| 摘要 |
<p>A BIFURCATED FOAM PUMP ASSEMBLY FOR USE IN FOAM DISPENSERS. A LIQUID DISPENSING PORTION (16) OF THE FOAM PUMP ASSEMBLY IS ATTACHED TO AND DISPOSABLE/REPLACEABLE WITH A LIQUID CARTRIDGE (14) FOR THE DISPENSER. THE AIR COMPRESSOR OR AIR PUMP PORTION (18) OF THE FOAM PUMP ASSEMBLY COMPRISES A PORTION OF THE DISPENSER ITSELF AND IS ATTACHED TO THE DISPENSER HOUSING (12). UPON REPLACEMENT OF A CARTRIDGE, THE TWO PORTIONS MATE AND ARE OPERATIVE AS A FOAM PUMP GENERATOR. THE LIQUID PORTION OF THE FOAM PUMP IS RECEIVED WITHIN A LIQUID CHAMBER (58) BY GRAVITY, AND IS SUBSEQUENTLY DRIVEN FROM THAT CHAMBER BY AIR FROM THE AIR COMPRESSOR (18), WHICH DRIVES BOTH THE AIR AND LIQUID THROUGH A FOAM GENERATING MEMBER (72), SUCH AS A SPONGE OR MESH. THIS FOAM GENERATING MEMBER (72)IS A PART OF THE LIQUID PORTION OF THE PUMP, AND IS REPLACED WITH THE CARTRIDGE (14).</p> |
