Patent ID: 6920772
Filing Date: 2005-07-26
Classification: B21B

Abstract:
1. A pinch roll unit for either propelling or retarding a product moving along the pass line of a rolling mill, said pinch roll unit comprising: a pair of levers mounted for rotation about parallel first axes; roll shafts carried by said levers, each roll shaft being journalled for rotation about a second axis parallel to the first axis of its respective lever; pinch rolls carried by said roll shafts, said pinch rolls defining a gap therebetween for receiving said product; an electrically powered first motor; linkage means for mechanically coupling said first motor to said levers, said first motor being operable via said linkage means to rotate said levers about said first axes and to move said pinch rolls between open positions spaced from said product, and close positions contacting and gripping said product therebetween; and an electrically powered second motor for rotatably driving said pinch rolls.