Folding arm for a musical instrument stand

Details Folding arm for a musical instrument stand Folding arm for a musical instrument stand

2002-03-12

2003-09-23

Braun, Leslie A. (Department: 3632)

Supports

Brackets

Adjustable

C084S327000

Reexamination Certificate

active

06622981

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention is related to a musical instrument stand, and more particularly to an arm for the musical instrument stand that can be folded.
2. Description of Related Art
Referring to
FIG. 7
, a conventional musical instrument stand has a fixed arm (
51
) secured on a vertical column (
50
). The fixed arm (
51
) can not be adjusted according to desire of a user and so is not convenient.
Referring to
FIG. 8
, another conventional musical instrument stand has an adjustable arm (
70
) movably mounted on a vertical column (
60
). The adjustable arm (
70
) has a ring (
72
) provided on the column (
60
). A tube (
71
) extends from the ring (
72
). A screw (
73
) is threadingly mounted on the ring (
72
). When the screw (
73
) is tightened, the ring (
72
) is secured on the column (
60
). When the screw (
73
) is loosened, the ring (
72
) is movable along the column (
60
) for adjusting the height of the arm.
However, it is very inconvenient for a user to adjust the arm by loosening and tightening the screw (
73
), and it is found that the thread of the screw (
73
) wears such that clamping effect is unreliable.
Therefore, the invention provides an improved arm for an instrument stand to mitigate and/or obviate the aforementioned problems.
SUMMARY OF THE INVENTION
The main objective of the invention is to provide a folding arm for a musical instrument stand that is convenient to adjust by folding the arm.
Another objective of the invention is to provide a folding arm for a musical instrument stand that has a small size which is convenient for storing or transporting the stand.


REFERENCES:
patent: 1045583 (1912-11-01), Mills
patent: 4215838 (1980-08-01), Gullota
patent: 5454473 (1995-10-01), Hennessey
patent: 5726369 (1998-03-01), Gilday
patent: 5852250 (1998-12-01), Cha
patent: 5959225 (1999-09-01), Hsu
patent: 6127612 (2000-10-01), Yu
patent: 6209829 (2001-04-01), Yu
patent: 6323405 (2001-11-01), Yu
patent: 6439532 (2002-08-01), Yu
patent: 6513768 (2003-02-01), Hsieh
patent: 2002/0070319 (2002-06-01), Yu
patent: 2002/0124711 (2002-09-01), Wilfer

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