Patent US4443910A successfully refreshed from Google Patents.
US4443910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Above-the-floor adaptor for upright vacuum cleaner
Assignee: Philips North America LLC
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Filing: 1982-06-29
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Granted: 1984-04-24
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Expires: 2002-06-29
Abstract
Abstract A vacuum cleaner for selective conversion between on-the-floor and above-the-floor cleaning. The basic upright vacuum cleaner includes a joint with a through passageway connecting the handle to the floor nozzle and through which the suction air passes. The joint includes a wall with a selectively openable passageway into which an adaptor, coupled to a hose, may be selectively inserted. Insertion of the adaptor cuts off the suction path to the floor nozzle and creates a suction path through the adaptor and associated hose to a wand and cleaning tool.
Inventors
- 👤 Edwin Fitzwater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:31
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/32
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
199 words
A convertible upright vacuum cleaner which comprises a floor nozzle structure, a handle section with a suction motor and a filter bag, a swivel joint section coupling said handle section and nozzle structure, said swivel joint section being attached to and extending longitudinally from the lower end of said handle section, said swivel joint section having a first passageway for passing air and entrained dirt picked up from said nozzle, said first passageway extending in the longitudinal direction through said swivel joint section, a second passageway in said swivel joint section extending transversely to said first passageway, into said first passageway and intersecting said first passageway, said second passgeway and said first passageway where intersected by said second passageway being rectilinear in cross-section, an adaptor providing a connection to a cleaning wand at one end and having a section of rectilinear cross-section at the opposite end, the forward portion of said adaptor proximate to the opposite end thereof having a "U" shape closed at its base and sides and open at its top to close said first passageway at its base and provide a path for air and dirt from said wand through said adaptor into said handle section.
Claim 2
Dependent Claim
199 words
A convertible upright vacuum cleaner which comprises a floor nozzle structure, a handle section with a suction motor and a filter bag, a swivel joint section coupling said handle section and nozzle structure, said swivel joint section being attached to and extending longitudinally from the lower end of said handle section, said swivel joint section having a first passageway for passing air and entrained dirt picked up from said nozzle, said first passageway extending in the longitudinal direction through said swivel joint section, a second passageway in said swivel joint section extending transversely to said first passageway, into said first passageway and intersecting said first passageway, said second passgeway and said first passageway where intersected by said second passageway being rectilinear in cross-section, an adaptor providing a connection to a cleaning wand at one end and having a section of rectilinear cross-section at the opposite end, the forward portion of said adaptor proximate to the opposite end thereof having a "U" shape closed at its base and sides and open at its top to close said first passageway at its base and provide a path for air and dirt from said wand through said adaptor into said handle section.
Claim 3
Dependent Claim
40 words
The convertible vacuum cleaner as set forth in claim 1, wherein said second passageway defines an opening into one side of said swivel joint section which is normally closed when said vacuum cleaner is used as an upright vacuum cleaner.
Claim 4
Dependent Claim
20 words
The convertible vacuum cleaner as set forth in claim 2 wherein said opening is maintained closed by a moveable door.
Claim 5
Dependent Claim
22 words
The convertible vacuum cleaner as set forth in claim 3 wherein said door is pivotally mounted to the wall of said joint.
Claim 6
Dependent Claim
27 words
The convertible vacuum cleaner as set forth in claim 4 wherein said opening may be maintained closed by a cooperating latch between said door and said joint.
Claim 7
Dependent Claim
29 words
The convertible vacuum cleaner as set forth in claim 1 wherein said adaptor and said joint include latching means for latching said joint and said adaptor in cooperative relationship.
Claim 8
Dependent Claim
49 words
The convertible vacuum cleaner as set forth in claim 6 wherein said opening is maintained closed by a moveable door having a rectilinear cross-sectional area depending from a rectilinear surrounding flange, which cross-sectional area enters said second passageway when said adaptor is not in cooperative relationship with said joint.
Claim 9
Dependent Claim
20 words
The combination as set forth in claim 7 wherein said door is pivotally mounted to the wall of said joint.
Claim 10
Dependent Claim
25 words
The combination as set forth in claim 8 wherein said opening may be maintained closed by a cooperating latch between said door and said joint.
Claim 11
Dependent Claim
26 words
The combination as set forth in claim 9 wherein said latching means includes at least part of said cooperating latch between said door and said joint.
Claim 12
Dependent Claim
41 words
The onvertible vacuum cleaner according to claim 1 wherein said joint is disposed at an end of said handle section, said intersecting portions of said passageways in said swivel joint section being disposed between said swivel joint and said suction motor.
Claim 13
Dependent Claim
45 words
The convertible vacuum cleaner according to claim 11 wherein the intersecting portions of said first and second passageways at the end thereof adjacent to said swivel joint whereon said adaptor base is received defines a ledge on which the forward edge of said base rests.
Claim 14
Dependent Claim
50 words
The convertible vacuum cleaner according to claim 11 wherein said first passageway is circular in cross-section at least on the side of said intersection portions of said first and second passageways closest to said suction motor, the transition between said rectilinear and circular cross-sections being of substantially the same area.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-24 | 1987-10-24 | 1988-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-24 | 1991-10-24 | 1992-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-24 | 1995-10-24 | 1996-04-24 | $7700.00 | Window Closed / Lapsed |