국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0939376
(2001-08-24)
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발명자
/ 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
29 인용 특허 :
17 |
초록
▼
A multi-purpose, collapsible portable cart, for use in camping, hunting and other outdoors activities carries medical rescue carts, canoes, small boats, game, or hauled cargo by hand. The portable cart can be converted to a various uses and the portable cart can be folded down and transported within
A multi-purpose, collapsible portable cart, for use in camping, hunting and other outdoors activities carries medical rescue carts, canoes, small boats, game, or hauled cargo by hand. The portable cart can be converted to a various uses and the portable cart can be folded down and transported within a backpack, hand carried bag, canoe or boat. It transports injured persons or cargo over long, rough terrain and it can broken down into a carrying position, by hand or by back. Its width can be varied to accommodate cargo of varying widths. Two or four wheeled versions can be assembled with axles and wheels. The cart has optional removable clamps for clamping a conventional transportable carrier, such as a stretcher or stokes-type rescue carrier bed, thereto. The objects being carried can be held by clamps, by fasteners, or through the use of insertions with longitudinally extending channels. An optional pivotable kickstand and/or tie rods can stabilize the cart in a position of rest. It is collapsible, so that it can be disassembled and carried, and then reassembled at another destination along a wilderness journey.
대표청구항
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1. A cart collapsible for storage and transport and expandable for use in carrying a load, comprising: a modular load support frame that can be alternately assembled and dis-assembled, said modular frame being comprised of a pair of oppositely disposed horizontal parallel rigid horizontal load su
1. A cart collapsible for storage and transport and expandable for use in carrying a load, comprising: a modular load support frame that can be alternately assembled and dis-assembled, said modular frame being comprised of a pair of oppositely disposed horizontal parallel rigid horizontal load support members, wherein each said rigid horizontal support member has a mounting means for a vertical support; said support frame further having: a pair of downwardly extending vertical struts detachably secured to said pair of horizontal support members, said pair of vertical struts extending downwardly from said vertical support mounting means of said pair of horizontal support members; said vertical struts each having a lower end with an axle mounting means at said lower end; at least one axle extending through said pair of vertical struts, said axle having a pair of vehicle movement actuators attached at opposite sides thereto; and, a carrier, said carrier attachable to said pair of horizontal support members by at least one removable clamp, wherein when said carrier supports a load thereupon, a weight of said load causes said horizontal support members to bow, giving said cart strength of an arch and strengthening said cart in a load carrying position. 2. The cart as in claim 1 wherein each horizontal support of said pair of horizontal support members further comprises a respective clamp supporting a rail of said carrier therein. 3. The cart as in claim 2 wherein each said rail supported by each said horizontal support member comprises a rail of a pair of rails, of a rescue stretcher having a stretcher fabric sheet extending between said pair of rails. 4. The cart as in claim 1 wherein said vehicle movement actuators are wheels and wherein said wheels are held by said axle. 5. The cart as in claim 2 wherein each said rail supported by each said horizontal support member comprises a rail of a pair of rails of a Stokes rescue carrier. 6. The cart as in claim 2 wherein said clamp comprises a lower jaw and an upper jaw. 7. The cart as in claim 2 wherein said clamp includes a longitudinally extending recess gripping each said rail of said carrier. 8. The cart as in claim 6 wherein said lower jaw of said clamp includes an engaging surface having threaded studs which are inserted into at least one through-hole of each said horizontal support member, each said stud being locked with respective locking nut. 9. The cart as in claim 6 wherein said upper jaw is provided with a pair of oblong through-slots, wherein upon loosening of each said respective locking nut from each said threaded stud, said upper jaw slides on an upper surface of said lower jaw, permitting quick removal of a rail secured between said upper jaw and said lower jaw.
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