Brake cylinder device and brake device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 12, 2017
Issued Date -
N/A
app pub date -
Mar 27, 2014
filing date -
Apr 3, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A brake cylinder device having a parking spring brake mechanism, provided with a clutch mechanism configured so as to transmit or block urging force of a piston to or from a brake force transmitting unit; a latch member for restricting displacement of the brake force transmitting unit relative to the piston by engaging with the clutch mechanism, and allowing displacement of the brake force transmitting unit relative to the piston by disengaging from the clutch mechanism; a latch lock member for engaging at an inclined part with a protruding part of the latch member; and a rotation-preventing part for preventing the latch lock member from rotating.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- B61H Class
- 61 Applications Filed
- 49 Patents Issued To-Date
- 80.33 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B61H 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 | Jun 12, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 12, 2029 |
