Supports – Staff type – Stand or base
Patent
1988-09-02
1990-01-23
Chin-Shue, Alvin C.
Supports
Staff type
Stand or base
F16M 1300
Patent
active
048953393
ABSTRACT:
It is a detachable swivelling structure, which is particular a swivelling structure for mounting a swivelling Christmas tree. The swivelling structure comprises a round base, four supporting legs to be assembled at a perpendicular angle one another or disassembled, a lid, and a turning base. After the four supporting legs being assembled together, they are mounted under the round base so as to have a larger base to hold the swivelling tree in a stable manner.
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patent: 3042350 (1962-07-01), Lencioni
Ven-Chung Chu
Yang Chen
Chin-Shue Alvin C.
Olson Robert A.
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