| 摘要 |
PROBLEM TO BE SOLVED: To provide a handle for a manual opening/closing valve capable of generating large rotational torque on a handle itself.SOLUTION: A handle for a manual opening/closing valve includes a hub portion 21 applied as a rotating shaft, a ring portion 22 disposed coaxially with the hub portion 21, and a plurality of spoke portions 23 connecting the hub portion 21 and the ring portion 22. The handle for the manual opening/closing valve further includes a lever portion 24 capable of changing an attitude between an inward attitude directing to the hub portion 21 from a prescribed part of the ring portion 22, and an outward attitude directing to the direction opposite to the hub portion 21 from the prescribed part of the ring portion 22. The lever portion 24 is projected from a supporting portion 25 journaled on the prescribed part of the ring portion 22. |
