[특허]Two-piece lightweight litter system

Drexel University

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특허 상세정보

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Two-piece lightweight litter system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61G-001/013
미국특허분류(USC)	005/627; 005/625; 005/626; 005/114; 005/116
출원번호	US-0345083 (2012-01-06)
등록번호	US-8327482 (2012-12-11)
발명자 / 주소	Awerbuch, Jonathan Baum, Ryan A. Hampson, Timothy A. Kline, Kevin N. Klopp, Benjamin A. Zinsky, Kate C.
출원인 / 주소	Drexel University
대리인 / 주소	Mendelsohn, Drucker & Associates, P.C.
인용정보	피인용 횟수 : 7 인용 특허 : 5

초록

This invention is directed to a durable, compact, two-piece, light weight, load sustaining litter system for the transport of humans, animals or objects. The litter system comprises a litter frame, a fabric disposed between the structure of the frame, at least one hinge and at least one coupling mechanism. The litter system may be quickly assembled under adverse conditions and may be particularly beneficial in transporting individuals who are injured, disabled and/or incapable of movement under combat and/or emergency conditions.

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1. A litter comprising: a frame formed in two parts;at least two pieces of fabric for supporting an object to be carried on the litter, at least one piece of fabric being disposed on each part of the frame in a manner which allows the frame to be removably separated into two parts without removing the fabric from the frame; andat least two couplers associated with said frame for releasably coupling the two parts of the frame together to form the litter, said couplers permitting the two part of the frame to be repeatedly separated from and reconnected to one another,wherein each of the two parts of the frame comprises two frame portions spaced apart from one another and connected by a bar, wherein the bar comprises a hinge and a grip positioned below the hinge for deploying the bar,wherein each frame portion comprises a first frame member and a second frame member connected by a hinge to allow folding of said frame portions to a folded position, andwherein each said bar connects the first frame members of each said part of the frame. 2. The litter of claim 1, wherein the at least two couplers are adapted to permit quick separation and connection of the two parts of the frame. 3. The litter of claim 1, wherein the litter is adapted to be assembled from said two parts in less than about 30 seconds. 4. The litter of claim 1, wherein each part of the frame further comprises at least two hinges which allow said parts of the frame to fold to present a smaller maximum dimension. 5. The litter of claim 4, wherein each part of the frame comprises at least three hinges which allow said parts of the frame to fold to present a smaller maximum dimension. 6. The litter of claim 4, wherein each said hinge comprises two identical hinge components. 7. The litter of claim 6, wherein each of the hinge components includes a mating surface, wherein the mating surface of each hinge component abuts against the mating surface of another of said hinge components when said frame is in an unfolded position and wherein said hinge comprises a locking means for locking said hinge when said frame is in an unfolded position. 8. The litter of claim 7, wherein each said hinge component is provided with a set of teeth and wherein at least some teeth of one said hinge component fit between teeth of another said hinge component to form said hinge and wherein each of said teeth comprises a hole therethrough and said hinge further comprises a pin inserted through said holes in said teeth to attach said hinge components together and permit rotation of each of said hinge components about said pin through an angle of up to about 180 degrees. 9. The litter of claim 7, wherein each hinge further component comprises a protruding member adapted for insertion into an opening in said frame for attaching each said hinge component to said frame. 10. The litter of claim 9, wherein said hinges attach to said frame by one of a press-fit, friction-fit or snap-fit. 11. The litter of claim 1, wherein each said part of the frame is identical. 12. The litter of claim 1, wherein each coupler comprises a male portion and a female portion. 13. The litter of claim 12, wherein each part of said frame is attached to one male portion of one said coupler at one location and one female portion of another said coupler at another location, whereby each part of said frame is interchangeable. 14. The litter of claim 12, wherein said male portion is tapered to facilitate insertion of said male portion of said coupler into said female portion of said coupler. 15. The litter of claim 12, wherein said coupler comprises a vertical pin, said male portion is provided with a tapered protrusion adapted for insertion into an opening in said female component that conforms in shape to said tapered protrusion in order to align the male and female portions, and said female portion includes a hole through which said vertical pin may be inserted and said tapered protrusion of said male portion includes a slot in which said vertical pin rides during insertion of said male portion into said female portion and a hole in which said vertical pin is located when said male portion is fully inserted into said female portion. 16. The litter of claim 15, wherein said vertical pin has an asymmetric structure which, when turned ninety degrees, will no longer be able to pass through the slot in the tapered protrusion of the male portion of the coupler. 17. The litter as claimed in claim 14, wherein said coupler further comprises a coupling pin, said female portion includes a hole in one wall thereof which hole is adapted for insertion of said coupling pin, said male portion includes a groove in an outer surface thereof which aligns with said coupling pin when said male and female portions are coupled together and said coupling pin is inserted through said hole in said female portion. 18. The litter as claimed in claim 17, wherein said coupling pin comprises a grip, a spring and a tip attached to said grip by said spring, said tip being sized to fit into said groove in said male portion of said coupler. 19. The litter as claimed in claim 18, wherein said tip of said coupling pin comprises a beveled surface adapted to engage and ride along said tapered portion of said male portion during insertion of said male portion into said female portion. 20. The litter as claimed in claim 12, wherein the male portion comprises a ridged area and said female portion comprises a claw which forms a ratchet mechanism together with said ridged area of said male portion and wherein said claw is mounted to engage a spring-biased plunger to lock and release the coupler.

이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 (7)

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특허 상세정보

Two-piece lightweight litter system

초록

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이 특허에 인용된 특허 (5)

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특허 상세정보

Two-piece lightweight litter system

초록

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이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 (7)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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