Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
B61C15/08—Preventing wheel slippage
B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
B61C15/105—Preventing wheel slippage by depositing sand or like friction increasing materials with gravity activated sanding equipment