|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||414/10 ; 254/2R ; 269/905 ; 280/4734|
|발명자 / 주소|
|인용정보||피인용 횟수 : 11 인용 특허 : 0|
A hand truck apparatus configured for transporting, as well as lifting, a load and also configured so that the hand truck apparatus is self-stabilizing under all conditions of use. The hand truck apparatus in accordance with the invention provides mechanical advantage for lifting the load and is configured for precisely lifting the load to a raised position. The hand truck apparatus in accordance with the invention is self-stabilizing when a load is not placed on the hand truck apparatus, as well as when a load is placed on the hand truck apparatus and f...
In a hand truck apparatus including a chassis having a longitudinal axis, a load supporting plate positioned centrally of the chassis and having a proximal edge connected to the chassis, first and second side edges, and a distal edge lying outwardly away from the chassis, the load supporting plate having a top surface configured to be slid under a load to contact an underside of the load, and at least one wheel rotatably mounted to the chassis, the improvement comprising: frame means; means connected to the chassis for slidably mounting the frame means t...