auctions in expanding external wheel with pressure springs pressed on double bicicli or ball bearings within the

• 1. 一种压力介质弹簧及使用该压力介质弹簧的传动螺母 [P] . 中国专利： CN113639023A . 2021-11-12
• 2. 一种压力弹簧及其使用该压力弹簧的电路开关装置 [P] . 中国专利： CN201188473Y . 2009.01.28
• 3. Bars in external expansion on wheel with pressure from pressed springs, double penny-farthings or sphere buffers in their inside. [P] . ITMC950094A1 . 1995-11-02

  机译： 车轮上的外部膨胀杆受到来自受压弹簧，内部两个便士座或球面缓冲器的压力。

• 4. two ball bearings without pin fixed with double pressure of two springs on the crowns of circumference of wheel pressure [P] . ITMC940111A1 . 1995-03-02

  机译： 两个不带销的球轴承，通过两个弹簧的双重压力固定在车轮压力圆周的冠部上

• 5. two ball bearings without pin fixed with double pressure of two springs on the crowns of circumference of wheel pressure [P] . ITMC940111D0 . 1994-12-02

  机译： 两个不带销的球轴承，通过两个弹簧的双重压力固定在车轮压力圆周的冠部上

• 1. Contact Force Distribution and Static Load-carrying Capacity of Large Size Double Row Four-point Contact Ball Bearing [J] . Yan-shuang WANG, Qian-qian YUAN 兵工学报（英文版） . 2013,第004期
• 2. DEVELOPMENT OF DOUBLE METAL BELLOWS AIR PRESSURE SPRING WITH LEAD RUBBER BEARING TYPE 3-DIMENSIONAL SEISMIC ISOLATOR [C] . Kyotada Nakamura, Seitaro Ogiso, Michiaki Suzuki, Seismic Engineering . 2002
• 3. Multi-dimensional stiffness characteristics of double row angular contact ball bearings and their role in influencing vibration modes. [D] . Gunduz, Aydin. 2012
• 4. Research on the Mechanical Properties of Z Type Double-Decker Ball Bearings [O] . Chengtao Yu, Longxiang Xu, Xudong Yu -1
• 5. Ball bearing versus magnetic bearing reaction and momentum wheels as momentum actuators [O] . Auer, W. 1980

• 1. 矿热炉用新型压力环—双顶紧弹簧压力环 [C] . 韩更升 ,李云峰 ,张军 . 第21届全国铁合金学术研讨会 . 2012
• 2. 越野车两级压力式油气弹簧设计与研究 [A] . 马孜立 . 2015