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Patent US4200950A successfully refreshed from Google Patents.
US4200950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Large area cleaning system
Assignee: Individual
•
Filing: 1978-04-21
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Granted: 1980-05-06
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Expires: 1998-04-21
Abstract
Abstract A system for cleaning large areas such as baseball parks and football stadiums and picnic areas and zoos, including a truck having a chassis, a refuse compactor mounted on the chassis for packing refuse into a small volume therein, a blower mounted on said chassis and constructed and arranged to draw air and entrained refuse into an inlet for the blower and to blow the refuse from the blower into the compactor, a substantial length of flexible hose having one end thereof connected to the inlet to the blower and a pickup nozzle connected to the other end of said hose, the pickup nozzle having an inlet end with an opening therein substantially greater in area than the internal area of the hose, the blower creating a stream of air entering the inlet end of the nozzle and carrying refuse therewith and along the hose and through the blower and into the compactor thereby rapidly to clean refuse from large areas and to compact the refuse into a small volume in the compactor.
Inventors
- 👤 Roger D. Coverley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:39
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
217 words
A system for cleaning large areas such as baseball parks and football stadiums and picnic areas and zoos, comprising a portable chassis, a refuse compactor mounted on said chassis for packing refuse into a small volume therein, a blower mounted on said chassis and constructed and arranged to draw air and entrained refuse into an inlet for said blower and to blow the refuse from said blower into said compactor, a substantial length of flexible hose having one end thereof connected to the inlet to said blower and a pickup nozzle connected to the other end of said hose, said pickup nozzle having an inlet end with an opening therein substantially greater in area than the internal area of said hose, said blower creating a stream of air entering the inlet end of said nozzle and carrying refuse therewith and along said hose and through said blower and into said compactor thereby rapidly to clean refuse from large areas and to compact the refuse into a small volume in said compactor, a hose support member including a sleeve for supporting and receiving said hose therethrough for sliding motion with respect thereto, and a clamp for mounting said sleeve upon the railing of an upper deck to assist in holding said hose during cleaning of the upper deck.
Claim 2
Independent Claim
217 words
A system for cleaning large areas such as baseball parks and football stadiums and picnic areas and zoos, comprising a portable chassis, a refuse compactor mounted on said chassis for packing refuse into a small volume therein, a blower mounted on said chassis and constructed and arranged to draw air and entrained refuse into an inlet for said blower and to blow the refuse from said blower into said compactor, a substantial length of flexible hose having one end thereof connected to the inlet to said blower and a pickup nozzle connected to the other end of said hose, said pickup nozzle having an inlet end with an opening therein substantially greater in area than the internal area of said hose, said blower creating a stream of air entering the inlet end of said nozzle and carrying refuse therewith and along said hose and through said blower and into said compactor thereby rapidly to clean refuse from large areas and to compact the refuse into a small volume in said compactor, a hose support member including a sleeve for supporting and receiving said hose therethrough for sliding motion with respect thereto, and a clamp for mounting said sleeve upon the railing of an upper deck to assist in holding said hose during cleaning of the upper deck.
Claim 3
Dependent Claim
53 words
The improvement in a system for cleaning large areas set forth in claim 1, wherein said substantial length of flexible hose has a length in the range from about 100 feet to about 400 feet or more and has an internal diameter in the range from about eight inches to about twelve inches.
Claim 4
Dependent Claim
44 words
The improvement in the system for cleaning large areas set forth in claim 1, wherein said flexible hose is formed of a lightweight molded plastic having a wall thickness of about one-sixteenth inch and being annularly corrugated to facilitate the bending and handling thereof.
Claim 5
Dependent Claim
71 words
The improvement in the system for cleaning large areas set forth in claim 1, wherein said flexible hose is provided in sections having lengths of about 20 feet, and further including hose clamps interconnecting adjacent hose sections and a hose clamp connecting one end of one of the hose sections to the inlet for the blower and another hose clamp connecting one end of another hose section to said pickup nozzle.
Claim 6
Dependent Claim
41 words
The improvement in the system for cleaning large areas set forth in claim 1, wherein the plane defined by the inlet end of said nozzle is disposed essentially parallel to the axis of the hose to which said nozzle is connected.
Claim 7
Dependent Claim
48 words
The improvement in the system for cleaning large areas set forth in claim 1, wherein the area in the opening in the inlet end of said nozzle has a ratio to the area of the inlet end to said hose in the range from about 1.5 to 3.
Claim 8
Dependent Claim
32 words
The improvement in the system for cleaning large areas set forth in claim 1, wherein said pickup nozzle has a handle thereon to facilitate movement in handling thereof during the cleaning operation.
References Cited (Backward Citations)
US1698180A
Cited
US2574412A
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US2803847A
Cited
US3594848A
Cited
US3665545A
Cited
US3717901A
Cited
US3902219A
Cited
US3847293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-05-06 | 1983-11-05 | 1984-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-06 | 1987-11-05 | 1988-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-06 | 1991-11-05 | 1992-05-06 | $7700.00 | Window Closed / Lapsed |