Patent ID: 6082770
Filing Date: 2000-07-04
Classification: B42F

Abstract:
A fastening device for schedule folder covers comprising:a side plate with a long strip-shaped outline whose both sides are provided with a number of axle holders separated from one another between intermediate grooves, and the both ends thereof can be connected with two clamping members one of which at least is fitted with a lateral bar-shaped slotted rail at the external side end thereof;a side chain band with a number of links each of which is provided with a long hole into which a connecting band is inserted to form a hard flexible band body similar to a metallic watchband, and a inwards elongating slotted hole with narrow opening fitted to both sides thereof respectively, and a through hole mounted to one end of the side chain band for joining said clamping member to be fixed on one end of the side plate together, and an engaging bar connected to one end thereof and engaging into the bar-shaped slotted rail of another clamping member for positioning it at another end thereof;a number of covers with several outwards protruding axle holders at one side thereof extending into said intermediate grooves to achieve a connection with said axle holders, so that both sides of said side plate can be pivoted together, and a slotted hole with narrow opening mounted to the edge thereof;a connecting zipper with an expansion base at the bottom end of both sides, wherein said connecting zipper can be respectively placed into both sides of said side chain band and said slotted hole at the edge of said cover to join said side chain band and said covers therewith; characterized in that said covers are pivoted to both sides of said side plate by means that both ends of said side chain band are fixed at both ends of said side plate, and that an closed accommodating room for schedule folder is formed among said side plate, said side chain band and said covers by means of said connecting zipper in coordination with the flexible feature of said side chain band.