Patent ID: 7127938

Claim:
A measuring head comprising: a seesaw member having a contact at an end and rotatably supported by a fulcrum member as supporting point; an urging member which urges the seesaw member in one direction; a detector provided on an opposite side to the contact through the fulcrum member in between, which detects a displacement amount of the contact by detecting the displacement amount of the seesaw member; and a unit damper apparatus which absorbs an impact, and a vibration conveyed from the contact to the seesaw member, wherein: the damper apparatus adds constant rotation resistance to the seesaw member, and the damper apparatus includes, a housing fixed on a measuring head proper, bearing members provided at both ends of the housing, a shaft inserted into the housing and supported by the bearing members to be capable of linear movement, grease filled in to surround the shaft in the housing between the bearing members, and a movement conveying member which conveys circular movement of the seesaw member to the linear movement of the shaft.