Patent ID: 6702504
Filing Date: 2004-03-09
Classification: B23H,B25B,F16B,Y10T

Abstract:
An apparatus for fixing and non-rotatably clamping threaded shafts, comprising:a hollow tubular housing means having a central bore defining a central longitudinal axis; said hollow tubular housing means comprising an aperture means extending in a radial direction with regard to said central longitudinal axis and having a rectangular cross sectional shape; a clamping means adapted to be slidably received in said aperture means and having a front surface means provided with thread convolution means; and an operating means adapted to slidably move said clamping means received in said aperture means towards said central bore means and to lock a threaded shaft inserted into said bore means; wherein said operating means comprises an annular rotating collar means located around said hollow tubular housing means and having an inner circular surface with a radially, gradually enlarging recessed portion facing said clamping element, thereby adapted to move said clamping means towards said bore means upon rotation of said collar means.