#$%^&*AU2017100547A420170615.pdf#####ABSTRACT A shearing handpiece including a barrel (7) having a crank spindle (1) supported for rotation within an inner chamber (7a) of said barrel (7), the crank spindle (1) having a front end, a rear end, and a middle portion intermediate said front and rear ends thereof, the front end of the crank spindle being supported by a front bearing (6) located within the inner chamber (7a), a middle bearing (8) located within the inner chamber (7a) for supporting the middle portion of the crank spindle (1), and a sealing cap (10) secured to a rear opening of the inner chamber (7a), the sealing cap (10) having a central opening (9) through which the rear end of the crank spindle (1) passes.('3 000
