Cutting – Cutting motion of tool has component in direction of moving... – With work feed speed regulator
Patent
1987-01-29
1989-07-04
Franklin, Lawrence R.
Cutting
Cutting motion of tool has component in direction of moving...
With work feed speed regulator
84293, 84299, G10D 304
Patent
active
048439410
ABSTRACT:
Stringed instruments such as a guitar or the like that includes a head, a neck extending between the head and a body, tremolo apparatus having a base mounted on the body, a string mount pivotally mounted on the base, a handle assembly for selectively pivoting the string mount in a first direction from a datum position to increase the tension in the strings and alternately in a second direction from the datum position to decrease the tension in the strings, a stop member to limit the pivotal movement of the string mount in the second direction to the datum position when no manual force is being applied to the handle assembly while permitting the handle assembly being manually pivoted in the second direction from the datum position, spring mechanism constantly resiliently urging the stop member into abutting relationship with the base, skate mechanism mounted on the base for selectively adjusting the height of the strings, and truss mechanism mounted by the neck to counterbalance the pull of the strings that includes an elongated double channel mounted by the neck and two truss rods mounted by the channel for imparting bending and twisting forces to the channel.
REFERENCES:
patent: 3248991 (1966-05-01), Cole
patent: 4248126 (1981-02-01), Lieber
patent: 4385543 (1983-05-01), Shaw et al.
patent: 4430919 (1984-02-01), Matsui
patent: 4457201 (1984-07-01), Storey
Nichols Joseph C.
Orr Charles D.
Franklin Lawrence R.
Johnson Clayton R.
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