Patent ID: 6612803
Filing Date: 2003-09-02
Classification: B66F,E21D,E21F

Abstract:
A cradle for placing a support in a mine, the cradle attaching to a platform for holding the mine support, the platform being associated with a mechanism for moving the platform, the cradle comprising:a holder for holding the mine support, the holder having an edge; an arm mechanism rotatably attached to the holder which has an open position that allows the support to enter the holder and a closed position which prevents the support from leaving the holder; and an attachment mechanism connected to the holder for rotatably attaching the holder to the platform, the attachment mechanism maintaining the holder in a horizontal position relative to the platform with the entire edge of the holder in parallel with the surface of the platform and at a level no higher than the level of the platform so the mine support can roll from the platform to the holder and enter the holder or in a vertical position relative to the platform.