Patent US5016316A successfully refreshed from Google Patents.
US5016316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fan cover and sealing arrangement
Assignee: Techtronic Floor Care Technology Ltd
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Filing: 1989-12-22
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Granted: 1991-05-21
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Expires: 2009-12-22
Abstract
Abstract A sealed motor-fan system for a cleaner is disclosed in which a two piece gasketed housing is disposed around the motor-fan system to seal it. The two piece housing forms a joint in assembled condition and the gasket is disposed in this joint.
Inventors
- 👤 Gregg A. McAllise
- 👤 Dean H. Buchtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:19
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/22
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
137 words
A housing arrangement for a motor-fan system in a cleaner shell including; (a) a partial housing having vertically upstanding walls and positioned in said cleaner shell, (b) a supplementary housing disposed over said partial housing, and having generally vertically extending walls, (c) a motor-fan system mounted on said partial housing and positioned between it and said supplementary housing, (d) a gasket extending along and between said vertical walls to provide at least partial sealing for said motor-fan system, (e) a resilient sealing ring disposed around said motor-fan system, (f) said resilient sealing ring received between said partial housing and said supplementary housing and said motor-fan system in sealing relation, and (g) said gasket extending between said walls of said partial housing and said supplementary housing to said resilient sealing ring to aid in sealing said motor-fan system.
Claim 2
Dependent Claim
137 words
A housing arrangement for a motor-fan system in a cleaner shell including; (a) a partial housing having vertically upstanding walls and positioned in said cleaner shell, (b) a supplementary housing disposed over said partial housing, and having generally vertically extending walls, (c) a motor-fan system mounted on said partial housing and positioned between it and said supplementary housing, (d) a gasket extending along and between said vertical walls to provide at least partial sealing for said motor-fan system, (e) a resilient sealing ring disposed around said motor-fan system, (f) said resilient sealing ring received between said partial housing and said supplementary housing and said motor-fan system in sealing relation, and (g) said gasket extending between said walls of said partial housing and said supplementary housing to said resilient sealing ring to aid in sealing said motor-fan system.
Claim 3
Dependent Claim
112 words
A housing arrangement for a motor-fan system in a cleaner shell including; (a) a partial housing having vertically upstanding walls and positioned in said cleaner shell, (b) a supplementary housing disposed over said partial housing, and having generally vertically extending walls, (c) a motor-fan system mounted on said partial housing and positioned between it and said supplementary housing, (d) a gasket extending along and between said vertical walls to provide at least partial sealing for said motor-fan system, (e) said cleaner shell including a bag compartment, (f) a partition disposed between said bag compartment and said motor-fan, and (g) said gasket abuttingly providing a seal between said supplementary housing and said partition.
Claim 4
Dependent Claim
112 words
A housing arrangement for a motor-fan system in a cleaner shell including; (a) a partial housing having vertically upstanding walls and positioned in said cleaner shell, (b) a supplementary housing disposed over said partial housing, and having generally vertically extending walls, (c) a motor-fan system mounted on said partial housing and positioned between it and said supplementary housing, (d) a gasket extending along and between said vertical walls to provide at least partial sealing for said motor-fan system, (e) said cleaner shell including a bag compartment, (f) a partition disposed between said bag compartment and said motor-fan, and (g) said gasket abuttingly providing a seal between said supplementary housing and said partition.
Claim 5
Dependent Claim
131 words
A housing arrangement for a motor-fan system in a cleaner shell including; (a) a partial housing having vertically upstanding walls and positioned in said cleaner shell, (b) a supplementary housing disposed over said partial housing, and having generally vertically extending walls, (c) a motor-fan system mounted on said partial housing and positioned between it and said supplementary housing, (d) a gasket extending along and between said vertical walls to provide at least partial sealing for said motor-fan system, (e) said housing arrangement being enlarged at the fan section of said motor-fan system as compared to the motor section, (f) said gasket extending between said housings at said fan section, and (g) said gasket extending inwardly relative to an axis of the fan section of the motor-fan system towards said motor section.
Claim 6
Dependent Claim
131 words
A housing arrangement for a motor-fan system in a cleaner shell including; (a) a partial housing having vertically upstanding walls and positioned in said cleaner shell, (b) a supplementary housing disposed over said partial housing, and having generally vertically extending walls, (c) a motor-fan system mounted on said partial housing and positioned between it and said supplementary housing, (d) a gasket extending along and between said vertical walls to provide at least partial sealing for said motor-fan system, (e) said housing arrangement being enlarged at the fan section of said motor-fan system as compared to the motor section, (f) said gasket extending between said housings at said fan section, and (g) said gasket extending inwardly relative to an axis of the fan section of the motor-fan system towards said motor section.
Claim 7
Dependent Claim
122 words
A housing arrangement for a motor-fan system in a cleaner shell including; (a) a partial housing having vertically upstanding walls and positioned in said cleaner shell, (b) a supplementary housing disposed over said partial housing, and having generally vertically extending walls, (c) a motor-fan system mounted on said partial housing and positioned between it and said supplementary housing, (d) a gasket extending along and between said vertical walls to provide at least partial sealing for said motor-fan system, (e) said supplementary housing including a front wall which terminates at a level above its side walls, and (f) said gasket extending along said front wall including said level above said side walls whereby sealing of said housing arrangement is occasioned at its front.
Claim 8
Dependent Claim
122 words
A housing arrangement for a motor-fan system in a cleaner shell including; (a) a partial housing having vertically upstanding walls and positioned in said cleaner shell, (b) a supplementary housing disposed over said partial housing, and having generally vertically extending walls, (c) a motor-fan system mounted on said partial housing and positioned between it and said supplementary housing, (d) a gasket extending along and between said vertical walls to provide at least partial sealing for said motor-fan system, (e) said supplementary housing including a front wall which terminates at a level above its side walls, and (f) said gasket extending along said front wall including said level above said side walls whereby sealing of said housing arrangement is occasioned at its front.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-05-20 | 1994-11-19 | 1995-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-20 | 1998-11-19 | 1999-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-05-20 | 2002-11-19 | 2003-05-21 | $7700.00 | Window Closed / Lapsed |