Patent ID: 8490747
Filing Date: 2013-07-23
Classification: E04G

Abstract:
1. A scaffold comprising: a frame assembly having a first vertical hollow tube at a first corner of the assembly, a second vertical hollow tube at a second corner of the assembly, a third vertical tube at a third corner of the assembly and a fourth vertical tube at a fourth corner of the assembly; the first and second vertical tubes have a first set of horizontal tubes between them and the third and fourth vertical tubes have a second set of horizontal tubes between them; and diagonal tubes extending between the second vertical tube and the third vertical tube; the first, second, third and fourth corners defining a rectangle; a movable plank that is disposed on a horizontal tube of the first set of horizontal tubes and a horizontal tube of the second set of horizontal tubes of the frame assembly inside the rectangle; a wheel attached to a bottom of each of the first, second, third and fourth vertical tubes of the frame assembly on which the frame assembly is capable of rolling; a plastic project tray, the tray includes holes for storing tools; a telescoping tube assembly that is mounted inside the first and second vertical tubes of the frame assembly only, the tray is mounted to the telescoping tube assembly, the tube assembly includes a first telescoping tube that fits inside the first vertical tube and a second telescoping tube that fits inside the second vertical tube, the tube assembly able to be moved up or down relative to the first and second vertical tubes to a desired height; and an engagement assembly which releasably locks the tube assembly with the frame assembly so the tube assembly can be secured to the frame assembly at the desired height, the engagement assembly includes a first plastic sleeve that is fitted to the top of the first vertical tube, and a second plastic sleeve that is fitted to the top of the second vertical tube, and through which the first telescoping tube and the second telescoping tube extend through, respectively, into the first vertical tube and the second vertical tube, respectively; the first and second vertical tubes, and the first and second sleeves each have holes that align with each other, respectively; the engagement assembly includes a first quick release pin and a second quick release pin that extend through the holes of the first vertical tube and the first sleeve, and the second vertical tube and the second sleeve, respectively, to lock the tube assembly to the frame assembly.