| 摘要 |
<p>An auxiliary drive particularly, though not necessarily, for retrofitting on already existing vehicles, such as prams, including an electric motor (20) with associated battery (9) with drive connection to carrying axle section (15) of at least one pair of wheels (5), where motor (20) and battery casing (9) with associated control equipment (12) are made attachable to the undercarriage (1) of the vehicle is disclosed, where the auxiliary drive includes an auxiliary frame (13) constituting an entire undercarriage structure (1) with underlying battery casing (9) with associated control equipment (12) and with motor (20) with associated drive connection to an axle section (15) carrying a pair of wheels (5), and where the auxiliary frame (13) with respect to engagement with engagement means (3) upwards is adapted for with unchanged engaging condition to serve as undercarriage and/or as undercarriage with supporting undercarriage frame for an upper carriage to be connected thereto. <IMAGE></p> |
