Follow-up mechanism and brake caliper unit for gauge-changeable bogie
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Dec 28, 2021
Grant Date -
Oct 28, 2021
app pub date -
May 18, 2020
filing date -
May 18, 2020
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
The present application relate to a follow-up mechanism and a brake caliper unit for gauge-changeable bogie, the follow-up mechanism includes a follow-up connector, unlocking members that are located on two sides of the follow-up connector and movably connected to the follow-up connector, a transverse displacement recognition device movably connected to the unlocking members, a toothed locking and positioning device mounted on the follow-up connector, and at least two mutually parallel fixation members; the follow-up connector is in sliding fit with the fixation members, and sliders are fixedly connected at ends of the unlocking members; the toothed locking and positioning device is movably connected to the transverse displacement recognition device and fixation members, respectively; the brake caliper unit comprises a mounting bracket, the follow-up mechanism, and a brake actuator mounted on the mounting bracket, the follow-up mechanism is installed in cooperation with the brake actuator, and the fixation members are fixedly mounted on the mounting bracket. The present application can automatically recognize the orbit change of a train, the follow-up mechanism moves with a wheel by means of its stored elastic force and the unlocking members, and can self-locked at the target gauge position, thus realizing the change in position.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO LTD (CN) | NO 231 RUICHANG ROAD SHIBEI DISTRICT SHANDONG QINGDAO 266000 |
International Classification(s)

- 2020 Application Filing Year
- B61H Class
- 32 Applications Filed
- 17 Patents Issued To-Date
- 53.13 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Dai, Xiaochao | Qingdao, CN | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Huang, Jiansong | Qingdao, CN | 3 | 28 |
# of filed Patents : 3 Total Citations : 28 | |||
Huang, Shiwei | Qingdao, CN | 19 | 9 |
# of filed Patents : 19 Total Citations : 9 | |||
Meng, Qingyu | Qingdao, CN | 6 | 10 |
# of filed Patents : 6 Total Citations : 10 | |||
Wang, Fengzhou | Qingdao, CN | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Wang, Lingjun | Qingdao, CN | 9 | 13 |
# of filed Patents : 9 Total Citations : 13 | |||
Wang, Zhen | Qingdao, CN | 578 | 1891 |
# of filed Patents : 578 Total Citations : 1891 | |||
Zhang, Fangliang | Qingdao, CN | 9 | 53 |
# of filed Patents : 9 Total Citations : 53 | |||
Zhang, Xin | Qingdao, CN | 895 | 4200 |
# of filed Patents : 895 Total Citations : 4200 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- B61H Class
- 0 % this patent is cited more than
- 4 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jun 28, 2025 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 28, 2029 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 28, 2033 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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