Plant husbandry – Receptacle for growing medium – Hanging support
Patent
1985-07-26
1987-04-21
Hafer, Robert A.
Plant husbandry
Receptacle for growing medium
Hanging support
47 66, A01G 902
Patent
active
046585400
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a hanging plant pot, especially for flowers, consisting of a vessel having at the top thereof an encircling edge flange which is provided with anchoring openings for a releasable hooking of the vessel to suspension means, e.g. bars, chains or straps.
The suspension means are usually assembled at the upper end thereof, e.g. in a hook which again is placed on a stationary hook, e.g. in a ceiling. This means that the suspension means affect the vessel of the plant pot with an oblique suspension tension tending to load the edge flange around the anchoring openings to such a degree that it is distorted. This especially occurs in cases where the vessel is made of a flexible plastic material.
The object of the invention consists in stating how this disadvantage is avoided.
According to the invention this is obtained in that the openings have an oblong shape with the maximum dimension oriented substantially radially relative to the vessel axis, that at the end to be entered in the openings the suspension means comprise a shaft member, the free end of which is provided with a pair of shoulders projecting laterally in opposite directions from said shaft and, measured transversely to the shaft, having an extension which is larger than the smallest internal cross-section of the opening but at the utmost as large as the largest internal cross-section of the opening, that at a portion remote from the free end of the shaft and in continuation of the shoulders said shaft comprises abutment surfaces extending transversely to the shoulders, said abutment surfaces defining a transverse measurement of the portion substantially corresponding to the smallest internal cross-section of the opening, that remoter from the free end of the shaft said shaft comprises a portion having a cross-sectional area which does not exceed the smallest internal cross-section of the opening, and that along the long sides of the opening at the bottom of the flange, guide surfaces are provided which are adapted to co-operate with the shoulders and extending upwards obliquely towards the central axis of the vessel.
When the suspension means are to be placed, the shaft portion having the shoulders oriented in the longitudinal direction of the opening is introduced through the opening until the portion of the shaft situated remotest from the free end of said shaft is in the opening. In consequence of the diameter of this portion it will then be possible to rotate the shaft portion in the opening so that the shoulders extend transversely to the length of the anchoring openings. The suspension means thereafter are somewhat withdrawn, i.e. drawn upwards, this resulting in the shoulder being carried upward towards the opening so that the shoulder surfaces are allowed to abut against the edge portions of the flange defining the long sides of the anchoring opening. At the same time, the abutment surfaces of the shaft portion situated nearest to the shoulders are entered in the opening where, in consequence of the above mentioned dimensions, the shaft is then retained against rotation. During said drawing upward the shoulders are moreover guided by said guiding surfaces in the direction towards the inner edge of the edge flange where the flange terminates in the side wall of the vessel, so that a considerable portion of the appearing tension will be transferred to the area around the upper end of the side wall, thereby permitting the flange to be relieved from bending forces.
According to the invention the guiding surfaces may be formed by ribs extending along the long side edges of the opening. The ribs are then allowed to contribute to retaining the shaft portion against rotation and at the same time, since they are extending in the width of the flange, the ribs co-operate to stiffen the flange in the area of suspension.
The invention will be further described in the following with reference to the drawing, in which
FIG. 1 is a schematic view of a hanging plant pot according to the invention in suspended position,
FIG. 2 an
REFERENCES:
patent: 3943661 (1976-03-01), DeVito et al.
patent: 3981099 (1976-09-01), Dziewulski
patent: 4138803 (1979-02-01), Sherlock
Hafer Robert A.
Lewis Bradley M.
OS Plastic A/S
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