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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||180/13 ; 180/19R|
|발명자 / 주소||
|인용정보||피인용 횟수 : 13 인용 특허 : 0|
A self-powered device for maneuvering automobile trailers after they are disconnected from the automobile comprises a coupling sleeve for receiving the lower end of a telescopic jack tube on the trailer, which coupling sleeve is mounted between the front caster wheel of the device and the rear driving wheel. The coupling sleeve socket swivels fore and aft but not side to side to facilitate rolling over uneven surfaces while providing lateral stability. The low height of the coupling sleeve permits connection to the trailer while the trailer is still atta...
An apparatus for attaching to and maneuvering a trailer having a telescopic jack support mounted on the tongue of the trailer comprising: frame means; a single driving wheel; drive means operatively connected to said driving wheel for selectively causing said wheel to rotate; a handle mounted on said frame means in tandem relationship with said driving wheel; a single caster wheel located on the opposite side of said driving wheel from said handle and adapted to carry part of the weight of a trailer when the apparatus is attached thereto; socket means lo...