Patent US4443386A successfully refreshed from Google Patents.
US4443386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporative cooler pad frame support
Assignee: Coolair Corp Pte Ltd
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Filing: 1982-06-14
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Granted: 1984-04-17
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Expires: 2002-06-14
Abstract
Abstract A baffle is upstanding from the base of an evaporative cooler tank, and a spreader has a depending flange, the pad frames having their lower ends located and supported by the upper edge of the baffle and their upper ends engaged and located by the depending spreader flange.
Inventors
- 👤 Robert W. Wrightson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:28
CPC Classifications
F; F28; F28F; F28F9/00; F28D; F28D5/00; F28F9/22; Y; Y10; Y10S; Y10S261/00; Y10S261/41
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
185 words
Support means for supporting evaporative pad frames and their pads in an evaporative cooler of the type having a water tank, a water spreader located above the tank, a motor driven blower between the spreader and the tank, and a pump arranged to pump water from the tank to the spreader, the pad frames being at a distance from the blower and extending downwardly from the spreader towards the tank to intercept water when discharged from the spreader, said support means comprising: a baffle and means locating the baffle to be upstanding from the base of the tank, the locating means comprising a plurality of baffle locating spigots upstanding from the base and a corresponding plurality of tabs outstanding from the baffle, each said tab having an aperture the walls of which slidably engage a respective said spigot when the baffle is within the tank, support surfaces on the upper edge of the baffle supporting and locating the lower ends of the respective said pad frames, and a flange depending from the periphery of the spreader engaging and locating the upper ends of said frames.
Claim 2
Dependent Claim
185 words
Support means for supporting evaporative pad frames and their pads in an evaporative cooler of the type having a water tank, a water spreader located above the tank, a motor driven blower between the spreader and the tank, and a pump arranged to pump water from the tank to the spreader, the pad frames being at a distance from the blower and extending downwardly from the spreader towards the tank to intercept water when discharged from the spreader, said support means comprising: a baffle and means locating the baffle to be upstanding from the base of the tank, the locating means comprising a plurality of baffle locating spigots upstanding from the base and a corresponding plurality of tabs outstanding from the baffle, each said tab having an aperture the walls of which slidably engage a respective said spigot when the baffle is within the tank, support surfaces on the upper edge of the baffle supporting and locating the lower ends of the respective said pad frames, and a flange depending from the periphery of the spreader engaging and locating the upper ends of said frames.
Claim 3
Dependent Claim
21 words
Support means according to claim 1 wherein said baffle comprises two baffle portions, and means interengaging said portions end to end.
Claim 4
Dependent Claim
21 words
Support means according to claim 1 wherein said baffle contains water flow apertures extending through its walls near their lower edges.
Claim 5
Dependent Claim
24 words
Support means according to claim 1 wherein said support surfaces include support flanges extending near the upper edge of the rear of the baffle.
Claim 6
Dependent Claim
43 words
Support means according to claim 1 wherein said baffle comprises a pair of side walls which diverge in a forward direction, said support surfaces including the upper edges of the baffle side walls, respective said pad frames being slidable over those upper edges.
Claim 7
Dependent Claim
171 words
Support means for supporting evaporative pad frames and their pads in an evaporative cooler of the type having a water tank, a water spreader located above the tank, a motor driven blower between the spreader and the tank, and a pump arranged to pump water from the tank to the spreader, the pad frames being at a distance from the blower and extending downwardly from the spreader towards the tank to intercept water discharged from the spreader, said support means comprising: a baffle comprising a pair of side walls which diverge in a forward direction and means locating the baffle to be upstanding from the base of the tank, support surfaces on the upper edge of the baffle supporting and locating the lower ends of the respective said pad frames, said support surfaces including the upper edges of the baffle side walls, respective said pad frames being slidable over those upper edges, and a flange depending from the periphery of the spreader engaging and locating the upper ends of said frames.
Claim 8
Dependent Claim
171 words
Support means for supporting evaporative pad frames and their pads in an evaporative cooler of the type having a water tank, a water spreader located above the tank, a motor driven blower between the spreader and the tank, and a pump arranged to pump water from the tank to the spreader, the pad frames being at a distance from the blower and extending downwardly from the spreader towards the tank to intercept water discharged from the spreader, said support means comprising: a baffle comprising a pair of side walls which diverge in a forward direction and means locating the baffle to be upstanding from the base of the tank, support surfaces on the upper edge of the baffle supporting and locating the lower ends of the respective said pad frames, said support surfaces including the upper edges of the baffle side walls, respective said pad frames being slidable over those upper edges, and a flange depending from the periphery of the spreader engaging and locating the upper ends of said frames.
Claim 9
Dependent Claim
61 words
Support means according to claim 6 wherein said means to locate the baffle to be upstanding from the base comprises a plurality of baffle locating spigots upstanding from the base and a corresponding plurality of tabs outstanding from baffle, each tab having an aperture the walls of which slidably engage a respective said spigot when the baffle is within the tank.
Claim 10
Dependent Claim
21 words
Support means according to claim 6 wherein said baffle comprises two baffle portions, and means interengaging said portions end to end.
Claim 11
Dependent Claim
21 words
Support means according to claim 6 wherein said baffle contains water flow apertures extending through its walls near their lower edges.
Claim 12
Dependent Claim
24 words
Support means according to claim 6 wherein said support surfaces include support flanges extending near the upper edge of the rear of the baffle.
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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) | 1987-04-17 | 1987-10-17 | 1988-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-17 | 1991-10-17 | 1992-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-17 | 1995-10-17 | 1996-04-17 | $7700.00 | Window Closed / Lapsed |