Hard-rolling roller head pertaining to a hard-rolling tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 5, 2006
Grant Date -
Mar 31, 2005
app pub date -
Apr 25, 2003
filing date -
Apr 26, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a deep-rolling roller head (1) of a deep-rolling tool for the deep rolling of radii or undercuts (22) on the main and stroke journals of crankshafts (21), with a housing (2) in which one or two deep-rolling rollers are tracked with little clearance and are loosely rotatable in a roller cage (5) at a lateral distance from each other. The roller cage (5) is attached to underside (3) of the housing (2) towards the crankshaft (21) by means of pins (15) which support the roller cage (5) on its face (10) away from the deep-rolling rollers (4) and at the same time track them laterally. The housing (2) is provided with a projection (11, 12) for the support of the roller cage (5) on either end of its underside (3) towards the crankshaft (21). Pins (15) serving as fastening and tracking elements of the roller cage (5) are provided and engage the roller cage (5).
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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HEGENSCHEIDT-MFD GMBH & CO KG | 41812 ERKELENZ |
International Classification(s)

- 2003 Application Filing Year
- B21D Class
- 657 Applications Filed
- 271 Patents Issued To-Date
- 41.25 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Derichs, Heinrich Wilhelm | Wegberg, DE | 2 | 4 |
# of filed Patents : 2 Total Citations : 4 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- B21D Class
- 5.79 % this patent is cited more than
- 19 Age
Forward Cite Landscape
- No Forward Cites to Display

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 |
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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 |
Full Text

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Nov 15, 2016 | I | Issuance | |
Oct 26, 2016 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 17, 2013 | P | Published | |
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Mar 17, 2010 | PD | Priority Date |

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