Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1998-10-21
2000-07-11
Wu, Daniel J.
Communications: electrical
Condition responsive indicating system
Specific condition
340620, 340628, G08B 2100
Patent
active
060879467
ABSTRACT:
A Christmas tree stand includes a substantially bowl shaped base component having a bottom wall, a continuous side wall depending therefrom and an open top in communication with an interior chamber. A fixed plate is vertically disposed within the interior chamber against which a tree trunk is placed. A pair of pneumatic telescoping arms are secured to the base component and extend into the interior chamber each having an engagement plate at a distal end. The telescoping arms are actuated with a foot pump in communication therewith allowing a user to conveniently thrust the engagement plates against the opposing portion of the tree trunk to secure the tree therein. The device also includes a fire alarm means and a water level sensing means.
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Pham Toan
Tolar Kenneth L.
Wu Daniel J.
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