Shaft-structure for use in hydroponics plant cultivation receptacles
阅读：923发布：2022-12-01
专利汇可以提供Shaft-structure for use in hydroponics plant cultivation receptacles专利检索，专利查询，专利分析的服务。并且A shaft-structure for use in a hydroponics plant cultivation receptacle containing substrate material and nutrient liquid, having a hollow removable inset container to facilitate removal of when substrate material thrown in an unauthorized manner into the shaft-structure without necessitating emptying of the whole receptacle.，下面是Shaft-structure for use in hydroponics plant cultivation receptacles专利的具体信息内容。
1. Apparatus for hydroponics plant cultivation, comprising a hydroponics receptacle having side walls and a bottom wall attached thereto; a hollow, generally upright shaft disposed in said receptacle and extending upwardly from the bottom wall thereof, said shaft being open at its upper end and defining slots at its lower end for the passage of nutrient liquid; substrate material substantially filling the receptacle and abutting against said shaft; an elongated, hollow container removably disposed within said shaft and having a length generally equal to the length of said shaft, said container constructed so as to pass through the upper end of said shaft and having a bottom wall and an open upper end the peripheral portion of which conforms substantially with the inner dimensions of said shaft such that substrate material inadvertently placed in said shaft will fall into and be received by said container, said container having openings for the passage of liquid and retaining such inadvertently placed substrate material for subsequent removal by withdrawal of said container from said shaft whereby said shaft may be retained in said receptacle to obviate disruption of the contents thereof.
2. Apparatus as claimed in claim 1, further including a bottom plate extending outwardly from the lower portion of said shaft and underlying said substrate disposed on the floor of said receptacle, said hollow shaft being attached at its lower end to said plate and precluding inadvertent removal thereof from said substrate.
3. Apparatus as claimed in claim 2, wherein said bottom plate has an upstanding flange to which said hollow shaft is attached.
4. Apparatus as claimed in claim 1, wherein said hollow shaft is integrally formed with said receptacle.
5. Apparatus as claimed in claim 1, wherein said container tapers downwardly and inwardly towards the bottom wall of the receptacle.
6. Apparatus as claimed in claim 1, wherein the lower end of said container has a generally flat bottom surface adapted to be supported on the bottom of said receptacle.
7. Apparatus as claimed in claim 1, wherein said container has at its upper end an internal flange to be seized along the bottom edge of said flange by a finger for withdrawing said container from said hollow shaft.
8. Apparatus for use in a hydroponics plant cultivation receptacle containing substrate granules and nutrient liquid, comprising a hollow shaft open at its upper end and defining slots at its lower end for the passage of nutrient liquid, a generally flat bottom plate having a plurality of downwardly protruding support ribs and an upwardly protruding annular flange to which the bottom of said hollow shaft is attached, a hollow elongated container removably disposed within said shaft and having a length generally equal to the length of said shaft, said container constructed so as to pass through the upper end of said shaft and having an open upper end the peripheral portion of which conforms substantially with the inner dimensions of said shaft, said container tapering downwardly and inwardly with respect to said shaft and defining slots at its lower end for the passage of nutrient liquid, and an internal flange at the upper end of said container to facilitate removal of said container from said shaft.
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