Patent ID: 6935804

Claim:
A clamping element, comprising: a machine part having a grooved rail with an undercut groove defining an insertion area and a groove base, the insertion area being narrower than the groove base; a parallelogram sliding block having side surfaces defining an insertion dimension, said sliding block being adapted to be arranged inside said groove of said grooved rail between said insertion area and said groove base thereof; a cam rail having at least a lower rail part and a web extending at a right angle with respect to said lower rail part; a blocking member connected to said sliding block, said blocking member being adapted to be arranged outside said groove of grooved rail on the opposite side of said insertion area of said groove with respect to said sliding block; said blocking member having a stop face abutting at said cam rail for fixing said cam rail at said grooved rail of said machine part by at least locally overlapping said lower rail part for clamping said cam rail to said machine part with said lower rail part abutting said grooved rail and with said sliding block inserted into said groove base; wherein said blocking member is provided with a blocking member groove and wherein said cam rail has a protruding portion extending into said blocking member groove, said blocking member groove and said protruding portion are adapted to cooperate with each other for the positive lateral fixing of said cam rail to said blocking member.