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美国专利4 378 128介绍一种救护车双层担架平台装置。该装置靠车侧壁安装,由上平台、下平台、立式导杆、滑槽、纵向导轨、支架、锁止固定机构等组成,如图1所示。与其它同类担架平台相比,主要有以下特点:1.平台靠支架安装在滑槽上,滑槽在立式导杆上可以上下移动,从而带动平台升降,调整平台的高度。2.调整滑槽高度,可以使担架平台向前或向后倾斜,使平台处于装卸位置,见图1。
U.S. Patent 4 378 128 describes an ambulance double-deck stretcher platform device. The device is mounted on the side wall of the vehicle and is composed of an upper platform, a lower platform, a vertical guide rod, a chute, a longitudinal guide rail, a bracket, a locking and fixing mechanism and the like, as shown in FIG. Compared with other similar stretcher platforms, the main features are as follows: 1. The platform is mounted on the chute by a bracket, the chute can move up and down on the vertical guide rod, thereby driving the platform to move up and down and adjust the height of the platform. 2. Adjusting the height of the chute allows the stretcher platform to be tilted forward or backward so that the platform is in the loading and unloading position (see Figure 1).