Adjustable negative stiffness mechanisms
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 19, 2019
Grant Date -
Jul 12, 2018
app pub date -
Jan 12, 2017
filing date -
Jan 12, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An adjustable negative stiffness mechanism is disclosed. The adjustable negative stiffness mechanism includes a central shaft, an outer annular member extending around the central shaft, at least two negative stiffness elements extending between the central shaft and the annular member, and an actuator coupled to the negative stiffness elements. Each of the negative stiffness elements has an inner end coupled to the central shaft and an outer end engaging the annular member. The actuator is configured to compress and expand the negative stiffness elements to adjust a negative stiffness mechanical response exhibited by the negative stiffness elements.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2017 Application Filing Year
- F16F Class
- 1122 Applications Filed
- 784 Patents Issued To-Date
- 69.88 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F16F Class
- 53.36 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 19, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 19, 2030 |
