Sledge has runners and roller runners pivotably located on main part, runners and, when necessary, roller runners being foldable outwards from main part

摘要

The sledge has runners (2) and roller runners (3) pivotably located on the main part (1). The runners, and, when necessary, the roller runners are foldable outwards from the main part. The link connection of the main part consists of bolts (5) and securing bolts (6), which are used as securing axes for the runners and roller runners.