escape wheel tooth造句

• The escape wheel tooth then imparts its energy on a second roller on the balance staff.
• During the extremities of the pendulum's swing, the escape wheel tooth rests against this locking face, providing no impulse to the pendulum, which prevents recoil.
• Mechanically its operation has similarities to the verge escapement, and it has two of the verge's disadvantages : ( 1 ) The pendulum is constantly being pushed by an escape wheel tooth throughout its cycle, and is never allowed to swing freely, which disturbs its isochronism, and ( 2 ) it is a " recoil " escapement; the anchor pushes the escape wheel backward during part of its cycle.