Metal deforming – By deflecting successively-presented portions of work during... – To form helical coil or tube
Reexamination Certificate
2007-07-26
2009-11-03
Ross, Dana (Department: 3725)
Metal deforming
By deflecting successively-presented portions of work during...
To form helical coil or tube
C072S135000, C072S142000, C072S420000
Reexamination Certificate
active
07610787
ABSTRACT:
A spring manufacturing apparatus100comprises: a wire feeder300; a wire guide320for guiding the wire; tool units400B and400D, a plurality of which can be slidable toward a spring forming space; a grip unit500having face-to-face fingers arranged to be adjacent to an end portion of the wire guide for gripping part of an yet-to-be-cut spring that has been formed primarily into a partially finished shape in the spring forming space; grip driving units520and530for executing reciprocal motion of the grip unit which is parallel to the wire axis line and rotational motion of the grip unit on the wire axis line; and an arm unit540extended forward from the forming table for holding the grip unit and grip driving unit through a holder550fixed to the end portion of the arm.
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German Office Action dated Aug. 4, 2008.
Japanese Office Action dated Nov. 4, 2008.
Kabushiki Kaisha Itaya Seisaku Sho
Merchant & Gould P.C.
Ross Dana
Sullivan Debra M
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