| 摘要 |
PROBLEM TO BE SOLVED: To use with high durability a knob member even when the member is used under the environment around a kitchen. SOLUTION: A fitting section 7 for fitting an operation member 2, which is provided on a separate section, is formed in the bonded state on an operation member setting section 3 formed of amorphous resin, and a knob section 4 used for the operation of the transmitting force to the operation member 2 in the state of fitting the operation member 2 on the fitting section 7 is formed. An annular channel 10 encircling a setting section 7a is formed in a wall thickness formed between a contact face 7a being in contact with the operation member 2 on the fitting section 7 and an opposite face 7b facing the contact face 7a. |
