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1. A single-control thermostatic cartridge, comprising:
a body, which defines an axis and which is comprised of a chamber configured for mixing a cold fluid and a hot fluid, in which a cold fluid intake for the cold fluid and a hot fluid intake for the hot fluid emerge, and which is configured to supply an outlet for a mixture of the cold and hot fluids; a controller configured to control both a flow rate of the cold fluid sent to the cold fluid intake and a flow rate of the hot fluid sent to the hot fluid intake; a slide valve configured to regulate a temperature of the mixture, which is configured to be movable substantially along the axis inside the chamber so as to inversely vary a flow section of the cold fluid intake and a flow section of the hot fluid intake; a thermostat, which is configured to be at least partially positioned in the chamber, while being configured to be substantially centered on the axis, and which is configured to be connected to the slide valve so as to be configured to control a position of the slide valve along the axis; a handle configured to control the flow rate and the temperature of the mixture, which is configured to be single and mounted movably relative to the body so as to be configured both to actuate the controller by driving and moving the thermostat along the axis inside the chamber, the handle being configured to be connected to the thermostat by: a control nut configured to rotate around the axis relative to the body and which is configured to be connected in rotation around the axis to the handle, a control screw configured to be screwed inside the control nut and which is configured to be connected in rotation around the axis of the body, and a control rod, which is configured to be substantially centered on the axis, against a first axial end of which the thermostat is configured to be axially pressed, and whereof a second axial end, opposite the first end, is configured to axially bear against the control screw with an interposition of an overtravel spring; and a fine adjustment mechanism which is configured to connect the second end of the control rod to the control screw, against which the overtravel spring is configured to bear axially, and which is configured to be suitable so as, while the handle is configured to be fixed in rotation around the axis relative to the body, to modify the position of the control rod along the axis relative to the control screw so as to be configured to adjust the position of the thermostat along the axis, without being configured to modify the position of the overtravel spring relative to the body. |
