Patent ID: 7331093
Filing Date: 2008-02-19
Classification: B23B,B23Q,B25B,Y10T

Abstract:
1. A pieces hold-unit comprising: a first support and a second support forming two parallel supports placed on a plane with at least said first support guided, controlled and movable with respect to said second support in order to approach and move said supports away from each other; a first clamp-holder shaft rotary mounted on said first support and controlled for rotating; and a second clamp-holder shaft mounted on said second support, said first shaft holding a hold-clamp opposite to a holding clamp held by said second shaft; and a gear-reduction unit including a first shaft drive supported by and movable with said first support carrying said first shaft to follow the movements of said first support and to cause a gradual rotation of said first shaft relative to said first support, wherein the gear-reduction unit comprises a motor connected and managed through a precision reducer, whose outlet is coaxial and flanged to the respective controlled clamp-holder shaft.