US4955669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel bearing arrangement for suction cleaner
Assignee: Electrolux AB
•
Filing: 1989-05-03
•
Granted: 1990-09-11
•
Expires: 2009-05-03
Abstract
Abstract In a wheel bearing arrangement for a suction cleaner, the wheel (20) has on its inside a shaft (21) cooperating with bearing surfaces (12,14) in the suction cleaner housing (10) and a bottom portion (15) thereof, respectively. According to the invention, the housing (10) comprises a supporting wall (16) extending along the outside of the wheel and having a bearing member (17) cooperating with a pivot (22) provided on the outside of the wheel.
Inventors
- 👤 Jan T. Jankevics
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:06
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/006; B60B33/0063; A; A47; A47L; A47L9/00; A47L9/009; B60B33/0028; B60B5/00; B60B5/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
126 words
Wheel bearing arrangement for a suction cleaner, in which a wheel (20), having an inside and an outside, has a shaft (21) made integral therewith on its inside, the suction cleaner comprising a first housing portion (10) provided with a first bearing member (11) having a first bearing surface (12) enclosing half the circumference of the shaft, and a second housing portion (15) provided with a second bearing member (13) having a second bearing surface (14) enclosing the remaining half circumference of the shaft, wherein the wheel (20) has a pivot (22) on its outside and that the first housing portion (10) comprises a supporting wall (16) extending along the outside of the wheel and having a third bearing member (17) cooperating with said pivot (22).
Claim 2
Dependent Claim
126 words
Wheel bearing arrangement for a suction cleaner, in which a wheel (20), having an inside and an outside, has a shaft (21) made integral therewith on its inside, the suction cleaner comprising a first housing portion (10) provided with a first bearing member (11) having a first bearing surface (12) enclosing half the circumference of the shaft, and a second housing portion (15) provided with a second bearing member (13) having a second bearing surface (14) enclosing the remaining half circumference of the shaft, wherein the wheel (20) has a pivot (22) on its outside and that the first housing portion (10) comprises a supporting wall (16) extending along the outside of the wheel and having a third bearing member (17) cooperating with said pivot (22).
Claim 3
Dependent Claim
32 words
Wheel bearing arrangement according to claim 1, wherein an annular groove (23) is provided around the pivot (22) and that the third bearing member (17) comprises an arcuate flange engaging said groove.
Claim 4
Dependent Claim
33 words
Wheel bearing arrangement according to claim 2, wherein the supporting wall (16) is resilient in order to yield during mounting of the wheel (20) until the flange (17) snaps into the groove (23).
References Cited (Backward Citations)
US3813054A
Cited
CA939462A
Cited
US3977040A
Cited
DE3034457A1
Cited
US4509227A
Cited
US4546512A
Cited
US4530543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-09-10 | 1994-03-12 | 1994-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-10 | 1998-03-12 | 1998-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-10 | 2002-03-12 | 2002-09-11 | $7700.00 | Window Closed / Lapsed |