|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||224/576; 224/644; 224/643|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 29|
An apparatus includes a bag to carry one or more objects on the back of a person, and a cushion for connection to a surface of the bag. The cushion is used for making substantially continuous contact with the back when the bag is carried on the back. The apparatus may be a backpack or any other type of bag.
1. An apparatus comprising: a bag to carry one or more objects on a back of a person, the bag having a bottom horizontal surface;a central wheeled device that is deployable from the bag while the bag is worn on the back of the person, the central wheeled device comprising: a wheel;a rod having a first end connected to the wheel; anda socket for accepting a second end of the rod, the socket located substantially in the middle of the bottom horizontal surface of the bag; andan activation switch to deploy the central wheeled device from a stored position to...