| 摘要 |
The present invention relates to a bike having an expanded knife ski device. The bike having an expanded knife ski device according to the present invention comprises: a left landing wheel arm provided on the left portion of the bike, a left landing wheel being rotatably coupled to the lower end of the left landing wheel arm such that the left landing wheel can be moved up/down; a right landing wheel arm provided on the right portion of the bike, a right landing wheel being rotatably coupled to the lower end of the right landing wheel arm such that the right landing wheel can be moved up/down; a left driving unit for lifting/lowering the left landing wheel by driving the left landing wheel arm; a right driving unit for lifting/lowering the right landing wheel by driving the right landing wheel arm; a left ski mounting socket coupled to the left landing wheel arm; a right ski mounting socket coupled to the right landing wheel arm; a left insertion member detachably coupled to the left ski mounting socket; a right insertion member detachably coupled to the right ski mounting socket; a left ski leg integrally coupled to the left insertion member so as to extend downwards; a right ski leg integrally coupled to the right insertion member so as to extend downwards; a left bike ski, which is hinge-coupled to the lower end of the left ski leg to be able to make a hinge movement about a left/right horizontal axis, which extends in the forward/backward direction, and which has blades formed on the left and right ends, respectively; and a right bike ski, which is hinge-coupled to the lower end of the right ski leg to be able to make a hinge movement about the left/right horizontal axis, which extends in the forward/backward direction, and which has blades formed on the left and right ends, respectively. |
