Plant husbandry – Receptacle for growing medium – Irrigator
Reexamination Certificate
1999-11-02
2001-08-21
Jordan, Charles T. (Department: 3644)
Plant husbandry
Receptacle for growing medium
Irrigator
Reexamination Certificate
active
06276090
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to flowerpots, and more particularly to such a flowerpot, which comprises a pot body, a soil carrier mounted in the pot body for growing plants, a water chamber defined within a transparent casing thereof around the pot body for keeping living fish, water animals and plants, and means to guide water from the water chamber to the inside of the pot body and to control the water level in the pot body.
When growing plants in flowerpots, the soil in the flowerpots must be regularly watered. However, the water content in the soil must be controlled within a suitable range, so as to not damage the plants.
FIG. 1
shows a flowerpot according to the prior art. This structure of flowerpot comprises a casing
1
, a pot body
2
mounted within the casing
1
to hold soil for growing plants, a water chamber H defined within the casing
1
around the pot body
2
for holding water, and a water absorbing member
3
embedded in the soil in the pot body
2
and extended through a bottom hole on the pot body
2
into the water chamber H for enabling the plants to absorb sufficient water from the soil. This structure of flowerpot is still not satisfactory in function. The drawbacks of this structure of flowerpot are numerous as outlined hereinafter:
1. Because the water-absorbing member
3
is embedded in the soil in the pot body
2
, the soil may be excessively wetted, causing the roots of the plants to be damaged.
2. The water-absorbing member
3
deteriorates with use quickly, thereby causing water unable to be delivered to the soil in the pot body sufficiently.
3. The pot body has not means for guiding outside air to the roots of the plants in the soil in the pot body.
SUMMARY OF THE INVENTION
The present invention has been accomplished under the circumstances in view. According to one aspect of the present invention, the flowerpot comprises a pot body mounted in a transparent casing, a water chamber defined within the casing outside the pot body for keeping living fish, water animals and plants, a soil carrier mounted in the pot body for holding soil for growing plants. According to another aspect of the present invention, a guide tube is mounted in the pot body below the soil carrier for guiding water from the water chamber to the inside of the pot body for wetting the soil. According to still another aspect of the present invention, air guide means is provided for guiding outside air into the pot body for the plants, and the soil carrier has air holes disposed in communication with the air guide means for the passing of air. According to still another aspect of the present invention, valve means is provided for automatically controlling the water level in the space in the pot body below the soil carrier. According to still another aspect of the present invention, an air hole is provided on the topside of the water chamber, and an air pump motor can be used to pump air into the water in the water chamber.
REFERENCES:
patent: 4148155 (1979-04-01), Allen
patent: 4265050 (1981-05-01), Buescher
patent: 4745707 (1988-05-01), Newby
patent: 4962613 (1990-10-01), Nalbandian
patent: 5097626 (1992-03-01), Mordoch
patent: 5272835 (1993-12-01), Stern
Jordan Charles T.
Palo Francis T.
Rosenberg , Klein & Lee
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