CPC A47L 5/30 (2013.01) [A47L 9/009 (2013.01); A47L 9/0411 (2013.01); A47L 9/0466 (2013.01); A47L 9/242 (2013.01); A47L 9/248 (2013.01); A47L 9/26 (2013.01); A47L 9/2857 (2013.01); A47L 9/2868 (2013.01); A47L 9/30 (2013.01); A47L 9/325 (2013.01); A47L 2201/04 (2013.01)] | 12 Claims |
1. A vacuum unit comprising:
a) a housing;
b) a first chamber in said housing having a first suction source therein for removing air from an adjacent debris collection chamber;
c) a second chamber in said housing separated from said first chamber and from said debris collection chamber, said second chamber having a second suction source therein for removing air from an adjacent third chamber in said housing, said third chamber being separated from said first chamber and from said debris collection chamber;
d) a port in said third chamber for communication between an interior and exterior of said third chamber;
e) an elongated vacuum hose provided in said third chamber wherein a first end of said hose extends through a sealed coupling into said debris collection chamber and is sealingly attached to a side or bottom of a debris collection bag, such that suction from said first suction source is transmitted through said bag to said hose, said hose being movably extendable through said port;
f) an opening between said third chamber and said second chamber such that suction from said second chamber is transmitted into said third chamber for retracting said hose into said third chamber;
g) a deflector attached inside said third chamber adjacent to said port for deflecting said hose into said third chamber during retraction; and
h) at least one switch at an opposite end of said hose for electronically controlling said first and second suction sources.
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