|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/047.2 ; 188/022 ; 188/030 ; 280/047.27|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 23 인용 특허 : 2|
Hand truck or dolly apparatus includes a main frame and a pair of main tires and brake elements secured to the main frame, including a pair of plates movable against the tires. The brake plates are actuable either by a foot operation or by hand operation. The brake plates may be set only by foot operation, while the hand operation of the brakes moves the brake plates against the wheels for a "feathering" brake action. The dolly apparatus also includes a pair of rear stabilizer wheels disposed on a frame pivotally secured to the main frame of the dolly or...
[ What I claim is:] [1.] Dolly apparatus comprising in combination:a platform for supporting an article to be moved;a first pair of wheels secured to the platform means for moving the platform and the article;handle means secured to the platform and to the pair of wheels for grasping by a user to move the dolly apparatus; andmeans for stabilizing the platform, including a frame secured to and pivotal on the handle means adjacent to the platform between an up, storage, position and a down, use, position, includinga cross beam pivotally secured to the hand...