spring buffer การใช้

• The earliest buffers were fixed extensions of the wagon frames, but later spring buffers were introduced.
• Spring buffers had been added between the compartments, to assist the straightening of the boat after it had negotiated a bend in the canal.
• The AM-23 differs from the ZSU anti-aircraft cannon in having a gas buffer where the ZSU has a disk spring buffer.
• They had steam brakes ( unlike the previous engines which had hand brakes only ), and spring buffers for the main line rolling stock.
• The A-12.7 aircraft machine gun has an electrical sear mechanism that is operated by a voltage of 26V . At the back plate a spring buffer is located.