| 摘要 |
A support assembly (20) according to one embodiment of the present invention includes a support (210) rotatably disposed with respect to a frame (960), a repetition lever (240) rotatably connected to the support (210), an spring element (280) supported by a support portion (218) fixed to the support (210), the spring element (280) which provides a rotational force to the repetition lever (240), and a contact portion (242) between the repetition lever (240) and the spring element (280), wherein a rotating portion of the repetition lever (240) is provided with respect to the support portion (218) on a side opposite to the contact portion (242) between the repetition lever (240) and the spring element (280). |
