Patent US4769142A successfully refreshed from Google Patents.
US4769142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphibious oil spill absorbing machine
Assignee: Individual
•
Filing: 1986-11-25
•
Granted: 1988-09-06
•
Expires: 2006-11-25
Abstract
Abstract An amphibious self-contained oil spill absorbing machine having a chassis supported and propelled on land by front and rear rollers. The front roller has a covering of oil absorbing material and works against a pinch roller to squeeze oil absorbed by the covering into a trough for collection. The machine may be driven into the water supported by floats adjustable by rams to control the depth of penetration of the roller. Operation is possible in shallow water, on beaches and in estuary conditions.
Inventors
- 👤 Gordon D. H. Withnall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:17
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/10; E02B15/103; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/924
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
242 words
An amphibious oil spill absorbing machine comprising a chassis, at least one oil absorbing roller having an oil absorbing covering and being rotatably mounted transversely across the chassis and positioned with the lower periphery thereof below the chassis such that the chassis may be at least partially supported on land by the oil absorbing roller, flotation means adapted to float the machine in water and/or oil, said flotation means comprising vertically adjustable floats arranged to be raised relative to the chassis when the machine is operating on land and to be lowered when the machine is operating in water, the depth of immersion of the lower periphery of the oil absorbing roller being controllable by vertical adjustment of the floats relative to the chassis, propulsion means arranged to propel the machine forwardly when floating, rotation means arranged to rotate the oil absorbing roller in the direction of movement of the machine, at least one pitch roller arranged to bear against the oil absorbing roller compressing the oil absorbing covering and squeezing oil therefrom, and oil collection means arranged to collect oil squeezed from the covering, the oil absorbing covering comprising a demountable sleeve axially removable from the oil absorbing roller which provided with a flexible pneumatically supported peripheral surface arranged to be deflated for installation or removal of the sleeve, and to be inflated beneath the sleeve for engagement of the sleeve and for supporting the chassis of the machine on land.
Claim 2
Dependent Claim
242 words
An amphibious oil spill absorbing machine comprising a chassis, at least one oil absorbing roller having an oil absorbing covering and being rotatably mounted transversely across the chassis and positioned with the lower periphery thereof below the chassis such that the chassis may be at least partially supported on land by the oil absorbing roller, flotation means adapted to float the machine in water and/or oil, said flotation means comprising vertically adjustable floats arranged to be raised relative to the chassis when the machine is operating on land and to be lowered when the machine is operating in water, the depth of immersion of the lower periphery of the oil absorbing roller being controllable by vertical adjustment of the floats relative to the chassis, propulsion means arranged to propel the machine forwardly when floating, rotation means arranged to rotate the oil absorbing roller in the direction of movement of the machine, at least one pitch roller arranged to bear against the oil absorbing roller compressing the oil absorbing covering and squeezing oil therefrom, and oil collection means arranged to collect oil squeezed from the covering, the oil absorbing covering comprising a demountable sleeve axially removable from the oil absorbing roller which provided with a flexible pneumatically supported peripheral surface arranged to be deflated for installation or removal of the sleeve, and to be inflated beneath the sleeve for engagement of the sleeve and for supporting the chassis of the machine on land.
Claim 3
Dependent Claim
58 words
An amphibious oil spill absorbing machine as claimed in claim 1 wherein said oil absorbing roller is positioned toward the front of the chassis and a support roller is provided rotatably mounted transversely across the chassis toward the rear thereof such that the oil absorbing roller and the support roller support the weight of the machine on land.
Claim 4
Dependent Claim
33 words
An amphibious oil spill absorbing machine as claimed in claim 1 wherein the propulsion means comprise drive means coupled to a propeller adapted to be lowered and immersed when the machine is floating.
Claim 5
Dependent Claim
31 words
An amphibious oil spill absorbing machine as claimed in claim 2 wherein the propulsion means comprise paddle wheels or blades located at either end of the oil absorbing and/or support rollers.
Claim 6
Dependent Claim
21 words
An amphibious oil spill absorbing machine as claimed in claim 1 wherein the oil absorbing covering comprises a synthetic pile material.
Claim 7
Dependent Claim
21 words
An amphibious oil spill absorbing machine as claimed in claim 1 wherein the oil absorbing covering comprises a natural animal hide.
Claim 8
Dependent Claim
27 words
An amphibious oil spill absorbing machine as claimed in claim 1 wherein the oil collection means incorporates an elongate tray or gutter located beneath the pinch roller.
References Cited (Backward Citations)
US1379176A
Cited
US3546112A
Cited
US3539508A
Cited
US3536615A
Cited
US3702297A
Cited
US3682316A
Cited
US3670896A
Cited
US3968041A
Cited
US3685653A
Cited
US3962083A
Cited
US4061569A
Cited
FR2396124A1
Cited
DE2735548A1
Cited
US4514299A
Cited
US4575426A
Cited
US4555338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-09-06 | 1992-03-07 | 1992-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-06 | 1996-03-07 | 1996-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-06 | 2000-03-07 | 2000-09-06 | $7700.00 | Window Closed / Lapsed |