[특허]Trailerable structure with retractable suspension

Trailerable structure with retractable suspension 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-063/08
출원번호	US-0659541 (1990-12-20)
발명자 / 주소	Walker Douglas W. (550 E. 34th St. Durango CO 81301)
인용정보	피인용 횟수 : 36 인용 특허 : 0

초록 ▼

A simple trailer frame is provided which may be included within a structure and which allows the frame or the structure to be easily and quickly converted into a mobile trailer on retractable wheel assemblies. When the frame is used within a structure, once the structure is at its use site it need show very little evidence that it was a trailer. Also included in the frame is a towing member receiving member for quick and easy attachment and detachment of a towing member to the frame. A mechanical linkage is provided within the frame so that proper connection of the towing member to the frame locks the extended wheel assemblies in place. Towing is only possible when wheels are properly extended and locked. As a safety precaution, the design may also include a provision so that the locking mechanism cannot be deactivated unless the weight of the frame has been removed from the wheel assemblies. Self-contained lifting and lowering components such as jacks, may also be included as an integral part of the frame or the structure.

대표청구항 ▼

A trailer comprising, a trailer frame, a wheel assembly at each side of the trailer frame, each wheel assembly including a wheel and movable support means connected to the frame for mounting the wheel assembly on the frame for movement between an extended towing position for traveling with its wheel on a road surface and a retracted position which permits the frame to rest on a supporting surface, wheel assembly locking means interconnecting the frame and each wheel assembly to positively lock each wheel assembly in its extended towing position, towing member receiving means carried by said frame for supporting a towing member in a towing position, a towing member movable in said receiving means to a towing position in which it is used to pull the trailer on said road surface when the wheel assemblies are locked in their towing positions, said towing member being movable relative to the receiving means to a non-towing position away from its towing position, actuation means carried by said frame for actuation of said wheel assembly locking means, means for interconnecting said actuation means to said towing member whereby movement of the towing member to said towing position after the wheel assemblies are in their extended positions automatically activates said wheel assembly locking means to lock the wheel assemblies in their extended positions, manually actuatable means on said trailer for a human operator to move said interconnecting means to selectably manually operate said actuation means to selectably unlock said locking means at any operator-selected time after the towing member is moved away from its towing position to a non-towing position, apparatus means on said trailer for preventing manual operation of said manually actuatable means to prevent such selectable unlocking of said wheel assembly locking means while said towing member is in its towing position and until after an operator selectable time after the towing member is moved away from its towing position to a non-towing position, whereby said trailer can be towed when its wheel assemblies are locked in their extended positions by the towing member in its towing position and may rest upon a supporting surface by unlocking and retracting all wheel assemblies after the towing member is moved away from its towing position.

이 특허를 인용한 특허 (36)

Atkinson, James P., Adjustable height trailer.
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Emanuele Briscese CA, Adjustable vehicle with moving section for load transfer.
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Lariviere, Yves, Angular adjusting system for torsion suspension and torsion suspension so obtained.
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Borglum,Keith, Apparatus for supporting and transporting a bleacher.
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Coates, George J., Assembly and method for lowering and raising a transport trailer bed for loading and unloading a trailer.
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Iliuta, Radu, Assembly to adjust the height of an axle of a vehicle.
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Stout, James Veril, Combination hitch-mountable utility cart.
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Braithwaite, David C., Fluid recirculation system for localized temperature control and chilling of compressed articles.
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Derven John ; George Donald A. ; Lewontin James Peter ; Logan Patrick, Folding bicycle trailer.
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Stutz, Michael S.; Slayter, John, Liftable ramp trailer.
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Smith, William M., Method and apparatus for an adjustable trailer.
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Davis, F. Brent, Modular dynamically adjustable suspension system for trailers.
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Tran, Khoa Van, Motorcycle transport trailer.
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VanDenberg, Ervin K.; Croston, David H.; Powers, Michael K., Multiple axle equalizing rubber suspension.
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VanDenberg, Ervin K.; Croston, David H.; Powers, Michael K., Multiple axle equalizing rubber suspension (ERT).
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Smith Francis V., Rear loading trailer and method of use.
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Cook Michael James, Stowable utility trailer.
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VanDenberg, Ervin K.; Croston, David H., Suspension assembly.
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VanDenberg, Ervin K.; Croston, David H., Suspension assembly.
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Vandenberg, Ervin K.; Croston, David H., Suspension assembly.
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VanDenberg, Ervin K.; Croston, David H., Suspension assembly with coaxial torsion bar.
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VanDenberg, Ervin K.; Croston, David H., Suspension system having parallel air spring and rubber force reaction.
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VanDenberg, Ervin K.; Croston, David H., Suspension system with single moving element.
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Gary L. Kelderman, Torsion axle and air bag vehicle suspension system.
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Tran, Khoa Van, Towable cargo container.
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Tran, Khoa Van, Towing systems.
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Briscese Emanuele,CAX ITX R0G 1M0, Trailer.
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Edens, Dan L., Trailer.
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Muhs,David; Parma,Gianfranco, Trailer and fuel tank assembly.
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Rupp, Ronald L., Trailer assembly.
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Boyd, Ellis J., Trailer system.
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Osborne, Kelly; Sundberg, Thomas L., Trailer with height-adjusting axle assembly.
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Osborne, Kelly, Trailer with height-adjusting mechanism.
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Fankhauser, Jason; McKay, Colin, Trailer with lowerable and raisable trailer bed.
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Shanahan, Robert, Trailer with selective elevating and lowering feature.
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Briscese, Emanuele, Vehicle with adjustable height wheel and fender therefor.
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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Trailerable structure with retractable suspension 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (36)

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Trailerable structure with retractable suspension 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (36)

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