Vacuum cleaner nozzle

  • US 4,777,696 A
  • Filed: 07/17/1986
  • Issued: 10/18/1988
  • Est. Priority Date: 07/17/1986
  • Status: Expired due to Fees
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First Claim
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1. A vacuum cleaner nozzle which comprises a housing having a sole member and a top member defining a hollow chamber, said sole member presenting a surface on one side thereof to the floor to be cleaned and on the opposite side thereof to said chamber, a conduit for air flow attached to said top member and extending to said sole surface for communicating vacuum thereto, said sole member having at least one opening therethrough into said chamber, a plate disposed within said chamber, a brush on said plate disposed in alignment with said opening, means mounting said brush plate in said chamber for extendable and retractable movement of said brush through said opening in said sole member outwardly and inwardly from said floor side surface of said sole member, a slide disposed in said chamber and moveable in opposite directions transversely with respect to said brush plate, said slide having upper and lower sides, an adjusting member projecting from the upper side of said slide through said top member, a camming member projecting from the lower side of said slide, said brush plate having upper and lower sides respectively facing said lower side of said slide and said opposite side of said sole member, said brush plate having at least one leaf spring cantilevered from said lower side thereof and extending into engagement with said opposite side of said sole member, said brush plate having a cam follower member projecting upwardly from said upper side of said brush plate into engagement with said camming member on said slide for enabling said brush plate to be cammed downwardly against the bias of said cantilever spring to extend said brush when said slide is moved in one of said opposite directions and to permit said brush to retract when said slide is moved in the other of said opposite directions.

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