| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening and closing door to be operated by a lever without economical burden and keeping the balance of an existing door. SOLUTION: A lever 3 is extended on a ring-like member 2 in an auxiliary lever 1, a stop screw 5 is provided through a resilient body 4b on both the sides of the root part of the lever 3 of the ring-like member 2, and the resilient body 4a is interposed at the opposite position. A pad plate 6 is interposed between the stop screw 5 and the resilient body 4b so that the edge of the stop screw 5 does not bite into the resilient body 4b. An inward rib 8a is formed on the inner peripheral edge of an inlet in which the ring-like member 2 is fitted to a knob 7, the inside diameter is equal to or slightly larger than the outside diameter of the knob 7. A rib 8b is also formed on the reverse side, and the inside diameter is smaller than the outside diameter of the knob 7.
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