Mounting and securing structure for damper unit in steering wheel and steering wheel

A mounting and securing structure for the damper unit of a steering wheel, comprising:

• an airbag module as the damper mass, a damper unit to dampen the vibrations of the steering wheel, and in order to incorporate the damper unit between the steering wheel and the airbag module, being provided with a mounting pin member for the damper unit part of either the steering wheel or the airbag module,
• a collar member formed in a hollow cylinder with an opening for on one end in the length direction where the mounting pin member I inserted and is provided secured on the support part, a seat part provided on other end in the length direction of the collar member where an insertion side tip of the mounting pin member is seated, a positioning groove part positioned on the collar member between the seat part and the opening and formed in a direction in an orientation intersecting the length direction, a locking groove part formed on the mounting pin member which becomes positioned on the positioning groove part when the insertion side tip is seated in the seat part, and a spring member provided on the support part inserted through the positioning groove part and is elastically locked by the locking groove part when the insertion side tip is seated in the seat part and retains the mounting pin member.