[특허]Air chamber type patient mover air pallet with multiple control features

Air chamber type patient mover air pallet with multiple control features 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65G-007/06 A61G-007/14
출원번호	US-0507534 (1990-04-11)
발명자 / 주소	Weedling Robert E. (c/o LCI Medical Inc. P.O. Box 100 Rte. 191 at Rte. 33 Interchange Stockertown PA 18083) Swallen William R. (c/o LCI Medical Inc. P.O. Box 100 Rte. 191 at Rte. 33 Inter
인용정보	피인용 횟수 : 95 인용 특허 : 0

초록 ▼

Air chamber-type air pallets incorporate side-to-side linked air pressurized tubes or chambers in two integrated rows, having common members for adjacent chambers under air pressurization rendered rigid over a certain extent to rigidify the air chambers thereof which form load backing chambers in place of rigid backing members conventionally employed in air pallets maintaining the load footprint borne by the air pressurized backing chambers matched by that of the developed air bearing or air film by passage of compressed air through the pattern of perforations. Preferably, linked tubes of one row are laterally offset but integrated physically to those of a second row to both limit lateral shrinkage of linked tubes extending completely across the pin hole perforations within the thin, flexible bottom sheet partially forming such air pallets. The use of upper and lower rows of tubes subject to air pressurization provides adequate separation between the load and the fixed support surface to prevent contact of the load and the fixed support surface irrespective of loss of pressurization of a given one of the tubes of either row. The air pallets are formed totally of thin, flexible sheet material, permitting deflation and transfer from one locale to another. The air pallets function as stable supports for the patient during transport over the developed air film between the patient mover and an underlying fixed support surface. A single row of linked tubes formed of two thin, flexible sheets, acting as plenum chambers and having perforations within the thin, flexible bottom sheet functions adequately to support the patient directly on the top thin, flexible sheet with the bottom tangential surfaces of the individual tubes flattening. Preferably the area of perforations for each tube is limited transversely to the flattened portions of those tubes facing the underlying fixed support surface, with the developed air film having a surface area matching that of the patient.

대표청구항 ▼

A patient mover air pallet for frictionless movement of a patient over an underlying, relatively fixed support surface, said patient mover air pallet comprising: top, intermediate and bottom thin flexible sheets, means for sealing given sheets together linearly to define a plenum chamber between said intermediate and bottom sheets, at least one backing member cavity between said top sheet and said intermediate sheet, said bottom thin flexible sheet including a portion defined by the footprint of the load having a plurality of closely spaced small diameter pin hole type perforations opening directly into the plenum chamber and directly onto said support surface, air inlet means communicating with the plenum chamber at one end thereof for permitting low pressure air flow pressurization of the plenum chamber for initially jacking the load and for subsequent discharge through the perforations to create a thin air film between the bottom thin flexible sheet and the support surface, means including said top thin flexible sheet defining a semi-rigid backing member so as to define with the plenum chamber air dispersion means for insuring air flow throughout the plenum chamber when the air pallet is under load at the time of air pressurization of the plenum chamber and constituting with said bottom thin flexible sheet, means for controlling pillowing of the thin flexible sheet material to permit jacking of the semi-rigid backing member and the load while preventing ballooning of the thin flexible sheet material, wherein said semi-rigid backing member permits deflection of the patient mover somewhat to conform the patient mover to depressions within the support surface to permit transport of the patient via the patient mover air pallet over said support surface wherein said top thin flexible sheet is sealed to said intermediate thin flexible sheet along longitudinal parallel lines at laterally spaced positions across the surface of the intermediate thin flexible sheet and at both ends thereof to form a series of longitudinally extending tubes, and wherein means are provided for supplying air under pressure to the individual tubes formed thereby in addition to air pressurization of the plenum chamber such that the tubes cradle the patient while facilitating transport of the patient over the support surface on the frictionless air film, the improvement comprising means for substantially restricting lateral shrinkage of the portion of the plenum chamber in the area of said perforations parallel to the plane of the developed air film for maintaining the footprint of the air film generally equal to that of the footprint of the load to insure stable support of the patient on the patient mover air pallet, and for preventing loss of said air film and grounding of the air pallet to the underlying support surface.

이 특허를 인용한 특허 (95)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Air chamber type patient mover air pallet with multiple control features 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (95)

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연합인증

Air chamber type patient mover air pallet with multiple control features 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (95)

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