Patent ID: 9083210
Filing Date: 2015-07-14
Classification: H02K,Y10T

Abstract:
1. A silicon steel assembly, comprising: a first cover comprising a first inner ring and plural first protrusions disposed around and connected with the first inner ring, each first protrusion having a receiving part that includes a third positioning structure axially extended and protruded on a side wall of the receiving part; a second cover comprising a second inner ring and plural second protrusions disposed around and connected with the second inner ring, each second protrusion having a recess that includes a first positioning structure axially extended and protruded on a side wall of the recess, each recess of the second cover conforming to and coupling with a corresponding receiving part of the first cover; a plurality of tooth members circularly disposed around an axis and accommodated within respective receiving part of the first cover and within respective recesses of the second covers, the tooth members having post parts and arc parts, the arc parts are collectively define a circular profile around the axis, and the post parts are extended from the arc parts and away from the axis, each post part having a second positioning structure axially extended and disposed on a side wall of the post part that engages with a corresponding third positioning structure of the first cover and a corresponding first positioning structure of the second cover to maintain a position of the tooth member within the receiving part and the recess, wherein, when in the position, the upper-half portions of said post parts of said tooth members are accommodated within respective receiving parts of the first protrusions of the first cover, the lower-half portions of the post parts of said tooth members are accommodated within respective recesses of the second protrusions of the second cover, and the tooth members extend outwardly beyond a distal end of the first and second protrusions; and an outer ring, wherein the first cover, the tooth members and the second cover are combined together to form a combination structure, and the outer ring is sheathed around an outer periphery of the combination structure.