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US4453768A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable reclining examination chair

Assignee: United States Department of the Army
•
Filing: 1981-11-20
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Granted: 1984-06-12
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Expires: 2001-11-20
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Abstract

Abstract A portable multi-component reclining examination chair comprises a contai wherein the chair's components can be stored for transportation. When removed from the container, the components attach to the container for assembly of the chair. Assembled, the chair uses the container as a stabilizing base to which are attached leveling legs, an adjustable seat having a reclinable back rest, a head rest, removable arm rests and either a leg rest or a foot rest depending on the particular use of the chair.

Inventors

  • 👤 H. Bruce Cranford, Jr.
  • 👤 L. Thomas Geasey
  • 👤 Mark F. Arnold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 11:03
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/10; A61G13/105

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 163 words
A portable and stable multi-component reclining chair suitable for the practice of military medicine in the field comprising: a container for removably storing components of said chair, said container having two pairs of opposite sides, an upper surface and a lower surface; a plurality of legs; means for detachably securing said legs to said lower surface and to one pair of said two pairs of sides of said container for supporting said container on the ground; each of said legs having independent screws studs for adjusting its length to level said container when on uneven ground; said components further comprising; a seat having a back edge and a front edge; means for detachably mounting said seat to said upper surface of said container; a back rest rotatably attached to said back edge of said seat; means for rigidly positioning said back rest relative to said seat; and a head rest pivotably and adjustable attached to said back rest for supporting a patient's head.
Claim 2
Dependent Claim 163 words
A portable and stable multi-component reclining chair suitable for the practice of military medicine in the field comprising: a container for removably storing components of said chair, said container having two pairs of opposite sides, an upper surface and a lower surface; a plurality of legs; means for detachably securing said legs to said lower surface and to one pair of said two pairs of sides of said container for supporting said container on the ground; each of said legs having independent screws studs for adjusting its length to level said container when on uneven ground; said components further comprising; a seat having a back edge and a front edge; means for detachably mounting said seat to said upper surface of said container; a back rest rotatably attached to said back edge of said seat; means for rigidly positioning said back rest relative to said seat; and a head rest pivotably and adjustable attached to said back rest for supporting a patient's head.
Claim 3
Dependent Claim 26 words
A portable multi-component reclining chair as cited in claim 1 further comprising: a head rest adjustably attached to said back rest for supporting a patient's head.
Claim 4
Dependent Claim 26 words
A portable multi-component reclining chair as cited in claim 2 further comprising: at least one support removably attached to said rest for resting a patient's arm.
Claim 5
Dependent Claim 29 words
A portable multi-component reclining chair as cited in claim 3 further comprising: a foot rest removably attached to said front edge of said seat for supporting a person's feet.
Claim 6
Dependent Claim 30 words
A portable multi-component reclining chair as cited in claim 3 further comprising: a leg rest removably attached to said front edge of said seat for supporting a person's lower extremities.
Claim 7
Dependent Claim 23 words
A portable multi-component reclining chair as cited in claim 4 or claim 5 further comprising: means for adjusting the rake of said seat.
Claim 8
Dependent Claim 227 words
A portable and stable multi-component reclining chair suitable for the practice of military medicine in the field comprising: a container for removably storing components of said chair, said container having two pairs of opposite sides, an upper surface and a lower surface; said components further comprising: a plurality of legs, means for detachably securing said legs to said lower surface and to one pair of said two pairs of opposite sides of said container for supporting said container on the ground; each of said legs having independent screw studs for adjusting its length to level said container when on rough ground; each of said screw studs having a flat bearing surface movably attached to an end of said screw stud for adjustable contact with the ground; a seat having a back edge and a front edge; means for detachably mounting said seat to said upper surface of said container; a back rest rotatably attached to said back edge of said seat; means for rigidly positioning said back rest relative to said seat; a head rest adjustably attached to said back rest for supporting a patient's head; at least one support removably attached to said seat for resting a patient's arm; a leg rest removably attached to said front edge of said seat for supporting a person's lower extremities; and means for adjusting the rake of said seat.
Claim 9
Dependent Claim 227 words
A portable and stable multi-component reclining chair suitable for the practice of military medicine in the field comprising: a container for removably storing components of said chair, said container having two pairs of opposite sides, an upper surface and a lower surface; said components further comprising: a plurality of legs, means for detachably securing said legs to said lower surface and to one pair of said two pairs of opposite sides of said container for supporting said container on the ground; each of said legs having independent screw studs for adjusting its length to level said container when on rough ground; each of said screw studs having a flat bearing surface movably attached to an end of said screw stud for adjustable contact with the ground; a seat having a back edge and a front edge; means for detachably mounting said seat to said upper surface of said container; a back rest rotatably attached to said back edge of said seat; means for rigidly positioning said back rest relative to said seat; a head rest adjustably attached to said back rest for supporting a patient's head; at least one support removably attached to said seat for resting a patient's arm; a leg rest removably attached to said front edge of said seat for supporting a person's lower extremities; and means for adjusting the rake of said seat.

References Cited (Backward Citations)

DE281359C Cited
DE321477C Cited
CH198665A Cited
US2609864A Cited
US3765718A Cited
US3909061A Cited
US4025107A Cited
DE2747321A1 Cited
US4193630A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-06-12 1987-12-12 1988-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-06-12 1991-12-12 1992-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-06-12 1995-12-12 1996-06-12 $7700.00 Window Closed / Lapsed

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