG STRUCTURES CONNECTED TO OPPOSITE ENDS OF SAID FRAME STRUCTURE, EACH OF SAID LEG STRUCTURES INCLUDING A LOWER LEG SECTION AND AN UPPER LEG SECTION CONNECTED TO SAID LOWER LEG SECTION FOR VERTICAL TRANSLATION RELATIVE THERETO BETWEEN A NON-EXTENDED POSITION AND AN EXTENDED POSITION, SAID UPPER LEG SECTIONS OF SAID LEG STRUCTURES HAVING MEANS THEREON FOR ENGAGING AND SUPPORTING THE LEGS OF A HOSPITAL BED THEREON, MEANS CONNECTED TO SAID FRONT AND REAR LEG STRUCTURES TO PERMIT VERTICAL TRANSLATION OF EACH LEG STRUCTURE INDEPENDENTLY OF THE OTHER WHEREBY WHEN ONE OF SAID LEG STRUCTURES IS EXTENDED A HOSPITAL BED SUPPORTED ON SAID UPPER LEG SECTIONS WILL HAVE ONE END THEREOF ELEVATED AND WILL BE TILTED ABOUT AN AXIS EXTENDING TRANSVERSELY OF THE BED AND TRANSVERSELY THROUGH THE NON-EXTENDED LEG STRUCTURE SO THAT A MATTRESS SUPPORTED ON THE HOSPITAL BED WILL BE MAINTAINED IN A STRAIGHT INCLINED POSITION, SAID LEG STRUCTURES WHEN IN AN UNEXTENDED CONDITION ALLOWING A HOSPITAL BED SUPPORTED BY THE LEG STRUCTURES TO BE ORIENTED IN SUBSTANTIALLY HORIZONTAL RELATION WITH RESPECT TO A SUPPORT SURFACE SUCH AS A FLOOR UPON WHICH THE LEG STRUCTURES ARE SUPPORTED, MECHANISM MOUNTED ON SAID FRAME STRUCTURE FOR MOVEMENT IN OPPOSITE DIRECTIONS RELATIVE THERETO, SAID MECHANISM BEING OPERABLE TO ACTUATE SAID LEG STRUCTURE ADJUSTING MEANS, REVERSIBLE DRIVE MEANS OPERATIVELY CONNECTED WITH SAID ACTUATING MECHANISM AND BEING OPERABLE FOR SHIFTING SAID ACTUATING MECHANISM SELECTIVELY IN OPPOSITE DIRECTIONS WHEREBY WHEN ONE OF SAID LEG STRUCTURES IS IN AN EXTENDED POSITION, THE OTHER OF SAID LEG STRUCTURES WILL BE IN A NON-EXTENDED POSITION, AND CONTROL MEANS FOR CONTROLLING SAID DRIVE MEANS TO PERMIT SAID MECHANISM TO BE SELECTIVELY SHIFTED IN OPPOSITE DIRECTIONS.
Claim 2
Dependent Claim
317 words
A BED-TILTING DEVICE FOR SUPPORTING A HOSPITAL BED BODILY THEREON AND BEING OPERABLE TO PERMIT CONTROLLED TILTING OF A HOSPITAL BED SO MOUNTED THEREON SAID DEVICE COMPRISING AN ELONGATE FRAME STRUCTURE HAVING FRONT AND REAR ENDS, VERTICALLY ADJUSTABLE FRONT AND REAR LEG STRUCTURES CONNECTED TO OPPOSITE ENDS OF SAID FRAME STRUCTURE, EACH OF SAID LEG STRUCTURES INCLUDING A LOWER LEG SECTION AND AN UPPER LEG SECTION CONNECTED TO SAID LOWER LEG SECTION FOR VERTICAL TRANSLATION RELATIVE THERETO BETWEEN A NON-EXTENDED POSITION AND AN EXTENDED POSITION, SAID UPPER LEG SECTIONS OF SAID LEG STRUCTURES HAVING MEANS THEREON FOR ENGAGING AND SUPPORTING THE LEGS OF A HOSPITAL BED THEREON, MEANS CONNECTED TO SAID FRONT AND REAR LEG STRUCTURES TO PERMIT VERTICAL TRANSLATION OF EACH LEG STRUCTURE INDEPENDENTLY OF THE OTHER WHEREBY WHEN ONE OF SAID LEG STRUCTURES IS EXTENDED A HOSPITAL BED SUPPORTED ON SAID UPPER LEG SECTIONS WILL HAVE ONE END THEREOF ELEVATED AND WILL BE TILTED ABOUT AN AXIS EXTENDING TRANSVERSELY OF THE BED AND TRANSVERSELY THROUGH THE NON-EXTENDED LEG STRUCTURE SO THAT A MATTRESS SUPPORTED ON THE HOSPITAL BED WILL BE MAINTAINED IN A STRAIGHT INCLINED POSITION, SAID LEG STRUCTURES WHEN IN AN UNEXTENDED CONDITION ALLOWING A HOSPITAL BED SUPPORTED BY THE LEG STRUCTURES TO BE ORIENTED IN SUBSTANTIALLY HORIZONTAL RELATION WITH RESPECT TO A SUPPORT SURFACE SUCH AS A FLOOR UPON WHICH THE LEG STRUCTURES ARE SUPPORTED, MECHANISM MOUNTED ON SAID FRAME STRUCTURE FOR MOVEMENT IN OPPOSITE DIRECTIONS RELATIVE THERETO, SAID MECHANISM BEING OPERABLE TO ACTUATE SAID LEG STRUCTURE ADJUSTING MEANS, REVERSIBLE DRIVE MEANS OPERATIVELY CONNECTED WITH SAID ACTUATING MECHANISM AND BEING OPERABLE FOR SHIFTING SAID ACTUATING MECHANISM SELECTIVELY IN OPPOSITE DIRECTIONS WHEREBY WHEN ONE OF SAID LEG STRUCTURES IS IN AN EXTENDED POSITION, THE OTHER OF SAID LEG STRUCTURES WILL BE IN A NON-EXTENDED POSITION, AND CONTROL MEANS FOR CONTROLLING SAID DRIVE MEANS TO PERMIT SAID MECHANISM TO BE SELECTIVELY SHIFTED IN OPPOSITE DIRECTIONS.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |