| 摘要 |
<p>The unit brake 1 includes a pushing rod 12 which is arranged to move in and out to and from a brake main body 11, a shoe head 13 which is rotatably connected to a leading end portion of the pushing rod 12, a link component 14 which is connected to the shoe head 13 at a position above a junction between the shoe head 13 and the pushing rod 12 to be rotatable about an axis which is substantially in parallel to a rotation axis about which the shoe head 13 rotates with respect to the pushing rod 12, and a supporting arm 15 which is connected to the brake main body 11 at a position below the junction between the shoe head 13 and the pushing rod 12 and is rotatable about an axis substantially in parallel to a rotation axis about which the link component 14 rotates with respect to the pushing rod 12 of the shoe head.</p> |
