Patent US4967516A successfully refreshed from Google Patents.
US4967516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Debris collection system for a surface treating tool
Assignee: One World Technologies Ltd
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Filing: 1989-12-13
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Granted: 1990-11-06
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Expires: 2009-12-13
Abstract
Abstract A surface treating tool is provided with a debris collection container which includes a semi-rigid frame defining at least one window and mesh fabric covering that window. The exterior configuration of the container is such that the container blends in which the contour of the tool to provide an aesthetically pleasing appearance.
Inventors
- 👤 Kiyoshi Hoshino
- 👤 James A. Keith, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:44
CPC Classifications
B; B24; B24B; B24B55/00; B24B55/06; B24B55/10; B24B55/105
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
178 words
A surface treating tool comprising: a housing: a rotating electric motor having an output shaft supported within said housing: a platen carried on said housing and having a surface for supporting an abrasive sheet; actuating means coupling said motor output shaft to said platen for converting rotary motion of said output shaft to motion of said platen; a conduit within said housing having an exhaust port through said housing; suction inducing means mounted on said motor output shaft for removing abrasion produced debris from the surface and directing the debris to said conduit; and a debris collection container mounted on said exhaust port; the conduit is defined by walls of the housing; and the debris collection container includes: a semi-rigid frame defining at least one window; and mesh fabric covering said at least one window; said debris collection container further having an opening which covers said exhaust port when said container is mounted thereon, said container being so configured on its exterior that its blends in with the contour of said tool to provide an aesthetically pleasing appearance.
Claim 2
Dependent Claim
178 words
A surface treating tool comprising: a housing: a rotating electric motor having an output shaft supported within said housing: a platen carried on said housing and having a surface for supporting an abrasive sheet; actuating means coupling said motor output shaft to said platen for converting rotary motion of said output shaft to motion of said platen; a conduit within said housing having an exhaust port through said housing; suction inducing means mounted on said motor output shaft for removing abrasion produced debris from the surface and directing the debris to said conduit; and a debris collection container mounted on said exhaust port; the conduit is defined by walls of the housing; and the debris collection container includes: a semi-rigid frame defining at least one window; and mesh fabric covering said at least one window; said debris collection container further having an opening which covers said exhaust port when said container is mounted thereon, said container being so configured on its exterior that its blends in with the contour of said tool to provide an aesthetically pleasing appearance.
Claim 3
Dependent Claim
16 words
The tool according to claim 1 wherein said mesh fabric is formed of woven monofilament nylon.
Claim 4
Dependent Claim
23 words
The tool according to claim 1 wherein said mesh fabric is formed of woven monofilament nylon mesh having generally 45 micron clear openings.
Claim 5
Dependent Claim
20 words
The tool according to claim 3 wherein the openings of the mesh are spaced at generally 305 openings per inch.
Claim 6
Dependent Claim
89 words
The tool according to claim 1 wherein said housing includes: a tower section containing said motor; a generally horizontal handle section extending rearwardly from the upper end of said tower section beyond the rear extremity of said platen; and a conduit section extending from the distal end of said handle section to the lower end of said tower section so as to provide an open handhold region below said handle section, said conduit section containing said conduit therein and being formed with said exhaust port on its lower surface.
Claim 7
Dependent Claim
34 words
The tool according to claim 5 wherein said container includes four sides and a bottom, the top of said container being open, at least one of said sides having said at least one window.
Claim 8
Dependent Claim
65 words
The tool according to claim 6 wherein said container further includes a pair of tab members extending forward and laterally outward from the front of said container to engage a wall of said housing below said exhaust port and a resilient latch member extending upwardly from the rear of said container to engage a complementarily formed engagement member on said housing above said exhaust port.
Claim 9
Dependent Claim
32 words
The tool according to claim 7 wherein walls of said container which mate with the housing exhaust port are formed with shoulders so as to provide a seal with the exhaust port.
References Cited (Backward Citations)
FR79818E
Cited
US4317314A
Cited
US4549371A
Cited
DE3402062A1
Cited
US4729195A
Cited
US4731895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-11-05 | 1994-05-07 | 1994-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-11-05 | 1998-05-07 | 1998-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-11-05 | 2002-05-07 | 2002-11-06 | $7700.00 | Window Closed / Lapsed |