Permanently lubricated dental prophylaxis angle
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United States of America Patent
Stats
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Oct 12, 1999
Grant Date -
N/A
app pub date -
Mar 14, 1998
filing date -
Mar 14, 1998
priority date (Note) -
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Abstract
A maintenance-free dental prophylaxis angle includes a one-piece body including a sleeve and a head. The sleeve and head define intersecting bores. A one-piece drive gear including an enlarged bearing part and a forward gear end is journaled directly in the sleeve and held axially between a retaining ring engaging the rear of the enlarged bearing part and a ball engaging the forward gear end. A one-piece driven gear is journaled solely in a cap which is press fit in the head bore The driven gear is engaged and driven by the drive gear. The driven gear includes an upper bur tube and a lower gear part. The gear part of the driven gear rests on the ball, and is restrained from axial movement by the cap and the ball, which forms a thrust bearing for the driven gear. A dental tool is connected to the bur tube of the driven gear, and forms a seal with the cap.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
YOUNG DENTAL MANUFACTURING COMPANY 1 LLC | 13705 SHORELINE COURT EAST EARTH CITY MO 63045 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Loddeke, Gerald Ray | O'Fallon, MO | 1 | 16 |
Rose, Mark M | Crystal City, MO | 11 | 131 |
Thurman, III James R | Cadet, MO | 1 | 16 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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