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Patent US2931764A successfully refreshed from Google Patents.
US2931764A
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Apparatus for electroplating bearing surfaces of a crankshaft
Assignee: Van Der Horst Corp of America
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Filing: 1956-03-29
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Granted: 1960-04-05
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Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Pyles Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:21
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN AN APPARATUS FOR ELECTROPLATING BEARING SURFACES OF A CRANKSHAFT WHEN DISPOSED IN A PLATING TANK CONTAINING A PLATING BATH, MEANS MOUNTING SUCH A CRANKSHAFT WITH ITS LONGITUDINAL AXIS DISPOSED SUBSTANTIALLY HORIZONTALLY BENEATH THE SURFACE OF THE PLATING BATH AND FOR ROTATING SAID SHAFT ABOUT ITS LONGITUDINAL AXIS WHEREBY THE CRANK PIN BEARING PORTIONS THEREOF DESCRIBE PLANETARY MOTIONS, A PLURALITY OF ANODES EACH MOUNTED UPON ONE OF THE BEARINGS TO BE PLATED, EACH ANODE COMPRISING PAIRED SEMI-CIRCULAR ANODE SECTIONS DETACHABLY INTERCONNECTED TO ENCIRCLE THE SURFACE TO BE PLATED IN UNIFORMLY SPACED RELATION THEREFROM, AN END RING DISPOSED AT EACH END OF EACH ANODE AT THE ENDS OF THE SURFACES TO BE PLATED AND CLOSING THE GAP BETWEEN EACH SUCH ANODE AND ITS ASSOCIATED BEARING SURFACE, THE WALLS OF SAID ANODES BEING APERTURED TO CAUSE CIRCULATION OF ELECTROLYTE FROM THE MAIN PLATING BATH INTO AND OUT OF SAID GAP, MEANS CONNECTED TO SAID ANODES PERMITTING ONLY LIMITED OSCILLATION
Claim 2
Dependent Claim
157 words
IN AN APPARATUS FOR ELECTROPLATING BEARING SURFACES OF A CRANKSHAFT WHEN DISPOSED IN A PLATING TANK CONTAINING A PLATING BATH, MEANS MOUNTING SUCH A CRANKSHAFT WITH ITS LONGITUDINAL AXIS DISPOSED SUBSTANTIALLY HORIZONTALLY BENEATH THE SURFACE OF THE PLATING BATH AND FOR ROTATING SAID SHAFT ABOUT ITS LONGITUDINAL AXIS WHEREBY THE CRANK PIN BEARING PORTIONS THEREOF DESCRIBE PLANETARY MOTIONS, A PLURALITY OF ANODES EACH MOUNTED UPON ONE OF THE BEARINGS TO BE PLATED, EACH ANODE COMPRISING PAIRED SEMI-CIRCULAR ANODE SECTIONS DETACHABLY INTERCONNECTED TO ENCIRCLE THE SURFACE TO BE PLATED IN UNIFORMLY SPACED RELATION THEREFROM, AN END RING DISPOSED AT EACH END OF EACH ANODE AT THE ENDS OF THE SURFACES TO BE PLATED AND CLOSING THE GAP BETWEEN EACH SUCH ANODE AND ITS ASSOCIATED BEARING SURFACE, THE WALLS OF SAID ANODES BEING APERTURED TO CAUSE CIRCULATION OF ELECTROLYTE FROM THE MAIN PLATING BATH INTO AND OUT OF SAID GAP, MEANS CONNECTED TO SAID ANODES PERMITTING ONLY LIMITED OSCILLATION
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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |