Patent ID: 11972744
Assignee: nan
Field: Other consumer goods (Other fields)
Classification: CPC G | IPC G

Claim 0:
1. A molded plastic ukulele, comprising
a body having an upper half and a lower half, the upper half of the body having a neck, a fretboard, and a head plate, the lower half of the body having a sound board and a back plate, wherein the sound board has a sound hole and an inner side facing the back plate, the inner side of the sound board having an outline reinforcing rib, a lower section and an upper section, and wherein the upper section comprises the sound hole, two widthwise reinforcing ribs and two lengthwise reinforcing ribs separated by the sound hole, the lengthwise reinforcing ribs substantially parallel to the fretboard, and the lower section comprises two shorter tuning ribs, a first group of longer parallel tuning ribs and a second group of longer parallel tuning ribs, and wherein each of the longer tuning ribs has two rib end, at least one of the rib ends connected to the outline reinforcing rib, each of the longer tuning rib having a bow shape profile with two end heights and a midpoint height greater than the end height, the first group of longer tuning ribs configured to intersect with the second group of longer tuning ribs at a plurality of intersecting points, such that the intersecting points form a plurality of widthwise-aligned point groups, each of the widthwise-aligned point groups having two outer intersecting points, and wherein each of the two shorter tuning ribs is connected to the outline reinforcing rib and to one of the two outer intersecting points of one of the widthwise-align point groups.