US Patent:
20070214683, Sep 20, 2007
Inventors:
Mazen Almadani - Woodbury MN, US
International Classification:
E01H 5/04
Abstract:
A lost motion mechanism that is operatively interconnected with a hydraulic cylinder is provided. The lost motion mechanism includes an elongated rod connected with a portion of the hydraulic cylinder. An elongated sleeve member is adapted to receive at least a portion of the rod extension. The sleeve member includes at least one slot of a predetermined length. At least one pin member is attached relative to the rod extension and protrudes into the at least one slot. The pin member together with the slot limits the longitudinal movement of the rod extension and enables an implement to be moved by hydraulic force both upward and downward relative to ground level as well as enables the implement to be free floating relative to the ground level.