Patent ID: 6926254
Filing Date: 2005-08-09
Classification: B25H,B66F

Abstract:
1. An apparatus for raising and lowering heavy objects between a floor surface and a higher elevation comprising: (a) a bottom frame having two ends, a front end and a rear end, the bottom frame also having two sides, a left side and a right side, the bottom frame further comprising a support frame and a mounting frame, the support frame comprising a left bar and a right bar, with each bar having two ends, a first end and a second end, the second end of each bar being fixedly attached to the mounting frame, the mounting frame having the shape of a U-shape bracket and comprising a front mounting bracket, a left mounting bracket, and a right mounting bracket, each of the brackets of the mounting frame having two ends, a first end and a second end, each of the brackets of the mounting frame also having two side surfaces, a top side surface and a bottom side surface, each of the brackets of the mounting frame also having two sides, an inner side and an outer side, the second end of the left mounting bracket being fixedly attached to the first end of the front mounting bracket, the second end of the right mounting bracket being fixedly attached to the second end of the front mounting bracket, the left mounting bracket and right mounting bracket being parallel to one another, the second end of the left bar being fixedly attached to the bottom side surface of the left mounting bracket, the second end of the right bar is fixedly attached to the bottom side surface of the right mounting bracket, (b) a quartet of wheels comprising a first wheel, a second wheel, a third wheel, and a fourth wheel, the first wheel attached to the first end of the left bar, the second wheel attached to the first end of the right bar, the third wheel attached to the bottom side surface of the left mounting bracket, and the fourth wheel attached to the bottom side surface of the right mounting bracket, (c) a support bracket having two ends, a first end and a second end, the support bracket further having two side surfaces comprising a top side surface and a bottom side surface, the first end of the support bracket is attached to the inner side of the left mounting bracket, the second end of support bracket attached to the inner side of the right mounting bracket, (d) a hydraulic pump mounted on the top side surface of support bracket and the top side surface of front mounting bracket, the pump having two ends, a first end and a second end, the first end having an opening, (e) a T-joint connected to the opening on the hydraulic pump, (f) a volume of hydraulic fluid located within the hydraulic pump, (g) a lever having two ends, an attached end and a free end, the attached end of the lever being attached to the hydraulic pump near the first end of the hydraulic pump, (h) a pair of cylinders comprising a first cylinder and a second cylinder, each cylinder having two ends, a first end and a second end, the second end of each cylinder attached to the front mounting bracket, the first end of each cylinder having an opening, (i) a pair of rods comprising a first rod and a second rod, each rod having two ends, a first end and a second end, the first end of the first rod being inserted into the opening on the first end of the first cylinder, the first end of the second rod being inserted into the opening on the first end of the second cylinder, (j) a cavity located within each cylinder that is adjacent to the rod inserted within a particular cylinder, each cavity located near the second end of the cylinder, (k) a pair of tubes comprising a first tube and a second tube, each tube having two ends, a first end and a second end, the first end of each tube connected to the T-joint, the second end of the first tube attached to the first cylinder near the second end of the first cylinder, and the second end of the second tube attached to the second cylinder near the second end of the second cylinder, (l) a pair of hinge elements comprising a first hinge element and a second hinge element, the second end of the first rod attached to the first hinge element, the second end of the second rod attached to the second hinge element, (m) a hinge mounting rod having two ends, a first end and a second end, the first end of the hinge mounting rod attached to the first hinge element, the second end of the hinge mounting rod attached to the second hinge element, (n) a plurality of support bars, the plurality of support bars being an even number of support bars, at least one of the support bars attached to the left hinge element, at least one of the supports attached to the right hinge element, (o) wherein an individual can place a heavy object on top of the plurality of support bars, and (p) further wherein an individual can adjust the height of the plurality of support bars upward or downward by using the hydraulic pump and the pair of cylinders to raise or lower the plurality of support bars.