Patent ID: 7997846
Filing Date: 2011-08-16
Classification: E04F

Abstract:
1. A drywall panel lifter comprising a. a first stanchion and a second stanchion, each having a base and a top; b. a first jack vertically set into the first stanchion and a second jack vertically set into the second stanchion wherein each jack has a base end and an extending portion and wherein each extending portion is capable of rising past the tops of the first and second stanchion respectively; c. a first bar hinged at a first end to the first jack and a second bar hinged at a first end to the second jack; d. a cross-piece assembly connected to a second end of the first bar and a second end of the second bar having therein a crank and a screw gear wherein the crank is operatively connected to the screw gear that operates the first jack and the second jack; e. a first gripper mounted on the extending portion of the first jack and a second gripper mounted at the extending portion of the second jack wherein said grippers are configured to hold a panel; and f. a first ceiling plate mounted on the extending portion of the first jack and a second ceiling plate mounted on the extending portion of the second jack wherein the extending portions can be raised such that the ceiling plates contact the ceiling.