but was struggling with rounding of the fastener corners upon removal. The Navy sought Snap-on to solve this dilemma. The solution, called the Flank Drive® Wrenching System, was issued two patents in 1965 and proved so popular that it spread throughout the Snap-on...
A conveyor employs a low-tension, direct drive conveyor belt, and a snap-on position limiter for ensuring proper engagement of the belt and a drive sprocket. The position limiter in
sprocket components shaped like a partial apostrophe and having peripheral drive teeth722. Two sprocket components couple together and mount on the drive shaft710to form a complete sprocket702. The drive shaft includes three channels744forming keyways for receiving protrusions on the sprocket components...