Parking brake apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 1, 2022
Grant Date -
Aug 20, 2020
app pub date -
Feb 10, 2020
filing date -
Feb 15, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A parking brake apparatus may include: a driving part; a driving gear rotatably connected to the driving part; a gear shaft engaged with the driving gear so as to be rotated by the driving gear; a pair of pistons disposed on both sides of the gear shaft and connected to brake shoes, respectively; a pair of nuts disposed in the respective pistons, and screwed to the gear shaft; an elastic member installed between the piston and the nut so as to pressure the nut toward the brake shoe; a holder installed in the piston so as to support the elastic member; and a constraint ring installed in the piston so as to constrain the holder.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B60T Class
- 71.25 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | May 1, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 1, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 1, 2034 |
