Textiles: ironing or smoothing – Smoothing implements – Flatirons
Patent
1996-02-06
1997-04-22
Izaguirre, Ismael
Textiles: ironing or smoothing
Smoothing implements
Flatirons
D06F 7518
Patent
active
056219881
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention concerns a steam iron comprising a casing in which there is mounted removably a water reservoir which comprises means for locking the reservoir in the casing, a filling orifice formed in its top part, and a water outlet orifice which is formed in its bottom part, a distribution chamber in which a drip feed device is mounted and the opening of which is intended to communicate with the water outlet orifice through a pipe, two valves being fitted respectively to the opening in the distribution chamber and the water outlet orifice, and two reciprocal means for actuating the said valves suitable for opening the said valves when the reservoir is locked in the casing.
In steam irons of known types, when the removable water reservoir is taken out, the valves used must completely close off the opening in the distribution chamber and the water outlet orifice in the reservoir in order to avoid any watertightness problem, but the valves do not by themselves ensure perfect watertightness and generally necessitate the use of sealing joints. In addition, when the removable reservoir is put in position, the watertightness must be perfect in order to prevent any leakage detrimental to the ironing conditions. Spring-operated valves, opening automatically when the reservoir is in place and closing when the reservoir is taken out, are generally used, but these valves deteriorate in use, no longer completely fulfilling their sealing function. All the existing solutions require many parts and are difficult to implement, particularly with regard to assembly. These solutions also have the disadvantage of increasing the cost price of the iron.
SUMMARY OF THE INVENTION
The aim of the invention is to remedy the above-mentioned drawbacks by using a connection between the distribution chamber and the removable reservoir which is both simple and economical in design and which ensures complete watertightness when the removable reservoir is taken out of the iron or when the reservoir is put in position.
According to the invention, one of the valves has a movable shutter and a fixed seat, the other valve has a fixed shutter and a movable seat, and the two reciprocal actuating means are adapted for coming into engagement, when the reservoir is locked in the casing, on the one hand with the movable shutter and on the other hand with the movable seat.
According to another characteristic of the invention, the valve with the fixed shutter and movable seat comprises a sleeve mounted so as to be movable and having an annular shoulder forming the movable seat for the fixed shutter and able to occupy two positions in which either the sleeve occupies a first position in which the reservoir is disconnected from the casing and the movable seat is in contact with the fixed shutter to form a watertight joint, or the sleeve occupies a second position in which the reservoir is fixed by the locking means and the fixed shutter opens the movable shutter so that the water in the reservoir flows freely into the distribution chamber.
By virtue of the invention, the number of parts used to provide on the one hand the watertightness and on the other hand the connection between the distribution chamber and the removable reservoir, is reduced to one only, which on the one hand simplifies the assembly and manufacture of the iron and on the other hand reduces the cost price of the said iron.
BRIEF DESCRIPTION OF THE DRAWINGS
The characteristics and advantages of the invention will moreover emerge from the following description, given by way of non-limitative example, with reference to the accompanying drawings in which:
FIG. 1 is a partial view in cross section of a steam iron according to the invention;
FIG. 2 is a cut-away view of the enlarged lower part of the steam iron according to the invention, in which the removable reservoir is not fully in position in the casing of the iron;
FIG. 3 is a cut-away view of the enlarged lower part of the iron according to the invention, in which the removable reservoir is locked in t
REFERENCES:
patent: 4578884 (1986-04-01), Nakao
patent: 5398434 (1995-03-01), Biancalani
Bouleau Jean-Paul A. A.
Guillot Gerard L. H.
Izaguirre Ismael
Moulinex
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