×

Vacuum cleaner

  • US 4,250,592 A
  • Filed: 09/07/1979
  • Issued: 02/17/1981
  • Est. Priority Date: 09/07/1979
  • Status: Expired due to Term
First Claim
Patent Images

1. A floor covering vacuuming and cleaning apparatus comprising:

  • a housing defining a cavity with a transverse opening juxtapositioned to said floor covering, said cavity having inlet and outlet conduits connected thereto, said outlet conduit having a lower pressure than said inlet conduit,a rotatable generally cylindrical beating means mounted between opposite end wall portions of said housing, said beating means protruding from said opening for contacting said floor covering, said beating means includes a plurality of transverse alternate rows of arcuate finger like straps and broom-like wipers for striking the surface to be cleaned,a power means connected to said rotatable beating means for moving said beating means about a generally horizontal axis,a dirt collecting means partially filled with liquid, said collecting means having an inlet conduit connected to said housing outlet conduit and an outlet conduit connected to a low pressure suction of said pressure producing means, a higher pressure discharge of said pressure producing means connected to said housing inlet conduit,a cleaning solution holding means mounted in connectable contact with said housing inlet conduit for storing a cleaning solution to be foamed and used on said floor covering, directing said foam through said inlet conduit into said housing for removal of surface dirt, anda cleaning solution dispensing and foaming means fluidly connected to said cleaning solution holding means for discharging cleaning solution into said housing inlet conduit for foaming for discharge of foam upon said floor covering to be cleaned.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×