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US 5,691,491 AGranted
Vacuum formed guitar backs
OwnerDavid DeGomezinventor
Life of this patent
Estimating the term…
Abstract
A back shell for guitars or similar musical instruments having sides that at the rim turn inward and then outward to produce a flange that the soundboard can be adhered to. With multi-part tooling, the back shell can be produced at a very low cost from sheet plastics using the vacuum form method of manufacture.
Claims7
A back shell for a stringed musical instrument comprising:
- A back portion;
- a plurality of sidewall portions extending transverse to the back portion so that the back portion and sidewall portions form a U-shaped cross section having an interior between opposing sidewall portions;
- and
- a lip structure for attaching a soundboard, the lip structure extending transverse to said plurality of sidewall portions and outwardly away from said interior.
1 more element
A stringed musical instrument comprising:
- a back shell;
- a soundboard attached to a front of said back shell;
- a neck extending from said back shell substantially parallel to a plane of said soundboard;
- and
- a plurality of strings extending from an end of said neck away from said back shell to said soundboard;
- wherein said back shell includes;
- a back portion extending parallel and spaced from said soundboard;
- a plurality of sidewall portions extending transverse to the back portion so that the back portion and sidewall portions form a U-shaped cross section having an interior between opposing sidewall portions;
- and
- a lip structure for attaching said soundboard, the lip structure extending transverse to said plurality of sidewall portions and outwardly away from said interior.
7 more elements
Dependencies are inferred from the claim text.