Patent ID: 6672794
Filing Date: 2004-01-06
Classification: A46B,Y10T

Abstract:
A brush coupling for a rotary drive shaft comprising a shaft coupling secured to an end of the drive shaft and a brush received by the shaft coupling, the shaft coupling having a shaft coupling recess for receiving the brush for rotation with the drive shaft and shaft coupling for tube cleaning, a sleeve mounted for sliding movement on the shaft coupling to open the shaft coupling recess for reception of the brush therein and to close the shaft coupling recess for retaining the brush, the shaft coupling having first and second retaining means, the sleeve having retaining means intermediate the said first and second retaining means, a spring member fitted over the shaft coupling in engagement with the shaft coupling first retaining means and with the sleeve retaining means so that the spring urges the sleeve into closing relationship with the shaft coupling recess to retain the brush within the recess for rotation with the shaft coupling and drive shaft, and the shaft coupling second retaining means for retaining both the sleeve and the spring on the shaft coupling.