This is a recoil brake, which is used for the gun components installed on the wheel. The barrel of the gun has a large backward movement on the qurey.

• 1. 用于确定在车辆中安装的摄像机的俯仰运动的方法以及用于控制车辆的至少一个前照灯的光发射的方法 [P] . 中国专利： CN103765476A . 2014-04-30
• 2. 用于在车轮上安装轮速传感器的转换器 [P] . 中国专利： CN107933443A . 2018-04-20
• 3. Hydraulic recoil brake system for braking the gun barrel recoil movement after the firing traverse [P] . 美国专利： US4502366A . 1985-03-05

  机译： 液压后座力制动系统，用于在发射行程后制动枪管后座力运动

• 4. This is a recoil brake, which is used for the gun parts installed on the pulley to make the barrel back up greatly on the barrel. [P] . ES35600A2 . 1905-04-01

  机译： 这是一个后座力制动器，用于安装在皮带轮上的喷枪零件，以使枪管大大地支撑在枪管上。

• 5. Hydraulic filling device and use of the filling device for filling and bleeding gun barrel brakes and gun barrel recoilers [P] . 德国专利： DE4400325A1 . 1995-07-13

  机译： 液压加注装置以及该加注装置用于枪管制动器和枪管后坐器的加注和放气的用途

• 1. MODELING OF DYNAMIC INTERACTION BETWEEN GUN SYSTEM COMPONENTS DURING THE RECOIL MOTION OF THE GUN [C] . Nadeem Ahmed, R D Brown, J G Hetherington Proceedings of the ASME international design engineering technical conferences and computers and information in engineering conference 2009 . 2009
• 2. Opposing Movement Strategy, Critical Events, and Policy Change: How the Gun Control and Gun Rights Movements Capitalize on Mass Shootings [D] . Laschever, Eulalie Ida Jean. 2017
• 3. Virotheranostics a double-barreled viral gun pointed toward cancer; ready to shoot? [O] . Mohsen Keshavarz, Ailar Sabbaghi, Seyed Mohammad Miri, 2020
• 4. System Research Of Multi-Barrel Machine Guns Installed On Board Of The Helicopter Of Mi-17 Type [O] . Bęczkowski Grzegorz, Krzonkalla Jarosław, Mordzonek Maj, 2015
• 5. Analysis of Launch-Induced Motion of a Hybrid Electromagnetic/Gas Gun: IncludingExtended Formulation of Down-Barrel Recoil Loads [R] . Kathe, E., Gast, R., Vottis, P., 1996