Clamping device

Application Number: 00108134
Application Date: 2000.04.28
Publication Number: 1271640
Publication Date: 2000.11.01
Priority Information: 1999/4/28 JP 123037/1999; 1999/12/6 JP 346824/199
International: B23Q3/02;B25B11/00
Applicant(s) Name: SMC
Inventor(s) Name: Takahashi Ichigi
Patent Agency Code: 11038
Patent Agent: sun zheng
Abstract A clamp apparatus comprises a cylinder unit (14) for displacing a rod member (32) provided at the inside of a body (12) in an axial direction of the body (12), and a link plate (72) for being connected to the rod member (32), and it further comprises a toggle link mechanism (64) for converting rectilinear motion of the rod member (32) into rotary motion, an arm (20) for making rotation by a predetermined angle in accordance with a driving action of the cylinder unit (14), and a guide roller (79) supported by the body (12), the guide roller (79) being rotatable while making contact with a curved surface (81) of the link plate (72).