Self-clamping mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 10, 2009
Grant Date -
Oct 4, 2007
app pub date -
Mar 14, 2007
filing date -
Apr 4, 2006
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
A self-clamping mechanism includes a first support surface and a clamping member in sliding contact with the first support surface. The clamping member has a first surface in confronting engagement with the first support surface, and a second surface for engaging the surface of an object to be clamped by the mechanism. The first and second surfaces of the clamping member are disposed at a predetermined angle, θ, such that when certain conditions are met, the object will remain clamped by the mechanism regardless of external forces applied to the object.
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 | |
---|---|---|
ZHEJIANG ZIJIN WANG MACHINERY CO LTD | TOUAO INDUSTRIAL AREA HAIRUN STREET SANMEN COUNTY TAIZHOU 317100 |
International Classification(s)

- 2007 Application Filing Year
- B25B Class
- 483 Applications Filed
- 251 Patents Issued To-Date
- 51.97 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Liu, Fengyu | Mason, US | 20 | 14 |
# of filed Patents : 20 Total Citations : 14 | |||
Liu, Hongwei | Mason, US | 123 | 844 |
# of filed Patents : 123 Total Citations : 844 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- B25B Class
- 3.05 % this patent is cited more than
- 16 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
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 |
Full Text

Legal Events
- No Legal Status data available.

Matter Detail

Renewals Detail
