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US4235145A Expired / Lapsed US ⏱️ 0.0 years remaining

Stringed musical instrument neck adjustable to counteract warping

Assignee: Individual
•
Filing: 1979-02-08
•
Granted: 1980-11-25
•
Expires: 1999-02-08
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Abstract

Abstract A neck for a stringed instrument which is adjustable to counteract warping by tensioning a strap of substantially inextensible material positioned within the neck. In one embodiment, the strap is positioned inside a conduit inside the neck which can be bowed to counteract the warping. The strap is positioned in the conduit in the shape of an arc with the ends of the strap closer to the finger board or the strings than the central region of the strap by a plurality of rod members fixedly secured to the conduit. One end of the strap is fixedly secured to one end of the conduit and the other end can be moved to tension the strap and bow the conduit and neck to counteract warping. In another embodiment, the strap is shaped as an arc inside the conduit by an elongated filler element having an arcuate bottom surface which progressively increases in depth from the ends of the filler element toward the central region of it. In other embodiments, the strap is not disposed within a conduit but is held within the neck in the shape of an arc by filler elements placed in arcuate shaped channels in the neck.

Inventors

  • 👤 Andrew B. Adams, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 20:42
CPC Classifications
G; G10; G10D; G10D1/00; G10D1/04; G10D1/05; G10D1/08; G10D3/00; G10D3/06

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 140 words
A neck straightening means for a stringed musical instrument, said instrument having a neck and strings extending thereover, said neck straightening means comprising: an elongated conduit having a length substantially commensurate with said neck; a body located within said conduit adjacent a first end thereof, said body being axially movable within said conduit: a substantially longitudinally inextensible member within said conduit, a first end of which is connected to said axially movable body and a second end of which is connected adjacent the second end of said conduit; and means positioning said inextensible member in the shape of an arc within said conduit, said first and second ends of said inextensible member adapted to be located closer to said strings than the central region thereof, said positioning means resisting movement of said central region in a direction toward said strings.
Claim 2
Dependent Claim 140 words
A neck straightening means for a stringed musical instrument, said instrument having a neck and strings extending thereover, said neck straightening means comprising: an elongated conduit having a length substantially commensurate with said neck; a body located within said conduit adjacent a first end thereof, said body being axially movable within said conduit: a substantially longitudinally inextensible member within said conduit, a first end of which is connected to said axially movable body and a second end of which is connected adjacent the second end of said conduit; and means positioning said inextensible member in the shape of an arc within said conduit, said first and second ends of said inextensible member adapted to be located closer to said strings than the central region thereof, said positioning means resisting movement of said central region in a direction toward said strings.
Claim 3
Dependent Claim 18 words
A neck straightening means as claimed in claim 1, wherein: said conduit is substantially rectangular in transverse cross-section.
Claim 4
Dependent Claim 15 words
A neck straightening means as claimed in claim 2, wherein: said conduit is substantially straight.
Claim 5
Dependent Claim 18 words
A neck straightening means as claimed in claim 1, wherein: said body is non-rotatably disposed within the conduit.
Claim 6
Dependent Claim 65 words
A neck straightening means as claimed in claim 4, wherein: said body is substantially rectangular in transverse cross-section; and is internally threaded; an externally threaded rotatable road threadingly secured to said longitudinally movable body; and a stationary abutment member secured to the conduit and preventing longitudinal movement of said rod member whereby, when said rod member is rotated, said internally threaded body is moved longitudinally.

References Cited (Backward Citations)

US2056474A Cited
US3159072A Cited
US3244054A Cited
DE2013941A1 Cited
US4074606A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-11-25 1984-05-26 1984-11-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-11-25 1988-05-26 1988-11-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-11-25 1992-05-26 1992-11-25 $7700.00 Window Closed / Lapsed

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