US3797050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock and drainage mechanism
Assignee: INTERROYAL CORP
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Filing: 1972-08-10
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Granted: 1974-03-19
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Expires: 1992-08-10
Abstract
Abstract A novel mechanism for positioning a hospital bed in a plurality of shock and drainage positions utilized means for rotating the base of a support parallelogram in an arc. The rotating means are a pair of roller supported arc segments with the lower pivoting points of the support parallelogram positioned at the lower extremities of the arc segments. A crank mechanism positioned on the bed frame moves the rocker arms such that the desired shock or drainage position is attained and the bed may be raised or lowered while in any shock or drainage position.
Inventors
- 👤 R Benoit
- 👤 R Duprey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:40
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/005
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
91 words
A hospital bed comprising: an upper frame for supporting a mattress and being tiltable between shock and drainage positions; a lower support frame; a pair of spaced apart arcuate members movably supported by said lower support frame; a support parallelogram comprising linking means forming legs thereof pivotally connecting said upper frame forming the upper side thereof to the outer ends of said arcuate members, said arcuate members forming the base of said parallelogram; and means for moving said arcuate members for moving said upper frame between said shock aNd drainage positions.
Claim 2
Dependent Claim
91 words
A hospital bed comprising: an upper frame for supporting a mattress and being tiltable between shock and drainage positions; a lower support frame; a pair of spaced apart arcuate members movably supported by said lower support frame; a support parallelogram comprising linking means forming legs thereof pivotally connecting said upper frame forming the upper side thereof to the outer ends of said arcuate members, said arcuate members forming the base of said parallelogram; and means for moving said arcuate members for moving said upper frame between said shock aNd drainage positions.
Claim 3
Dependent Claim
19 words
A hospital bed according to claim 1, wherein said means for moving comprises a manually mechanically movable handle means.
Claim 4
Dependent Claim
50 words
A hospital bed according to claim 2, wherein said means for moving comprises a telescoping diagonal member connected between said handle means and said arcuate member, said telescoping diagonal member moving said arcuate members in arcuate path whereby said upper support frame is movable between said shock and drainage positions.
Claim 5
Dependent Claim
56 words
A hospital bed according to claim 3, comprising a pair of guides for each of said arcuate members, one of each of said guides resting on top of said arcuate member and the other of said guides supporting the bottom of said arcuate member, said guides forming said arcuate path of movement for said arcuate members.
Claim 6
Dependent Claim
26 words
A hospital bed according to claim 3, comprising a spreader rigidly connecting said arcuate members, said spreader bar being movable when said handle means is moved.
Claim 7
Dependent Claim
65 words
A hospital bed according to claim 5, comprising a telescoping screw means, one end of said telescoping screw means being pivotally connected to said lower support frame, a mounting support carrying said spreader bar and being movable by said telescoping screw means, said telescoping screw means being driven by said handle means and causing said spreader bar to move in said arcuate path of movement.
Claim 8
Dependent Claim
21 words
A hospital bed according to claim 6, comprising a universal joint connecting said telescoping screw means to said telescoping diagonal member.
Claim 9
Dependent Claim
61 words
A hospital bed according to claim 6, wherein said telescoping screw means comprises an acme screw and an acme screw operating nut, a tube housing said screw and nut, said mounting support being maintained in fixed relationship to said screw, said mounting support being moved by said acme screw and nut assembly for carrying said spreader bar in said arcuate path.
Claim 10
Dependent Claim
25 words
A hospital bed according to claim 3, comprising a positioning indicator driven by said handle means for indicating the position of said upper frame member.
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |