| 摘要 |
A device for the cyclic acceleration and deceleration or braking of a mass over a short period of time. A mechanical or pneumatic spring is used to store during deceleration or braking the kinetic energy of the mass as it is slowed down. The stored or potential energy in the spring is then applied to the mass during acceleration. Two two-armed levers are coupled to the springs for transmitting energy between the mass and the spring. Locks or swivel pawls are used to couple and de-couple the mass to the levers such that the levers are moved in a manner to transfer the kinetic energy of the mass to the spring during the deceleration and to transfer the potential energy of the spring to the mass during acceleration.
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