A wiper blade is presented having a wiper strip, a primary frame, and a pair of secondary frames. The primary frame having a connection device capable of connecting the wiper blade to a wiper arm disposed on a top side of the primary frame, and a connection structure disposed, on opposite ends of the primary frame. The pair of secondary frame, each have a central pivot connection portion and two leg portions extending from the central pivot connection portion, a pivot structure disposed on the central pivot connection portion of the secondary frames wherein the pivot structure of the secondary frames are connected to the connection structures on the ends of the primary frame. A wiper blade is also presented having a wiper strip, a force distribution structure having opposite ends, and a cover.
1. A wiper blade comprising:
a wiper strip;
a primary frame having a top side and opposite ends, the primary frame including
a connection device capable of connecting the wiper blade to a wiper arm disposed on the top side of the primary frame, and
a pivot extension portion disposed on one of the opposite ends of the primary frame, the pivot extension portion including a pair of pivot extension walls, each pivot extension wall including a wall hole provided along a pivot axis; and
a secondary frame having a top surface and opposite ends, the secondary frame including
a central pivot connection portion including a pair of wings each projecting away from the top surface of the secondary frame, each wing including a wing hole, and further including a plurality of recesses provided on the top surface, each recess positioned adjacent to one of the pair of wings,
two leg portions extending from the central pivot connection portion, and
a pivot structure disposed on the central pivot connection portion of the secondary frame,
wherein the pivot structure on the secondary frame is connectable with the pivot extension portion on the primary frame, the secondary frame is pivotable about the pivot axis when the pivot structure is connected with the pivot extension portion.
2. The wiper blade of claim 1 , wherein a rivet is mutually insertable through the wall holes and the wing holes along the pivot axis.
3. The wiper blade of claim 1 , wherein the pivot structure includes an upper wall and a pair of side walls projecting from the upper wall, and each side wall includes a side wall hole provided along the pivot axis.
4. The wiper blade of claim 3 , wherein a rivet is mutually insertable through the wall holes, the wing holes, and the side wall holes along the pivot axis.
5. The wiper blade of claim 3 , wherein at least one of the side wall holes includes a protruding channel, the protruding channel projecting from one side wall to the other side wall, and the protruding channel insertable into one of the wing holes.
6. The wiper blade of claim 3 , wherein the side walls of the pivot structure are provided between the pivot extension walls and the pair of wings.
7. The wiper blade of claim 1 , wherein the pivot structure has an upper wall and the pair of side walls, and the top surface and pair of wings of the secondary frame have a complimentary shape with the upper wall and the pair of side walls.
8. The wiper blade of claim 7 , wherein the complimentary shape is a substantially “U” shape as viewed from a side profile.
9. The wiper blade of claim 1 , wherein the plurality of recesses include a first pair of recesses provided on either side of one wing of the pair of wings and a second pair of recesses provided on either side of the other wing of the pair of wings.
10. The wiper blade of claim 1 , wherein the pivot structure, when connected with the pivot extension portion, is provided between the pivot extension portion on the primary frame and the central pivot connection portion of the secondary frame.
11. A wiper blade comprising:
a wiper strip;
a primary frame having a top side and opposite ends, the primary frame including
a connection device capable of connecting the wiper blade to a wiper arm disposed on the top side of the primary frame, and
a pivot extension portion disposed on one of the opposite ends of the primary frame, the pivot extension portion including a pair of pivot extension walls, each pivot extension wall including a wall hole provided along a pivot axis; and
a secondary frame having a top surface and opposite ends, the secondary frame including
a central pivot connection portion including a pair of wings each projecting away from the top surface of the secondary frame, each wing including a wing hole, and further including a plurality of recesses provided on the top surface, each recess positioned adjacent to one of the pair of wings,
two leg portions extending from the central pivot connection portion, each leg portion is a thin frame, straight, and extending from the pivot connection portion at an oblique angle of descent relative to the pivot connection portion, and each leg portion has a cross-section with a substantially rectangular shape with the cross-section being made by a vertical plane, and
a pivot structure disposed on the central pivot connection portion of the secondary frame,
wherein the pivot structure on the secondary frame is connectable with the pivot extension portion on the primary frame, the secondary frame is pivotable about the pivot axis when the pivot structure is connected with the pivot extension portion.
12. The wiper blade of claim 11 , wherein a rivet is mutually insertable through the wall holes and the wing holes along the pivot axis.
13. The wiper blade of claim 12 , wherein the pivot structure includes an upper wall and a pair of side walls projecting from the upper wall, and each side wall includes a side wall hole provided along the pivot axis.
14. The wiper blade of claim 13 , wherein a rivet is mutually insertable through the wall holes, the wing holes, and the side wall holes along the pivot axis.
15. The wiper blade of claim 13 , wherein at least one of the side wall holes includes a protruding channel, the protruding channel projecting from one side wall to the other side wall, and the protruding channel insertable into one of the wing holes.
16. The wiper blade of claim 11 , wherein the pivot structure has an upper wall and the pair of side walls, and the top surface and pair of wings of the secondary frame have a complimentary shape with the upper wall and the pair of side walls.
17. The wiper blade of claim 16 , wherein the complimentary shape is a substantial shape as viewed from a side profile.
18. The wiper blade of claim 16 , wherein the side walls of the pivot structure are provided between the pivot extension walls and the pair of wings.
19. The wiper blade of claim 11 , wherein the plurality of recesses include a first pair of recesses provided on either side of one wing of the pair of wings and a second pair of recesses provided on either side of the other wing of the pair of wings.
20. The wiper blade of claim 11 , wherein the pivot structure, when connected with the pivot extension portion, is provided between the pivot extension portion on the primary frame and the central pivot connection portion of the secondary frame.