Music – Instruments – Stringed
Reexamination Certificate
2001-09-14
2003-05-13
Lockett, Kim (Department: 2837)
Music
Instruments
Stringed
C084S421000
Reexamination Certificate
active
06563035
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a folding frame for supporting a musical instrument and, more particularly, to a folding frame which is easy to be adjusted.
2. Description of Related Art
There are various kinds of musical instruments. Some of them, such as a portable electronic organ and probably an electric guitar, are supported on frames while being played. As shown in
FIGS. 4 and 5
, one known frame, in folding configuration for this purpose, includes a pair of legs (
80
,
90
) pivotally connected to each other about a pivot (
89
), with the first leg (
80
) formed with a disk (
82
) defining a plurality of holes (
84
) therein.
As shown in
FIG. 5
, the second leg (
90
) is formed with a spring-loaded pin (
92
) that tends to be moved into one of the holes (
84
) in the disk (
82
), under the action of a helical spring (
94
). Additionally, a knob (
922
) is attached to an end (
920
) of the pin (
92
) opposed to the disk (
82
).
This folding frame is adjusted by moving the pin (
92
) out of the hole (
84
) in the disk (
82
) by pulling the knob (
922
). Then the legs (
80
,
90
) can be turned with respect to each other to a desired position, in which the pin (
92
) may be moved into another hole (
84
) soon after the knob (
922
) is released.
However, it has been found that the folding frame of this type is difficult to be adjusted, since a third hand is usually required to pull the knob (
922
) in addition to the two hands that grip and turn the legs (
80
,
90
), respectively.
Therefore, it is an objective of the invention to provide a folding frame to mitigate and/or obviate the aforementioned problem.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a folding frame which is easy to be adjusted.
REFERENCES:
patent: 5375497 (1994-12-01), Pirchio et al.
patent: 5505413 (1996-04-01), Hennessey
patent: 6326531 (2001-12-01), Bremner
Kamrath Alan D.
Lockett Kim
Rider Bennett Egan & Arundel
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