[특허]Portable system for generating variable pressure point body support

[미국특허] Portable system for generating variable pressure point body support 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61G-007/04
출원번호	US-0175103 (1998-10-19)
발명자 / 주소	Taylor Rex E. Christopherson Thomas W.
대리인 / 주소	Koslover
인용정보	피인용 횟수 : 96 인용 특허 : 6

초록 ▼

A system supporting a cushion, containing a plurality of covered inflatable air bladders and the controls and means for inflating the bladders. Bladders may be arranged in two or more arrays and controlled so that each array is inflated and deflated at different times than are other arrays. This provides continuously variable pressure points for a cushion which supports a person. A re-programable microprocessor controls the sequence and timing of array inflation which can be selected to suit individual needs. An included rechargeable battery provides power for at least 16 hours operation and enables easy system portability. The system may be used in cushioning for wheelchairs, and for many other seating and support applications, including support for animals. It includes a remote control/alarm panel with an on/off switch and audio/visual alarms warning of power or other system failure. The system is simply constructed using mostly n0n-specialized components and materials, and is therefore relatively inexpensive.

대표청구항 ▼

[ Having described the invention, what is claimed is:] [1.] A system for generating constantly changing pressure points for a cushion supporting a person or animal, said system, in combination comprising;(a) a rigid support member;(b) a first bladder array comprising a multiplicity of inflatable bladders which are arranged in rows and supported by said support member;(c) a second bladder array comprising a multiplicity of inflatable bladders which are arranged with each bladder located alternately between the rows of said first bladder array and supported by said support member;(d) a multiplicity of cloth covers; a cover separately covering each bladder in said first bladder array and in said second bladder array, said covers being fastened to said support member and sized to contain a fully inflated bladder under each cover;(e) a first air manifold for supplying said first bladder array, all bladders in said first bladder array being connected in parallel to said first air manifold;(f) a second air manifold for supplying said second bladder array, all bladders in said second bladder array being connected in parallel to said second air manifold;(g) air pump means for supplying regulated pressured air to said first air manifold and said second air manifold;(h) means for switching pressured air input from said air pump means to said first air manifold or to said second air manifold on command, for air inflation of said bladders;(i) means for bleeding pressured air from said first air manifold and said second air manifold on command;(j) a rechargeable battery power supply, said battery power supply being sized to supply at least 16 hours system operating time before need to be recharged;(k) first means for system control, said first means including control circuits comprising:a power on/off switching circuit;a voltage regulator circuit which is enabled by said power on/off switching circuit;second means for timing and cycling control, said second means including a re-programable microprocessor that is programed for controlling the inflation cycling of the bladders in said first bladder array and said second bladder array in any pre-determined sequence and time intervals to vary the pressure and points of support applied to a supported body through a cushion;third means for system failure sensing, said third means including circuits that sense for system over-temperature or over/undervoltage conditions and command a system shut down if any such conditions are found;an alarm generating circuit connected to said third means and producing alarm activation signals when required;a pressure regulator circuit connected to said air pump means and to said second means;an air pump drive circuit connected to said second means and to said pressure regulator circuit;a servo drive circuit connected to said second means; anda battery charging circuit for recharging said battery power supply from an external power source; and(l) means for remotely energizing the system and announcing system alarms to a user.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

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[미국특허] Portable system for generating variable pressure point body support 원문보기

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[미국특허] Portable system for generating variable pressure point body support 원문보기

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