Spring reset device for piston mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 24, 2017
Grant Date -
Jan 28, 2016
app pub date -
Nov 21, 2014
filing date -
Jul 24, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a spring reset device for a piston mechanism. In certain embodiments, the spring reset device includes: a connecting plate, a pull rod, a plurality of reset springs, and a plurality of brackets. The connecting plate has a plurality of connecting pins. Each of the reset springs has a first end, and a second end. Each of the brackets has a connecting pin. The spring reset device is positioned on a top end of a piston body. The piston body includes a piston cylinder body, a piston plate, a piston rod, and a cylinder cover. A lower side of the piston plate is connected to the piston rod through a thread. First end of each of reset springs is rotatably connected to a hook portion of connecting plate. Second end of each of reset springs is rotatably connected a hook portion of a corresponding bracket.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- B25C Class
- 82 Applications Filed
- 68 Patents Issued To-Date
- 82.93 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B25C Class
- 0 % this patent is cited more than
- 8 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 | Apr 24, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 24, 2029 |
