US4796505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tremolo arm adjustment mechanism in electric guitar
Assignee: Individual
•
Filing: 1987-11-20
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Granted: 1989-01-10
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Expires: 2007-11-20
Abstract
Abstract In a tremolo arm adjustment mechanism in an electric guitar, a tremolo unit is provided with a mounting hole for the tremolo arm penetrating through a body section and a block section in the vertical direction, a male screw portion threaded on base portion of the tremolo arm is threadedly engaged with the mounting hole from upper side in freely traveling state, a torque adjusting screw is threadedly engaged with the mounting hole from lower side in freely traveling state, and a spring is interposed between the torque adjusting screw and the male screw portion, thereby mounting height and rotational torque of the tremolo arm can be adjusted individually.
Inventors
- 👤 Toshitaka Takeuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:07
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/14; G10D3/147; G10D3/153
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
152 words
A tremolo arm adjustment mechanism in an electric guitar comprising a body section holding a bridge saddle thereon, a block section extending downward from the body section, said body section and said block section constituting a tremolo unit, said tremolo unit having front end portion pivotally installed to the body and being rotatable in the vertical direction, and a tremolo arm mounted on the tremolo unit, wherein said tremolo unit is provided with a mounting hole for the tremolo arm penetrating through the body section and the block section in the vertical direction, a male screw portion threaded on base portion of the tremolo arm is threadedly engaged with the mounting hole from upper side in freely traveling state, a torque adjusting screw is threadedly engaged with the mounting hole from lower side in freely traveling state, and a spring is interposed between the torque adjusting screw and the male screw portion.
Claim 2
Dependent Claim
152 words
A tremolo arm adjustment mechanism in an electric guitar comprising a body section holding a bridge saddle thereon, a block section extending downward from the body section, said body section and said block section constituting a tremolo unit, said tremolo unit having front end portion pivotally installed to the body and being rotatable in the vertical direction, and a tremolo arm mounted on the tremolo unit, wherein said tremolo unit is provided with a mounting hole for the tremolo arm penetrating through the body section and the block section in the vertical direction, a male screw portion threaded on base portion of the tremolo arm is threadedly engaged with the mounting hole from upper side in freely traveling state, a torque adjusting screw is threadedly engaged with the mounting hole from lower side in freely traveling state, and a spring is interposed between the torque adjusting screw and the male screw portion.
Claim 3
Dependent Claim
33 words
A tremolo arm adjustment mechanism in an electric guitar as set forth in claim 1, wherein a nut for screen is fixed to opening portion of the mounting hole for the tremolo arm.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-10 | 1992-07-11 | 1993-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-10 | 1996-07-11 | 1997-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-10 | 2000-07-11 | 2001-01-10 | $7700.00 | Window Closed / Lapsed |