|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B62B-003/02 B62B-001/00 B62B-001/12 B62B-001/20|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 3 인용 특허 : 36|
A convertible hand truck includes first and second truck frames coupled with each other through a pair of fixed members and a pair of pivoting members such that the second truck frame is turnable relative to the first truck frame among a folded position, a platform-cart position and a reclined-truck position. A stabilizing lever is pivotably connected with the second truck frame or the pivoting members to be engaged with or disengaged from the fixed members in response to the turning of the second truck frame. The second truck frame extends outwardly fro...
1. A convertible hand truck comprising: a first truck frame having a pair of first pivot end portions opposite to each other in a left-and-right direction, and a pair of first end portions disposed opposite to said first pivot end portions, respectively, in a first direction transverse to the left-and-right direction;a second truck frame having a pair of second pivot end portions opposite to each other in the left-and-right direction, and a pair of second end portions disposed opposite to said second pivot end portions, respectively, in a second directio...