Apparatus for counterbalancing weight
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 1, 2003
Grant Date -
Jul 4, 2002
app pub date -
May 23, 2001
filing date -
May 23, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an apparatus for counterbalancing the weight of movable machine parts of a machine tool. A simply and compactly designed apparatus of this kind enabling a weight compensation even without complex pressure supplies is, according to the invention, characterized in that it comprises one or more helical springs (1;15 to 18) the one end (7, 29) of which is connected to the movable machine part (12; 35) for generating a counter-force counteracting the weight force for the movable machine part.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
DE | C2 | DE10025355 | May 23, 2000 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT SPECIFICATION (SECOND PUBL.) | Vorrichtung zum Gewichtsausgleich | Dec 12, 2002 | |||
DE | U1 | DE20022504 | May 23, 2000 | Utility Model | Grant |
Type : Utility Model Sub-Type : Grant | |||||
UTILITY MODEL | Vorrichtung zum Gewichtsausgleich | Oct 11, 2001 | |||
EP | B1 | EP1157781 | May 22, 2001 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
Patent | Vorrichtung zum Gewichtsausgleich | Oct 04, 2006 | |||
JP | A | JP2002001623 | May 23, 2001 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
Published unexamined patent application | APPARATUS FOR COMPENSATING WEIGHT | Jan 08, 2002 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SCHERDEL INNOTEC FORSCHUNGS- UND ENTWICKLUNGS-GMBH | 95615 MARKTREDWITZ |
International Classification(s)

- 2001 Application Filing Year
- B23Q Class
- 377 Applications Filed
- 106 Patents Issued To-Date
- 28.12 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Hofmann, Klaus | Pienzenau, DE | 85 | 286 |
# of filed Patents : 85 Total Citations : 286 |
Cited Art Landscape
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Patent Citation Ranking
- 2 Citation Count
- B23Q Class
- 6.03 % this patent is cited more than
- 22 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 |
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