|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||180/11 ; 180/14.1 ; 280/DIG4|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 49 인용 특허 : 0|
A self-propelled shopping cart, having a trailer accommodation for transporting a passenger behind the cart, and further comprising a brake feature wherein a tilting trailer is used for automatic drive and brake control. An operator can tilt the trailer to the rear to apply a brake means or forward to engage a drive means. A basket of the cart can be removed and replaced by a seat and back rest through the use of a quick release cam locking device and the trailer can be placed in an upright, stowed position so that the cart may be used in the conventiona...