Patent ID: 6089809
Filing Date: 2000-07-18
Classification: E04G,Y10S

Abstract:
A device for use in raising a wall, comprising:a footing member,an upright member, said upright member having a first end and a second end, said upright member first end being fixed to said footing member and extending in a substantially vertical direction from said footing member,a support arm, said support arm having a first end and a second end, said first end being affixed to said upright member second end such that said support arm is at a right angle to said upright member,a brace member, said brace member having a first end and a second end, said first end being fixed to said support arm, proximate said support arm first end, and said brace member second end being fixed to said upright member,a pulley, said pulley being affixed to said upright member,a cable guide member, said cable guide member being fixed adjacent to said support arm second end,a flexible cable, said flexible cable having a first end and a second end, said cable first end being secured to said pulley, and being supported between said first end and said second end by said cable guide member,a wall engaging member, said wall engaging member being connected to said flexible cable second end,wherein rotation of said pulley causes said wall engaging member to change positions on a vertical plane in relation to said footing member, said support arm length in ratio to said upright support length enabling an edge of a wall to be lifted in a 90 degree arc during said change of positions of said wall engaging member.