Hose coupling arrangement for pneumatically actuated floor care appliances

Claim 2

A suction cleaner appliance having an on-off switch that is fluid actuated and a hose coupling arrangement therefor, the combination including; a. a first coupling structure mounted with said floor care appliance, b. a second coupling structure directly couplable with said first coupling structure, c. integral, discrete passageway means in each of said first and second coupling structures for the passage of fluid for said fluid actuation, said discrete passageway means in said first and second coupling structures in direct communication with one another when said first and second coupling structures are coupled, and d. said hose coupling arrangement including another directly connected passageway means, when said first and second coupling structures are coupled, for the passage of cleaner suction air.

Claim 3

The suction cleaner appliance and hose coupling arrangement of claim 1 wherein; a. each of said passageway means for the passage of actuating fluid extends axially through the peripheral wall of its respective coupling structure, b. one of said passageway means for the passage of actuating fluid in one of said first and second coupling structures includes a transversely extending grooved portion, c. said first and second coupling structures being in general abutting engagement when in coupled condition, and d. said transversely extending grooved portion situated adjacent said abutting engagement to insure direct fluid communication between said fluid passageway means for the passage of actuating fluid in said first and second coupling structures.

Claim 4

The suction cleaner and hose coupling arrangement of claim 1 wherein; a. each of said passageway means for the passage of actuating fluid extends axially through the peripheral wall of its respective coupling structure, b. bayonet means are provided for coupling said first and second coupling structures together, said first and second coupling structures being tubular, and c. said bayonet means include alignment means for orienting said passageway means in each of said first and second coupling structures so that direct communication is had for the passage of fluid for said fluidic actuation.

Claim 5

A hose and hose coupling arrangement for use with a floor care appliance including; a. a first tubular coupling part mounted with the housing for said floor care appliance and extending outwardly therefrom, b. a second tubular coupling part carrying said hose and coupled with said first tubular coupling part, c. a third tubular coupling part also mounted with said housing for said floor care appliance, adjacent said first tubular coupling part, and extending outwardly from said housing beyond the outward extent of said first tubular coupling part, d. bayonet connection means on said third tubular coupling part aNd said second tubular coupling part for coupling said second tubular coupling part in abutting engagement with said first tubular coupling part, e. said second tubular coupling part including means for receiving said hose for said floor care appliance and means for receiving a flexible tubing of relatively smaller diameter than said hose, said hose being in fluid-tight relationship with said second tubular coupling part and said flexible tubing being in fluid-tight relationship with said second tubular coupling part, f. flows through said hose and said tubing being maintained discrete and separate in said second tubular coupling part, g. said first tubular coupling part having means for receiving and maintaining both of said flows discrete and separate for separate communication to said floor care appliance, and h. segmental annular groove means provided in one of said first and second coupling parts adjacent said abutting engagement for accommodating misalignment therebetween to insure flow from said tubing being communicated to said floor care appliance.

Claim 6

A hose and hose coupling arrangement for use with a floor care appliance including; a. a first tubular coupling part mounted with the housing for said floor care appliance and extending outwardly therefrom, b. a second tubular coupling part carrying said hose and coupled with said first tubular coupling part, c. a third tubular coupling part also mounted with said housing for said floor care appliance, adjacent said first tubular coupling part, and extending outwardly from said housing beyond the outward extent of said first tubular coupling part, d. bayonet connection means on said third tubular coupling part aNd said second tubular coupling part for coupling said second tubular coupling part in abutting engagement with said first tubular coupling part, e. said second tubular coupling part including means for receiving said hose for said floor care appliance and means for receiving a flexible tubing of relatively smaller diameter than said hose, said hose being in fluid-tight relationship with said second tubular coupling part and said flexible tubing being in fluid-tight relationship with said second tubular coupling part, f. flows through said hose and said tubing being maintained discrete and separate in said second tubular coupling part, g. said first tubular coupling part having means for receiving and maintaining both of said flows discrete and separate for separate communication to said floor care appliance, and h. segmental annular groove means provided in one of said first and second coupling parts adjacent said abutting engagement for accommodating misalignment therebetween to insure flow from said tubing being communicated to said floor care appliance.

Claim 7

A hose and hose coupling arrangement for use with a floor care appliance including; a. a first tubular coupling part mounted with said floor care appliance, b. a second tubular coupling part carrying said hose and coupled with said first tubular coupling part, c. said first and second tubular coupling parts including a first passageway means for the passage of a suction air flow for said floor care appliance and a second passageway means for the passage of fluid pulses, d. said hose carrying a flexible tubing of relatively smaller size, relative to the size of said hose, for the transmission of fluid pulses therethrough, said hose providing for the transmission of a suction air flow for said floor care appliance, e. said second passageway means includes a rigid tube disposed in said second tubular coupling part and having at least one end in fluid-tight relationship therewith, and f. said flexible tubing being in sealing engagement with said rigid tube to connect said flexible tubing to said second tubular coupling part for fluid communication therebetween.

Claim 8

A hose and hose coupling arrangement for use with a floor care appliance including; a. a first tubular coupling part mounted with said floor care appliance, b. a second tubular coupling part carrying said hose and coupled with said first tubular coupling part, c. said first and second tubular coupling parts including a first passageway means for the passage of a suction air flow for said floor care appliance and a second passageway means for the passage of fluid pulses, d. said hose carrying a flexible tubing of relatively smaller size, relative to the size of said hose, for the transmission of fluid pulses therethrough, said hose providing for the transmission of a suction air flow for said floor care appliance, e. said second passageway means includes a rigid tube disposed in said second tubular coupling part and having at least one end in fluid-tight relationship therewith, and f. said flexible tubing being in sealing engagement with said rigid tube to connect said flexible tubing to said second tubular coupling part for fluid communication therebetween.