发明名称 Spring tension adjustment mechanism
摘要 According to one embodiment, a spring tension adjustment device for adjusting tension in a spring includes a rotation feature and a plurality of spring-attachment features. The rotation feature defines a first axis of rotation. Each spring-attachment feature is configured to receive one end of a spring, each spring-attachment feature being located at a different distance from the rotation feature.
申请公布号 US9562581(B2) 申请公布日期 2017.02.07
申请号 US201414467968 申请日期 2014.08.25
申请人 Bell Helicopter Textron Inc. 发明人 Yates Travis;Haugeberg Chad
分类号 B64C27/00;F16F1/12;B64C13/04;B64C13/12;B64C13/30;B64D43/00 主分类号 B64C27/00
代理机构 代理人
主权项 1. A rotorcraft, comprising: a body; a power train coupled to the body and comprising a power source and a drive shaft coupled to the power source; a rotor system coupled to the power train and comprising a plurality of rotor blades; a pilot input device operable to receive inputs from a pilot; and a flight control assembly in communication with the rotor system and the pilot input device, the flight control assembly comprising: a plurality of mechanical members in communication with the rotor system and the pilot input device;a spring coupled between one of the plurality of mechanical members and an attachment point;a spring-tension adjustment device coupled to the spring, the spring-tension adjustment device comprising: a rotation feature defining a first axis of rotation; anda plurality of apertures, each aperture configured to receive one of the first end or the second end of the spring, each aperture being located at a different distance from the first axis of rotation.
地址 Fort Worth TX US