Locking device for adjusting the nailing force of electric nailing gun
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Mar 11, 2025
Grant Date -
Jul 25, 2024
app pub date -
Nov 2, 2021
filing date -
Nov 2, 2021
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
A locking device for adjusting the nailing force of an electric nailing gun, comprising a power box, a driving motor provided inside the power box, an upper cylinder configured on the right side of the power box, a lower cylinder located right beneath the upper cylinder. The driving motor is connected with a connecting arm via a reducing mechanism. The end part of the connecting arm is configured with an eccentric spindle. A lower piston is provided inside the lower cylinder. The lower piston is hinged with a piston arm. The piston arm is connected to the eccentric spindle. An upper piston is configured inside the upper cylinder. The center of the left sidewall of the upper piston is configured with a firing pin. The left end of the firing pin sticks out of the upper cylinder.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ZHEJIANG RONGPENG AIR TOOLS CO. LTD.
International Classification(s)

- 2021 Application Filing Year
- B25C Class
- 124 Applications Filed
- 86 Patents Issued To-Date
- 69.36 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chen, Zhenhui | Zhejiang, CN | 8 | 2 |
# of filed Patents : 8 Total Citations : 2 | |||
Li, Xiaorong | Zhejiang, CN | 40 | 48 |
# of filed Patents : 40 Total Citations : 48 | |||
Wei, Junpeng | Zhejiang, CN | 6 | 7 |
# of filed Patents : 6 Total Citations : 7 | |||
Yang, Fazheng | Zhejiang, CN | 29 | 36 |
# of filed Patents : 29 Total Citations : 36 | |||
Yin, Zhenxing | Zhejiang, CN | 4 | 1 |
# of filed Patents : 4 Total Citations : 1 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- B25C Class
- 0 % this patent is cited more than
- < 1 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 | Sep 11, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 11, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 11, 2036 |
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 |
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Sep 16, 2022 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, MICRO ENTITY (ORIGINAL EVENT CODE: M3551); ENTITY STATUS OF PATENT OWNER: MICROENTITY year of fee payment: 4 |
Apr 30, 2019 | P | Publication | |
Apr 10, 2019 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Mar 13, 2019 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED |
Jul 06, 2017 | P | Published | |
Jul 04, 2016 | F | Filing | |
Aug 26, 2015 | PD | Priority Date |

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