Patent ID: 6494291
Filing Date: 2002-12-17
Classification: E04G

Abstract:
An erectable and transportable scaffold device adapted to be engaged upon and supported on a support beam, the scaffold device comprising a rear frame structure, securing means on said rear frame structure for securing said rear frame structure to the support beam, a front frame structure shorter than said rear frame structure, a plurality of lateral braces arranged in vertically spaced parallel relationship and pivotally connected at their respective ends to the respective said rear frame structure and said front frame structure, a scaffold plate forming a scaffold floor pivotally connected to each side of said rear frame structure and said front frame structure adjacent the bottom ends thereof a link member connected between the tops of corresponding respective ends of said rear and front frame structures and supporting said front frame structure in an erected position spaced outwardly from said rear frame structure and also in a collapsed position with said front frame juxtaposed, in respect to said rear frame, in an erected position, said front and rear frame structures and said side braces defining a cage therewithin, and said securing means including a holding bracket consisting of a single unitary structure and being connected rigid throughout to said rear frame structure, and having front pawl parallel to and supported rotatably with respect to said holding bracket through a guide member connected to a bolt and a rear pawl slidably positioned along said bolt, said rear pawl being engaged against the support beam by threading a wing nut onto said bolt behind said rear pawl to lock said rear pawl in position, and wherein said rear frame structure carries in parallel and rigidly said holding bracket.