Patent US4274168A successfully refreshed from Google Patents.
US4274168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Patient transfer apparatus
Assignee: Individual
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Filing: 1979-09-17
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Granted: 1981-06-23
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Expires: 1999-09-17
Abstract
Abstract A patient transfer apparatus is provided which utilizes a movable cart onto which is structurally annexed an expandable series of finger-like projections fitted with rollers which, in an expanded mode may be inserted into correspondingly hollowed out areas of a hard rubber or vinyl mattress foundation which is permanently affixed to a hospital or other bed thus enabling the mattress and any patient thereon to transfer across these rollers to or from the movable cart and/or bed.
Inventors
- 👤 Norma M. Depowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:13
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/104; A61G7/1046; A61G7/1025; A61G7/1034; A61G2200/00; A61G2200/30; A61G2200/32
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
81 words
An apparatus for transferring a patient on a mattress between a hospital bed base member, and a cart comprising: projections affixed to the upper surface of the cart having anti-friction means mounted thereon for conveying loads, a foundation member interposed between the bed base member and the mattress, wherein said foundation member has grooves defined therein for receiving said projections, whereby the mattress is supported by said anti-friction means on said projections when said projections are inserted into said foundation member.
Claim 2
Independent Claim
81 words
An apparatus for transferring a patient on a mattress between a hospital bed base member, and a cart comprising: projections affixed to the upper surface of the cart having anti-friction means mounted thereon for conveying loads, a foundation member interposed between the bed base member and the mattress, wherein said foundation member has grooves defined therein for receiving said projections, whereby the mattress is supported by said anti-friction means on said projections when said projections are inserted into said foundation member.
Claim 3
Dependent Claim
20 words
The apparatus of claim 1 further comprising means for retracting said projections for storage within close proximity of the cart.
Claim 4
Dependent Claim
24 words
The apparatus of claim 2 wherein said anti-friction means comprises multiple rollers on said projections for conveying the mattress between the cart and bed.
Claim 5
Independent Claim
99 words
A method of transferring a patient on a mattress between a hospital bed base member and cart comprising: (a) positioning a cart proximate the hospital bed wherein said cart has affixed thereto horizontal projections bearing anti-friction means on the surface thereof, and wherein said projections extend sufficiently beyond the cart for positioning under the mattress on the bed base member and within foundation grooves thereunder; (b) inserting said projection into said foundation grooves while moving the cart to the bed side; and (c) urging the mattress over the projections between terminal positions upon the cart and upon the foundation.
Claim 6
Independent Claim
99 words
A method of transferring a patient on a mattress between a hospital bed base member and cart comprising: (a) positioning a cart proximate the hospital bed wherein said cart has affixed thereto horizontal projections bearing anti-friction means on the surface thereof, and wherein said projections extend sufficiently beyond the cart for positioning under the mattress on the bed base member and within foundation grooves thereunder; (b) inserting said projection into said foundation grooves while moving the cart to the bed side; and (c) urging the mattress over the projections between terminal positions upon the cart and upon the foundation.
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) | 1984-06-22 | 1984-12-22 | 1985-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-22 | 1988-12-22 | 1989-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-22 | 1992-12-22 | 1993-06-23 | $7700.00 | Window Closed / Lapsed |