Cylinder device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 12, 2018
Issued Date -
N/A
app pub date -
Apr 2, 2015
filing date -
Apr 17, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cylinder device includes a piston rod that is inserted into a cylinder so as to be movable back and forth. The piston rod has a rod portion that extends outside the cylinder, and a piston connected to an end portion of the rod portion, the piston moving in the cylinder in a slidable manner. The rod portion has a rod inner space formed in the rod portion, the rod inner space communicating with the piston-side chamber of the cylinder, a first communicating passage that connects the rod inner space and the rod-side chamber of the cylinder, and an orifice plug provided in the first communicating passage in a changeable manner. The piston is connected to the rod portion so as to cover a part of the orifice plug.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F16F Class
- 42.26 % this patent is cited more than
- 7 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 | Dec 12, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 12, 2029 |
