Patent ID: 7063172

Claim:
A driving machine for driving a driving member against an object, said driving machine comprising: at least one support member, said at least one support member being supportable by a support structure; a driving device slidably mounted to said at least one support member and being slidable along said at least one support member, said driving member being movable along said at least one support member generally with said driving device, said driving device being operable to drive said driving member downward to drive said driving member against an object to move or break the object, said driving device being initially positioned at an upper portion of said at least one support member and said driving member engaging the object when said driving device is positioned at said upper portion of said at least one support member, said driving device sliding downward along said at least one support member as said driving member is driven against the object and the object is moved or broken, said driving member impacting the object multiple times while said driving device slides downward along said at least one support member, said at least one support member and said driving device being configured to substantially maintain alignment of said driving member with the object during operation of said driving machine; and said driving device being mounted to a mounting frame that includes at least one collar, said at least one collar slidably receiving said at least one support member to slidably mount said driving device to said at least one support member, wherein said at least one support member includes a stop member at a lower end of said at least one support member, said stop member engaging said at least one collar to limit downward movement of said driving device along said at least one support member.