×

Vacuum cleaner nozzle

  • US 3,952,363 A
  • Filed: 11/04/1974
  • Issued: 04/27/1976
  • Est. Priority Date: 11/08/1973
  • Status: Expired due to Term
First Claim
Patent Images

1. A vacuum cleaner nozzle provided with a spring-urged brush that is movable from a first position in engagement with the surface to be cleaned to a second position out of engagement with said surface to be cleaned and vice-versa comprising;

  • a housing, means at the bottom of said housing for confining said brush in said housing but permitting limited movement therein, a cam device including spaced, pivotable roller members, a bracket interconnecting said roller members, said brush including a plate provided with brush bristles, the upper surface of said plate being provided with spaced, shaped shoulder elements that are each adapted to be engaged by a corresponding roller member, said shoulder elements being part of said cam device, linking means joining each roller to said nozzle, the linking means of one of said rollers having an arm provided with a first foot actuated operating means for moving said roller members on said shaped shoulders whereby said brush is moved to a selected position in which a portion thereof projects outside of said housing, and a second foot actuated operating means accessible from the outside of said housing acting upon an inner part of the linking means for moving said roller members on said shaped shoulders whereby said brush is moved to another position located within the interior of said housing.

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