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US 4,258,444 AGranted
Bath water level control system
AssigneeFriedrich Grohe Armaturenfabrik GmbH & Co.
InventorWilly Orszullok
Life of this patent
Estimating the term…
Abstract
A water level control system for use with bath tubs includes a capacitive proximity switch disposed external to one wall of the bath tub. The vertical position of the switch is adjustable. The switch generates a signal when the water level is approximately that of the switch. The signal is used to control a water supply solenoid and/or an alarm indication.
Claims4
A water level control system for a bath tub comprising:
- vertically adjustable detecting means disposed exterior to one wall of said tub for generating a signal when the water in said tub reaches a level at approximately the level of said detecting means;
- means for vertically positioning said detecting means, said positioning means including means for holding said detecting means and for translating movement of said level selecting means into a corresponding vertical movement of said detecting means, said holding means comprising a threaded spindle rotatably mounted adjacent said one wall of said tub and a nut supported on said spindle, said nut being nonrotatably connected to said detecting means;
- said bathtub including an overflow aperture and a cover rosette;
- said system further comprising:
- level selecting means comprising a knob movable on said rosette, gearing means coupling said knob to said spindle, means for mounting said spindle to permit rotational movement thereof;
- and
- means responsive to said generated signal for shutting off the inflowing water supply.
4 more elements
A water level control system for a bath tub comprising:
- vertically adjustable detecting means disposed exterior to one wall of said tub for generating a signal when the water in said tub reaches a level at approximately the level of said detecting means;
- means for vertically positioning said detecting means, said positioning means including means for holding said detecting means and for translating movement of said level selecting means into a corresponding vertical movement of said detecting means, said holding means comprising a threaded spindle rotatably mounted adjacent said one wall of said tub and a nut supported on said spindle, said nut being nonrotatably connected to said detecting means;
- said bathtub including an overflow aperture and a cover rosette;
- said system further comprising:
- level selecting means comprising a knob movable on said rosette, gearing means coupling said knob to said spindle, means for mounting said spindle to permit rotational movement thereof;
- and
- means responsive to said generated signal for producing an alarm indication.
4 more elements
Dependencies are inferred from the claim text.