Patent US707812A successfully refreshed from Google Patents.
US4128904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bath equipment for disabled persons
Assignee: Individual
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Filing: 1977-05-31
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Granted: 1978-12-12
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Expires: 1997-05-31
Abstract
Abstract A device is provided for the transfer of disabled persons into and out of a bath tub. The device comprises a bath plate, which is pivoted about at least one axis fixed to the bath tub. The bath plate can by means of a power unit, e.g. a hydraulic lifting cylinder, be lowered or lifted in the bath tub. The bath plate is divided into at least two parts, which are pivotally connected to each other.
Inventors
- 👤 Lars Ekman
- 👤 Helge Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:48
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/12; A61; A61G; A61G7/00; A61G7/0005; A61G7/10; A61G7/1001; A61G7/1003; A61G7/1013; A61G7/1017; A61G7/1019; A61G7/1049; A61G7/1057; A61G2200/00; A61G2200/30; A61G2200/32; A61G2200/34
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
84 words
In combination a bath tub and a device for lowering a patient into and lifting a patient out of said bath tub, said device comprising a bath plate having two ends, one of said ends being pivotally fixed to one end of said bath tub; a wire secured to the opposite end of said bath plate; and means for tensioning and slackening said wire operatively connected to said wire whereby said bath plate can be lowered in and lifted out of said bath tub.
Claim 2
Dependent Claim
84 words
In combination a bath tub and a device for lowering a patient into and lifting a patient out of said bath tub, said device comprising a bath plate having two ends, one of said ends being pivotally fixed to one end of said bath tub; a wire secured to the opposite end of said bath plate; and means for tensioning and slackening said wire operatively connected to said wire whereby said bath plate can be lowered in and lifted out of said bath tub.
Claim 3
Dependent Claim
145 words
In combination a bath tub having a rim and a bottom and a device for lowering a patient into and lifting a patient out of said bath tub, said bath tub including means for lifting and lowering the same operatively associated therewith, said device comprising a bath plate having two ends and an underside; means for pivotally connecting said bath plate to said bath tub secured to said bath tub; a fixed length wire secured between one end of said bath plate and a point of attachment; and guide means interposed between said one end of said bath plate where said wire is secured and said point of attachment for guiding said wire whereby as said bath tub is moved by said means for lifting and lowering the same, said wire moves through said guide means simultaneously moving said bath plate in the opposite direction.
Claim 4
Dependent Claim
145 words
In combination a bath tub having a rim and a bottom and a device for lowering a patient into and lifting a patient out of said bath tub, said bath tub including means for lifting and lowering the same operatively associated therewith, said device comprising a bath plate having two ends and an underside; means for pivotally connecting said bath plate to said bath tub secured to said bath tub; a fixed length wire secured between one end of said bath plate and a point of attachment; and guide means interposed between said one end of said bath plate where said wire is secured and said point of attachment for guiding said wire whereby as said bath tub is moved by said means for lifting and lowering the same, said wire moves through said guide means simultaneously moving said bath plate in the opposite direction.
Claim 5
Dependent Claim
56 words
The combination according to either claim 1 or 2, wherein said bath plate longitudinally comprises at least two portions and plate hinge means, said hinge means pivotally joining at least two portions, one of said portions forming a support for the back of the patient and the other forming a support for the hips and legs.
Claim 6
Dependent Claim
47 words
The combination according to claim 2 wherein said means for pivotally connecting said bath plate to said bath tub comprises hinge means secured to the rim of said bath tub and the end of said bath plate opposite from the end to which said wire is secured.
Claim 7
Dependent Claim
102 words
The combination according to claim 2, wherein said bath plate longitudinally comprises at least two portions and plate hinge means, said hinge means pivotally joining at least two portions, one of said portions forming a support for the back of the patient and the other forming a support for the hips and legs, and said means for pivotally connecting said bath plate to said bath tub comprises a standard having two ends, one of said ends being hingedly connected to said bottom of said bath tub and the other being pivotally connected to said bath plate proximate to said plate hinge means.
Claim 8
Dependent Claim
95 words
The combination according to claim 3, wherein said means for pivotally connecting said bath plate to said bath tub comprises a standard having two ends and a middle, one of the ends being hingedly connected to said bottom of said bath tub; a friction reducing means connected to the other end of said standard contacting said underside of said bath plate; and a strut having opposite ends, one of said opposite ends of said strut being pivotally connected to said middle portion of said standard and the other being pivotally connected to said bath plate.
Claim 9
Dependent Claim
19 words
The combination according to claim 2, wherein said point of attachment is on the rim of said bath tub.
Claim 10
Dependent Claim
22 words
The combination according to claim 3 wherein said point of attachment is on said means for lifting and lowering said bath tub.
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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) | 1981-12-11 | 1982-06-12 | 1982-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-11 | 1986-06-12 | 1986-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-11 | 1990-06-12 | 1990-12-12 | $7700.00 | Window Closed / Lapsed |