Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2005-09-20
2005-09-20
Arbes, Carl J. (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S564500, C029S606000, C029S717000, C029S732000, C029S735000, C112S470230, C140S101000
Reexamination Certificate
active
06944932
ABSTRACT:
A method and a corresponding apparatus provide for both the automatic lacing of a toroidal coil of a stator of a dynamo-electric machine, and the knotting of the end lacing terminal of the lacing cord, by using the same needle and the same thread-guide tube. The apparatus for lacing and knotting comprises an automatic control system that, accomplished the whole lacing operation on the coil, stops the rotation movement of the stator and drives the lacing needle according to a sequence of movements in order to form a plurality of linked rings closed one on the other for obtaining a closing chain on said end lacing terminal. A particular cutting system allows not generating scrap, i.e. undesired cord portions, accelerating the production process and increasing the system reliability.
REFERENCES:
patent: 3862493 (1975-01-01), Habegger et al.
patent: 3983826 (1976-10-01), Dunn
patent: 4558894 (1985-12-01), Detterbeck et al.
patent: 4563962 (1986-01-01), Muskulus
patent: 4614161 (1986-09-01), Frederick
patent: 02214445 (1990-08-01), None
patent: 06276710 (1994-09-01), None
Arbes Carl J.
Greenberg & Traurig, LLP
Phan Tim
Rzucidlo Eugene C.
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