| 摘要 |
The compact pulling apparatus (100) includes a watertight elongated housing (104) extending along a longitudinal axis (105) and a track (102) disposed around the housing (104) along its longitudinal axis (105). The track (102) enables the apparatus (100) to move when rotatably driven around the housing (104). Depending on the implementation, the apparatus (100) can include a generator/motor (202) to selectively produce electricity which can power external equipment and rotatably drive the track (102), and/or a fuel-power engine (200). The apparatus (100) further includes a power train assembly by which the rotating output power is transmitted from inside to outside the housing (104) by the power train assembly using at least one rotatable shaft section sealingly extending across a corresponding one of the walls of the housing (104). |
