Abstract: A pickleball score wristwatch device is disclosed that helps pickleball players to keep score of their game, know whose serve it is, and the service side. The pickleball score wristwatch device comprises a body component that is configured in a rectangular shape that comprises a plurality of buttons for operation. Specifically, the buttons keep track of the score, change between server one and two in doubles play, reset the game, select singles or doubles match play, and power on and off the device. Further, the body component comprises an electronic face that depicts a pickleball court. And, an adjustable, rubberized wrist strap is secured to either end of the body component, to wrap around a user's wrist for comfort and security of the body component.

Abstract: A pickleball score wristwatch device is disclosed that helps pickleball players to keep score of their game, know whose serve it is, and the service side. The pickleball score wristwatch device comprises a body component that is configured in a rectangular shape that comprises a plurality of buttons for operation. Specifically, the buttons keep track of the score, change between server one and two in doubles play, reset the game, select singles or doubles match play, and power on and off the device. Further, the body component comprises an electronic face that depicts a pickleball court. And, an adjustable, rubberized wrist strap is secured to either end of the body component, to wrap around a user's wrist for comfort and security of the body component.

Abstract: A crankshaft having a substantially cylindrical crank surface centered on a crank axis and a pair of axially confronting and axially spaced cheek surfaces flanking the crank surface and meeting the crank surface at respective fillets is ground by an apparatus having a shoe between the cheek surfaces and having an end directed at the crank surface and sides directed at and spaced inward from the cheek surfaces. A pair of side parts on the sides of the shoe each can move axially of the shoe relative to the crank axis and a flexible grinding band is stretched over the side parts and shoe. The crankshaft is rotated about the crank axis or an axis parallel thereto and the shoe is urged radially toward the crank axis to press the band against the crank surface. The crankshaft and the shoe between the cheek surfaces are relatively axially reciprocated and each of the side parts is urged axially outward away from the shoe to press the band axially against the cheek surfaces.