US3901255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum washer for vehicles
Assignee: Individual
•
Filing: 1974-02-19
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Granted: 1975-08-26
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Expires: 1994-02-19
Abstract
Abstract This invention relates to a drum washer of the type for installation on a refuse hauling vehicle and which is adapted to be incorporated into the structure of the vehicle at a location where a drum can be placed in the washer apparatus from ground level and which comprises a generally rectangular container in the form of a boxlike structure adapted to be secured into the vehicle structure and having a sloping top wall including an opening for inserting an inverted drum in the container to rest on a sloping supporting wall of open construction where it is washed out by flushing apparatus in the container and having a heating chamber under the floor of the container for maintaining a supply of flushing solution at the proper temperature.
Inventors
- 👤 Bruce Harold Pettit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:53
CPC Classifications
B; B65; B65F; B65F7/00; B65F7/005; B08; B08B; B08B9/00; B08B9/08; B08B9/0821; B08B9/0826
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
149 words
In a drum washing system for a refuse hauling vehicle, a drum washer comprising a generally box-like housing having vertical side and end walls and a downwardly sloping top wall, a drum opening in said top wall, a hinged cover on the top wall for said opening, an interior wall of open grid construction below said opening to support a drum inserted through said opening, a floor in the housing below said grid construction supporting a supply of drum washing solution, a main flushing nozzle for directing washing solution upwardly into a drum supported on said grid construction, and means mounted on a wall of said housing for propelling said washing solution through said nozzle including a pump driven from a power takeoff on said vehicle, a suction line from said supply of washing solution, a pressure line to said nozzle, and a control valve for activating said pump.
Claim 2
Dependent Claim
149 words
In a drum washing system for a refuse hauling vehicle, a drum washer comprising a generally box-like housing having vertical side and end walls and a downwardly sloping top wall, a drum opening in said top wall, a hinged cover on the top wall for said opening, an interior wall of open grid construction below said opening to support a drum inserted through said opening, a floor in the housing below said grid construction supporting a supply of drum washing solution, a main flushing nozzle for directing washing solution upwardly into a drum supported on said grid construction, and means mounted on a wall of said housing for propelling said washing solution through said nozzle including a pump driven from a power takeoff on said vehicle, a suction line from said supply of washing solution, a pressure line to said nozzle, and a control valve for activating said pump.
Claim 3
Dependent Claim
33 words
A drum washer for a vehicle as set forth in claim 1, wherein said vehicle is provided with a recess in a side wall thereof for receiving a drum inserted into said container.
Claim 4
Dependent Claim
23 words
A drum washer as set forth in claim 2, wherein said container is secured to the structure of said vehicle below said recess.
Claim 5
Dependent Claim
62 words
A drum washer as set forth in claim 3, wherein said housing is provided with a heating chamber below said floor for heating drum washing solution from an exhaust source on said vehicle, a series of baffles in said heating chamber for directing exhaust heat through said solution, and an exhaust heat diverter for directing exhaust heat away from said heating chamber.
Claim 6
Dependent Claim
51 words
A drum washer as set forth in claim 4, wherein said housing is provided with a heating element extending through one of said vertical walls and submerged in said supply of drum washing solution, and means for plugging a source of energy into said heating element exteriorly of said vertical wall.
Claim 7
Dependent Claim
36 words
A drum washer as set forth in claim 5 wherein said control valve includes a control rod extending from the valve to the side of said vehicle for actuation by an operator''s knee or the like.
Claim 8
Dependent Claim
83 words
A drum washer as set forth in claim 3, wherein said top wall slopes downwardly and outwardly to the outer side of said housing at the side of said vehicle, and said wall of open grid construction slopes downwardly and outwardly at an angle at least as great as that of the top wall whereby a drum inserted into said drum opening in the top wall will be supported on the open grid at an outwardly inclined angle for manipulation by an operator.
Claim 9
Dependent Claim
52 words
A drum washer as set forth in claim 7, wherein said pressure line to said nozzle is provided with a secondary line, and a second nozzle on the secondary line disposed at an angle to wash the rim of said drum simultaneously with the flushing of the drum by said main nozzle.
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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |