| 摘要 |
PURPOSE:To facilitate assembly by constructing a frame so that an operating handle and a latch can be installed from the axial direction of the rotation. CONSTITUTION:A left frame 122a, handle spring 45, operating handle 132, link 36, lever 137, latch 139, tripping spring 44, and right frame 122b are set by mechanical means in place in a jig provided in advance, and then a protrusion 129 on the left frame protruding from a square hole 131 in the right frame is caulked to achieve a solidly coupled construction. A framing 121 is accomplished thereby. A handle spring 45 is stretched over between the hooking protrusion 28 on the left frame and the tip of the upper member 36a of link which protrudes from a hole 27 in the operating handle. Assembly is thus made easier through constituting of the framing 121 so that it admits installation of the operating handle 132 and latch 139 from the axial direction of the rotation. |
