US3792683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating a torsional vibration damper weight
Assignee: Caterpillar Inc
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Filing: 1972-08-21
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Granted: 1974-02-19
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Expires: 1992-08-21
Abstract
Abstract A fluidized bed coating apparatus is used to substantially cover the weight of a torsional vibration damper with a thin coating of nylon. The apparatus comprises a weight-carrying support rotatably mounted in a tank and a drive motor connected to the support to rotate it during coating of the weight.
Inventors
- 👤 G Bragg
- 👤 R Bahr
- 👤 S Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:01
CPC Classifications
B; B05; B05C; B05C19/00; B05C19/02; B05C19/025; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
181 words
A fluidized bed coating apparatus for coating an object with a layer of material comprising a tank having a porous plate means secured therein to define separated upper and lower chambers, means for communicating a gas to said lower chamber, a fixture normally positioned in said upper chamber, including support means and mounting means for mounting an object on said support means, means for rotating said support means, said mounting means comprising a plurality of brackets attached to said support means and circumferentially spaced thereon, at least one of said brackets being pivotally mounted on said support means, means for selectively raising said fixture out of said tank, said means for rotating said support means comprising a motor mounted on said fixture and gear means operatively connected between said motor and said support means for rotating said support means upon actuation of said motor, said gear means comprising a pinion gear driven by said motor and a bull gear meshing with said pinion gear and secured to said support means, and three of said brackets being disposed on said support meant.
Claim 2
Dependent Claim
181 words
A fluidized bed coating apparatus for coating an object with a layer of material comprising a tank having a porous plate means secured therein to define separated upper and lower chambers, means for communicating a gas to said lower chamber, a fixture normally positioned in said upper chamber, including support means and mounting means for mounting an object on said support means, means for rotating said support means, said mounting means comprising a plurality of brackets attached to said support means and circumferentially spaced thereon, at least one of said brackets being pivotally mounted on said support means, means for selectively raising said fixture out of said tank, said means for rotating said support means comprising a motor mounted on said fixture and gear means operatively connected between said motor and said support means for rotating said support means upon actuation of said motor, said gear means comprising a pinion gear driven by said motor and a bull gear meshing with said pinion gear and secured to said support means, and three of said brackets being disposed on said support meant.
Claim 3
Dependent Claim
12 words
The invention of claim 1 wherein each of said brackets is magnetized.
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) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |