Patent ID: 6704984
Filing Date: 2004-03-16
Classification: B25B,Y10T

Abstract:
A prewinder apparatus selectively attachable to a drive tool for prewinding a helical coil insert, the prewinder apparatus comprising:a support structure selectively attachable to the drive tool; a prewinder attached to an end of said support structure, said prewinder including a first threaded aperture; a mandrel having a threaded end and a coupling end, wherein said threaded end is in selective threaded engagement with said first threaded aperture; a drive sleeve disposed about the mandrel, said drive sleeve having an adjustable first stop and a second stop configured to regulate the movement of the mandrel; and wherein said coupling end is in selective operable engagement with the drive tool, whereby the drive tool rotatably drives said mandrel relative to said prewinder for rotatably driving the helical coil insert through the second threaded aperture to prewind the helical coil insert.