US5704091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel for a vacuum cleaner nozzle or for a vacuum cleaner
Assignee: Electrolux AB
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Filing: 1995-11-06
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Granted: 1998-01-06
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Expires: 2015-11-06
Abstract
Abstract A wheel for a vacuum cleaner nozzle or for a vacuum cleaner having a central part (10a, 10b) of comparatively hard material to which a tread is secured. The tread (14) is formed from a soft material having a low friction coefficient, such as a felt material.
Inventors
- 👤 Lars Gunnar Kilstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:26
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0028; A; A47; A47L; A47L9/00; A47L9/009; B60B33/0036; B60B33/0039; B60B5/00; B60B5/02; B60B2200/00; B60B2200/40; B60B2200/49; B60B2310/00; B60B2310/30; B60B2310/302; B60B2310/3025; B60B2310/305; B60B2310/318; B60B2360/00; B60B2360/30; B60B2360/32; B60B2360/322; B60B2360/324; B60B2360/34; B60B2360/344; B60B2900/00; B60B2900/20; B60B2900/212; B60B2900/50; B60B2900/551; B60B33/0047; B60B33/0049; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10279; Y10T152/10378
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
66 words
A wheel for a vacuum cleaner nozzle or for a vacuum cleaner, said wheel (10) comprising a central part (10a, 10b) of relatively hard material and a tread of relatively soft fiber material with a low friction coefficient, wherein the central part supports said tread (14) of fiber material and said fiber material is selected from the group of natural fiber material and synthetic fiber material.
Claim 2
Dependent Claim
66 words
A wheel for a vacuum cleaner nozzle or for a vacuum cleaner, said wheel (10) comprising a central part (10a, 10b) of relatively hard material and a tread of relatively soft fiber material with a low friction coefficient, wherein the central part supports said tread (14) of fiber material and said fiber material is selected from the group of natural fiber material and synthetic fiber material.
Claim 3
Dependent Claim
12 words
A wheel according to claim 1 wherein said fiber material is felted.
Claim 4
Dependent Claim
31 words
A wheel according to claim 1, wherein the central part includes first and second parts (10a, 10b) which are connected to each other and between which the tread (14) is clamped.
Claim 5
Dependent Claim
20 words
A wheel according to claim 3, wherein the first and second parts include hubs which are secured to one another.
Claim 6
Dependent Claim
35 words
A wheel according to claim 4, wherein the first and second parts include flanges that extend radially from the hubs, an annular groove being defined by a space between said flanges and receiving said tread.
Claim 7
Dependent Claim
12 words
A wheel according to claim 5, wherein said fiber material is felted.
Claim 8
Dependent Claim
12 words
A wheel according to claim 5, wherein said fiber material is woven.
Claim 9
Dependent Claim
16 words
A wheel according to claim 5, wherein said fiber material is held together by bonding agents.
Claim 10
Dependent Claim
13 words
A wheel according to claim 1, wherein said fiber material is a cloth.
Claim 11
Dependent Claim
12 words
A wheel according to claim 1, wherein said fiber material is woven.
Claim 12
Dependent Claim
16 words
A wheel according to claim 1, wherein said fiber material is held together by bonding agents.
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) | 2001-01-05 | 2001-07-07 | 2002-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-01-05 | 2005-07-07 | 2006-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-01-05 | 2009-07-07 | 2010-01-06 | $7700.00 | Window Closed / Lapsed |