Built-up screen coupling structure
First Claim
Patent Images
1. A built-up screen coupling structure, comprising:
- at least two screen board frames, each of said screen board frames defining a side end having a slot formed within a top portion thereof and a plurality of relatively smaller openings along on outer side, said smaller openings defining therebetween a plurality of dividing planar portions of substantially equal dimension and spaced at equal intervals;
at least one adjusting device mounted within one of said slots within the top portion of the side end of one of said screen board frames, said adjusting device having an L-shaped base, a top board, a compression spring and a bolt, said L-shaped base defining an inner wall having a first groove, a bolt hole and a second groove respectively formed therein, said top board being transversely fastened in the first groove of said L-shaped base and having a top board groove and a bolt hole respectively formed therein at locations substantially aligned with the second groove and the bolt hole of said L-shaped base, said bolt being respectively fastened in the bolt holes on said top board and said L-shaped base, said compression spring being sleeved on said bolt and retained between said top board and said L-shaped base;
a plurality of fastening devices respectively fastened in said screen board frame smaller openings to secure at least two screen board frames together, said fastening devices substantially defining an inverter U-contour, having an inclined side wall obliquely extending downward from a vertical side wall, defining therein a retaining space for retaining a plate spring, said plate spring having a curved end fastened in a groove formed within said oblique side wall on an external surface and an opposite end retained within said retaining space; and
at least one face panel having a set of notches formed therein and vertically aligned on a back side with a curved strip spring and a fastening element respectively secured therein for fastening in corresponding holes made on said at least two screen board frames.
0 Assignments
0 Petitions
Accused Products
Abstract
A built-up screen coupling structure, comprising at least two screen board frames side matched together by a plurality of fastening devices and at least an adjusting device. The screen board frames have each at least a side end having a slot at the top and a plurality of relatively smaller openings at the outer side. The openings are respectively divided by a plurality of dividing boards. The fastening devices are respectively fastened in the openings and clamped on the dividing boards to connect two screen board frames together. The adjusting device is fastened in the slot to secure the connection.
-
Citations
3 Claims
-
1. A built-up screen coupling structure, comprising:
-
at least two screen board frames, each of said screen board frames defining a side end having a slot formed within a top portion thereof and a plurality of relatively smaller openings along on outer side, said smaller openings defining therebetween a plurality of dividing planar portions of substantially equal dimension and spaced at equal intervals; at least one adjusting device mounted within one of said slots within the top portion of the side end of one of said screen board frames, said adjusting device having an L-shaped base, a top board, a compression spring and a bolt, said L-shaped base defining an inner wall having a first groove, a bolt hole and a second groove respectively formed therein, said top board being transversely fastened in the first groove of said L-shaped base and having a top board groove and a bolt hole respectively formed therein at locations substantially aligned with the second groove and the bolt hole of said L-shaped base, said bolt being respectively fastened in the bolt holes on said top board and said L-shaped base, said compression spring being sleeved on said bolt and retained between said top board and said L-shaped base; a plurality of fastening devices respectively fastened in said screen board frame smaller openings to secure at least two screen board frames together, said fastening devices substantially defining an inverter U-contour, having an inclined side wall obliquely extending downward from a vertical side wall, defining therein a retaining space for retaining a plate spring, said plate spring having a curved end fastened in a groove formed within said oblique side wall on an external surface and an opposite end retained within said retaining space; and at least one face panel having a set of notches formed therein and vertically aligned on a back side with a curved strip spring and a fastening element respectively secured therein for fastening in corresponding holes made on said at least two screen board frames. - View Dependent Claims (2, 3)
-
Specification