| 摘要 |
A hand truck ( 20 ) for transporting a load is disclosed. The hand truck ( 20 ) comprises a sub-frame ( 22 ) with a foot portion ( 47 ) extending therefrom so that the sub-frame is able to support the load, a main frame ( 21 ) engaged with the sub-frame ( 22 ) such that the sub-frame ( 22 ) is able to be extended and retracted with respect to a lower end ( 32 ) of the main frame ( 21 ), at least one wheel ( 62, 63 ) secured relative to the main frame ( 21 ) so that the truck 20 is able to be wheeled about, a motor ( 70 ), a controller ( 74 ) coupled to the motor ( 70 ) for enabling a user to control the operation of the motor ( 70 ), and a flexible linkage ( 77 ) coupling the motor ( 70 ), main frame ( 21 ) and sub-frame ( 22 ) together such that the motor ( 70 ) is operable to move the linkage ( 77 ) to thereby extend or retract the sub-frame ( 22 ).
|
