Metal working – Method of mechanical manufacture – Electrical device making
Patent
1982-04-15
1984-07-17
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29598, 29735, 242 703, 242 705B, H02K 1509
Patent
active
044597428
ABSTRACT:
To increase the slot fill of armatures wound on a flier type armature winding machine of the type having inner and outer commutator shields, the outer shield is retracted during a portion of each winding cycle for each coil to permit the rotating fliers to draw the wires nearer to the armature shaft and thus deeper into the coil receiving slots. The inner shield, which has notches for exposing a pair of commutator hooks, is rotated to position the notches outside of the paths of the wire when the outer shield is retracted. A tamper assembly is provided for engaging the coil ends immediately after they are wound. The tamper assembly includes tamper rods slidably supported by the winding forms and also includes actuators for pushing the tamper rods into engagement with the coil ends. The tamper assembly may be operated after each winding cycle or only after selected winding cycles. The tamper assembly is designed to cause the coil sides to be pushed into locations more centrally of, and deeper into, the coil receiving slots than naturally occurs by the operation of the fliers.
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The Globe Tool & Engineering Company, Drawing No. 66541, dated Jul. 22, 1963, titled Tamper Assembly.
Hall Carl E.
The Globe Tool & Engineering Company
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