Patent ID: 6663093
Filing Date: 2003-12-16
Classification: B25B,F15B

Abstract:
A rotary clamp comprising:a housing (3) having a first end and a second end in a direction of an axis; a clamp rod (5) having an outer peripheral portion, the clamp rod (5) being inserted into the housing (3) rotatably around the axis and being moved for clamping in a direction from the first end to the second end; guide grooves (26) formed in the outer peripheral portion of the clamp rod (5) peripherally in plural number, each of the guide grooves (26) having a width (W) and comprising a rotary groove (27) and a straight groove (28) which are provided in continuity with each other in a direction from the second end to the first end, the rotary grooves (27) as well as the straight grooves (28) being arranged in parallel with one another; a plurality of engaging members (29) supported by the housing (3) so as to be fitted into the guide grooves (26), respectively; a partition wall formed between the adjacent guide grooves (26), (26); and the partition wall having a minimum thickness (T) set to a value smaller than the width (W) of the guide groove (26).