Portable hands-free wash stand

• US 4,765,003 A
• Filed: 08/05/1987
• Issued: 08/23/1988
• Est. Priority Date: 08/05/1987
• Status: Expired due to Fees

• Current Assignee: Chang, Chen-Hsiung
• Original Assignee: Chang, Chen-Hsiung
• Inventors: Chang, Chen-Hsiung
• Primary Examiner(s): Recla, Henry J.
• Assistant Examiner(s): Peters, L. J.
• Application Number:
  US07/081,676
• Time in Patent Office: 384 Days
• Field of Search: 4/624, 4/625, 4/626, 4/619, 4/620, 4/622, 4/628, 4/631, 134/57 R
• US Class Current: 4/624
• CPC Class Codes: A47K 2210/00 Combinations of water taps, soap dispensers and hand dryers
• CPC Class Codes: E03C 1/052 Mechanical devices not being part of the tap, e.g. foot pedals
• CPC Class Codes: E03C 1/322 connected to the wall only

Abstract

A portable hands-free wash stand characterized by upper and lower foot pedals on its ladder-shaped bottom block for controlling water pump to pump up clean water to feed pipe for wash, and comprising a control switch for the selection of warm water and cool water, wherein waste water is collected in waste water storage tank; a low water level indicating lamp turns on when clean water of clean water storage tank been used up so as to advise people to move the present wash stand to a specific location for filling clean water and draining off waste water.

Claims

1. A portable hand-free wash stand, characterized by hand-free operation of the water supply and the hot air drying means for washing and drying hands through the operation of foot pedal controls comprising:

a housing having a side wall, bottom pedestal and top, said housing having a chamber therein that is divided into a supply water storage tank having top, sides and bottom walls, and a waste water collection tank having top, sides and bottom walls, said supply tank having a water inlet filling port and a water egress emptying port,

said supply tank having a water outlet conduit that enters the tank through the water egress emptying port for supplying water from inside the supply tank to outside said tank for use of washing ones hands, said water exhaust conduit connected to a water pump to pump up supply water from the storage tank, said pump connected to a feed pipe that extends substantially vertically upwards and perpendicular to the housing top, and also defining a spout extending downwardly therefrom to supply water from the supply tank for the purpose of washing one'"'"'s hands;

heating means for heating said water from said supply tank through said feed pipe, warm and cool water control switch means for controlling said heating means to vary the temperature of the supply water through the feed pipe, said supply tank having mounted therein water gauge means for indicating predetermined high and low water levels inside the tank, said housing sidewall having a side port adjacent the inlet filling port of said supply tank and connected thereto for allowing water to be supplied to the supply tank from the outside, said housing top defining a basin, the bottom of which terminates in an outlet, said waste water tank having an inlet port connected to said basin and an outlet waste water egress drain port in the side of the tank near the bottom to allow any water in the collection tank to drain out, said spout being directed into said basin, an electro-magnetic valve mounted in said drain port for opening and closing said drain port,

a drying, hot air heater for dyring one'"'"'s hands mounted on the top of the housing,

said pedestal having a stepped cross-section to enable a child to step up to more conveniently reach the spout of the feed pipe, said pedestal having rolling wheels fixed onto the underside thereof for mobility, and said pedestal having two pairs of foot pedals, an upper pair of pedals mounted on an upper step of said pedestal and a lower pair of foot pedals mounted on a lower step of said pedestal, means connected between one pedal of each pair to operate said pump, and between the other pedal of each pair to operate the hot air heater, a mirror having a mirror housing mounted on said housing, said warm and cool water control switch means being mounted on said mirror housing including indicating lamps for indicating whether the water heating means is on or off.