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    • 3. 发明授权
    • Comprehensive airplane safety system
    • 综合飞机安全系统
    • US4726550A
    • 1988-02-23
    • US29227
    • 1987-03-23
    • Bao C. ChenShih C. Chen
    • Bao C. ChenShih C. Chen
    • A63B35/04B64C1/32B64D25/00B64C1/24
    • B64D25/00A63B35/04B64C1/32Y10S244/905
    • An airplane with an enlarged safety door in the lower middle part of the fuselage which can be opened during mid-flight emergencies so as to let emergency exit stairs be hydraulically lowered down therefrom. The stairs have a hydraulically operated slideway on the lower end thereof. Chair assemblies which are slidable on rails and which are normally retained by a flip-up board. The chair assemblies can be moved either manually or by means of a motor driven draw cord. A user propelled water safety device comprising an inflatable chest support, two handlebars two inflatable paddlewheels and two floatation devices. A bouyant, collapsible carry-all which can be used to carry survival and safety items upon exit of the plane and which has holes in the bottom thereof for easy draining. An air-flow system comprising an air exhaust shield, a plurality of fans, air vents distributed at even intervals along the ceiling of the plane. An air supply system comprising pipes that run between the walls of the airplane to a plurality of outlets on the end sections of the pipe.
    • 在机身下部中部放置安全门的飞机,可在中途突发事件期间打开,以便紧急出口楼梯从其中液压降下。 楼梯在其下端具有液压操作的滑道。 椅子组件可在导轨上滑动,通常由翻盖板保持。 椅子组件可以手动或通过马达驱动牵引绳移动。 用户推动水安全装置包括可充气胸部支撑件,两个手把两个可充气垫轮和两个浮动装置。 一种易于折叠的携带物,可以用于在飞机出口时携带生存和安全物品,并在底部有孔,以方便排水。 一种气流系统,包括排气屏蔽,多个风扇,沿着平面的天花板以均匀间隔分布的通风口。 一种空气供应系统,包括在飞机的壁之间延伸到管道的端部上的多个出口的管道。
    • 5. 发明授权
    • Swimming aid
    • 游泳辅助
    • US4832631A
    • 1989-05-23
    • US185395
    • 1988-04-25
    • Marvin N. Gag
    • Marvin N. Gag
    • A63B35/04B63H16/04B63H16/20
    • B63H16/04A63B35/04
    • A manually powered pair of crank operated flat paddles used by a swimmer combines a rotary and paddling motion. One paddle is rotated to engage the water while the opposite paddle is disengaged and provides flotation only. The opposite paddle is then rotated to engage the water while the first paddle is disengaged. This apparatus combines support with propulsion to assist the beginning swimmer. The motion of the swimmer's arms using this device mimics a normal swimming stroke and aids the learning process.
    • 由游泳者使用的手动动力对的曲柄操作的平桨结合了旋转和划桨运动。 旋转一个桨以接合水,同时相对的桨脱开,并提供浮选。 然后相对的桨叶旋转以接合水,同时第一桨叶脱开。 该装置结合支持与推进,以帮助初学游泳者。 使用这种装置的游泳者的手臂的运动模仿正常的游泳中风,并有助于学习过程。
    • 8. 发明授权
    • Swimming and exercising apparatus
    • 运动和锻炼装置
    • US4162788A
    • 1979-07-31
    • US816336
    • 1977-07-18
    • Gerard Turnier
    • Gerard Turnier
    • A63B35/04
    • A63B21/0084A63B35/04A63B2225/60
    • Swimming and exercising apparatus is disclosed comprising a body supporting section having wheels with cog-like driving members thereon secured to the body supporting section at either end through wheel supporting frames. The wheels are positioned on either end in pairs, each of the wheels being individually driven by pedals. A pair of pedals are positioned at one end of the body supporting section and a pair of pedals are positioned at the opposite end of the body supporting section, each of the pedals drivingly engaging a wheel. The wheels are mounted on crossbars extending across the frame sections, each crossbar lying in the horizontal plane parallel to the body supporting section, one of the horizontal planes extending a greater distance from the body supporting section than the other.A pair of removable braces are provided, one end of the braces being secured to the body supporting section, the other end of which may be secured to a wall. The ends of the removable braces that are secured to a wall lie in a plane parallel to a horizontal plane normal to the outer edges of the wheels.