Horizontal door closer structure
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 23, 2016
Grant Date -
Jan 7, 2016
app pub date -
Nov 8, 2013
filing date -
Apr 1, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides a horizontal door closer structure, comprising an outer sleeve pipe and an inner pipe which can slide relatively, wherein an end of the outer sleeve pipe is provided with a buffer device, an adjustment component for adjusting total inlet and outlet air, and a buffer assembly are arranged on the buffer device; a spring is arranged in the inner pipe, one end of the spring is connected to the inner pipe, and the other end thereof is connected to the buffer device; and the front end of the outer sleeve pipe and an end of the inner pipe are provided with locating components which are mutually matched. In the door closer structure, the compression spring is arranged in the inner pipe, thereby saving the space of a door closer, and the adopted buffer device plays a buffering role by adjusting the total inlet and outlet air, and can control the speed of opening a door.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- E05F Class
- 319 Applications Filed
- 263 Patents Issued To-Date
- 82.45 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- E05F Class
- 0 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 23, 2028 |
