Patent ID: 6107715
Filing Date: 2000-08-22
Classification: B65G,F16F,H02K

Abstract:
A vibration driver, comprising:a housing;a plate carried by said housing and movable linearly with respect thereto, said plate having an impact portion;an electromagnet and a cooperating armature, one of said electromagnet and said armature connected to said housing, and the respective other connected to said plate, said armature spaced from said electromagnet;an elastomer block held at a position within said housing and arranged to be impacted by said impact portion of said plate upon movement of said plate, said impact portion shaped to create a concentrated pressure on an area of said block, said block supported at its ends as a beam;a fabric piece, attached to said elastomer block on a facing side of said elastomer block facing said portion of said plate, to provide an increasing, non-linear spring rate of said elastomer block as said portion moves into said elastomer block.