Joints and connections – Articulated members – Lockable at fixed position
Patent
1981-03-20
1982-12-14
Shedd, Wayne L.
Joints and connections
Articulated members
Lockable at fixed position
84421, 403 97, F16C 1100, F16D 112, F16D 300
Patent
active
043635610
ABSTRACT:
This invention relates to a locking device applied to the supporting stand of percussion instruments, for example snare stand, tom-tom holder, cymbal stand, timbales stand and all kinds of joints of drum outfits, etc., which locking device allows the splaying angle of the two arms to be adjusted to any operable degree without the inconvenient constraint of the calibrating teeth, thereby largely simplifying the operating procedure and enhancing the practicality thereof.
REFERENCES:
patent: 640241 (1900-01-01), Tracy
patent: 2255262 (1941-09-01), MacFadden
patent: 2548650 (1951-04-01), Brandt
patent: 3945291 (1976-03-01), Zickos
patent: 4141272 (1979-02-01), Yanagisawa
patent: 4158981 (1979-06-01), Kurosaki
Kung Hsue She Educational Supplies Co., Ltd.
Shedd Wayne L.
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