US 12,337,452 B2
Locking device for electric nail gun powered by gas spring
Zhonghua Jiang, Zhejiang (CN); Shifu Qiu, Zhejiang (CN); Zien Jin, Zhejiang (CN); Jianguang Jin, Zhejiang (CN); Xiaorong Li, Zhejiang (CN); Xiaopeng Li, Zhejiang (CN); and Fazheng Yang, Zhejiang (CN)
Assigned to Zhejiang Rongpeng Air Tools Co., Ltd., Zhejiang (CN)
Filed by Zhonghua Jiang, Zhejiang (CN); Shifu Qiu, Zhejiang (CN); Zien Jin, Zhejiang (CN); Jianguang Jin, Zhejiang (CN); Xiaorong Li, Zhejiang (CN); Xiaopeng Li, Zhejiang (CN); and Fazheng Yang, Zhejiang (CN)
Filed on Dec. 12, 2023, as Appl. No. 18/536,246.
Claims priority of application No. 202322641181.3 (CN), filed on Sep. 28, 2023.
Prior Publication US 2025/0108494 A1, Apr. 3, 2025
Int. Cl. B25C 1/04 (2006.01); B25C 1/06 (2006.01)
CPC B25C 1/047 (2013.01) [B25C 1/06 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A locking device for an electric nail gun powered by a gas spring, comprising:
a power box (1),
a striker (2) movably mounted above the power box (1) with a plurality of evenly spaced ratchets formed on one side and a notch (2a) on the other,
a fixed central shaft (4) mounted above the power box (1) on the side with the notch (2a) of the striker (2),
a rotatable locking block (6) on the fixed central shaft (4) engaging or disengaging the notch (2a) to lock or unlock the striker (2),
a tension spring (17) on the power box (1) resetting the locking block (6) to a locked position,
a guide pad (14) maintaining synchronous rotation with the fixed central shaft (4) and located above the locking block (6),
a lock nut (12) securing an upper part of the guide pad (14),
a pressure plate (10) on the power box (1), fixed perpendicular above the striker (2) and to the striker (2) by a first bolt (9) and a second bolt (11),
a sleeve (8) fitted over the first bolt (9),
the guide pad (14) including an integral guide part (141), an upper surface of the integral guide part (141) tightly against an underside of the pressure plate (10) and a side surface of the guide part (141) close to the sleeve (8).