US4334454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guitar bridge
Assignee: Norlin Industries Inc
•
Filing: 1980-11-10
•
Granted: 1982-06-15
•
Expires: 2000-11-10
Abstract
Abstract An adjustable bridge for a stringed musical instrument is positionable at a selected position longitudinally of the strings of the instrument. The bridge is provided with a plurality of individually adjustable saddles which are mounted for movement in a direction longitudinally of the strings. Each saddle is provided with a dual height and composition insert. The bridge is of varying height laterally of the strings to provide for relatively uniform spacing from the instrument body.
Inventors
- 👤 Rendal Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:42
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/04
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
99 words
An improved guitar bridge adapted to extend laterally under the longitudinally extending strings of a guitar for the support thereof, said bridge having a plurality of longitudinally spaced mounting apertures on opposite ends thereof for effecting primary control of the fundamental frequency of said guitar strings, said bridge also having a plurality of individual secondary control means for adjusting the frequency of each of said guitar strings, whereby said longitudinally spaced mounting apertures provide a plurality of ranges over which said secondary control means may be used for said adjusting of the frequency of each of said guitar strings.
Claim 2
Dependent Claim
99 words
An improved guitar bridge adapted to extend laterally under the longitudinally extending strings of a guitar for the support thereof, said bridge having a plurality of longitudinally spaced mounting apertures on opposite ends thereof for effecting primary control of the fundamental frequency of said guitar strings, said bridge also having a plurality of individual secondary control means for adjusting the frequency of each of said guitar strings, whereby said longitudinally spaced mounting apertures provide a plurality of ranges over which said secondary control means may be used for said adjusting of the frequency of each of said guitar strings.
Claim 3
Dependent Claim
23 words
A guitar bridge in accordance with claim 1 wherein said bridge has three of said longitudinally spaced mounting apertures on opposite ends thereof.
Claim 4
Dependent Claim
48 words
A guitar bridge in accordance with claim 1 wherein said bridge is of a tapered configuration to effect relatively uniform spacing thereof from the body of the guitar yet effect a variation in the height of the central axis of said strings from the body of the guitar.
Claim 5
Dependent Claim
43 words
A guitar bridge in accordance with claim 1 wherein said secondary control means includes a plurality of string saddle seats, a plurality of longitudinally movable string saddles in said seats, and screw means adjustable to effect locking of said saddles in said seats.
Claim 6
Dependent Claim
21 words
A guitar bridge in accordance with claim 4 wherein said screw means are adjustable from the top of the string saddles.
Claim 7
Dependent Claim
30 words
A guitar bridge in accordance with claim 5 wherein each of said string saddles has an insert therein to permit positioning of the associated string at more than one height.
Claim 8
Dependent Claim
18 words
A guitar bridge in accordance with claim 6 wherein said insert is plastic to effect attenuation of overtones.
Claim 9
Dependent Claim
20 words
A guitar bridge in accordance with claim 6 wherein said insert is notched to preclude lateral movement of said string.
Claim 10
Dependent Claim
28 words
A guitar bridge in accordance with claim 8 wherein said insert is notched to allow direct contact between the string and an edge on the associated string saddle.
Claim 11
Dependent Claim
33 words
A guitar bridge in accordance with claim 8 wherein said insert is notched to allow indirect contact between the string and an edge on the associated string saddle during vibration of the string.
Claim 12
Dependent Claim
29 words
A guitar bridge in accordance with claim 4 wherein the upper surfaces of said bridge and said string saddles are slanted rearwardly toward a string anchor on the guitar.
Claim 13
Dependent Claim
80 words
An improved guitar bridge adapted to extend laterally under the longitudinally extending strings of a guitar for the support thereof, said bridge having a plurality of string saddle seats, a plurality of longitudinally movable string saddles in said seats, screw means associated with each of said string saddles adjustable to effect locking of said saddles in said seats, and an insert associated with each of said string saddles to permit positioning of the associated string at more than one height.
Claim 14
Dependent Claim
80 words
An improved guitar bridge adapted to extend laterally under the longitudinally extending strings of a guitar for the support thereof, said bridge having a plurality of string saddle seats, a plurality of longitudinally movable string saddles in said seats, screw means associated with each of said string saddles adjustable to effect locking of said saddles in said seats, and an insert associated with each of said string saddles to permit positioning of the associated string at more than one height.
Claim 15
Dependent Claim
21 words
A guitar bridge in accordance with claim 12 wherein said screw means are adjustable from the top of the string saddles.
Claim 16
Dependent Claim
18 words
A guitar bridge in accordance with claim 12 wherein said insert is plastic to effect attenuation of overtones.
Claim 17
Dependent Claim
13 words
A guitar bridge in accordance with claim 12 wherein said insert is metal.
Claim 18
Dependent Claim
20 words
A guitar bridge in accordance with claim 12 wherein said insert is notched to preclude lateral movement of said string.
Claim 19
Dependent Claim
28 words
A guitar bridge in accordance with claim 16 wherein said insert is notched to allow direct contact between the string and an edge on the associated string saddle.
Claim 20
Dependent Claim
33 words
A guitar bridge in accordance with claim 16 wherein said insert is notched to allow indirect contact between the string and an edge on the associated string saddle during vibration of the string.
Claim 21
Dependent Claim
40 words
A guitar bridge in accordance with claim 12 wherein said bridge also has bridge adjustment means for adjusting the position of said bridge relative to said guitar, thereby altering the position of said string saddle seats relative to said guitar.
Claim 22
Dependent Claim
27 words
A guitar bridge in accordance with claim 19 wherein said bridge adjustment means comprises a plurality of longitudinally spaced mounting apertures on opposite ends of said bridge.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-06-14 | 1985-12-14 | 1986-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-14 | 1989-12-14 | 1990-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-14 | 1993-12-14 | 1994-06-15 | $7700.00 | Window Closed / Lapsed |