Importance

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Abstract

A device for accelerating and decelerating objects by introducing compressed gas into the bore of a housing. A piston is slidably mounted in the bore and has attached to it a cable which proceeds along the bore, through a first aperture near the first end of the housing, around a first pulley, along the exterior of the housing, around a second pulley, through a second aperture near the second end of the housing, and along the bore again before entering the piston and having the second end of the cable connected to the first end of the cable. A carrier is attached to the cable so that the carrier is near the second end of the housing when the piston is near the first end of the housing. Compressed gas can be introduced into the bore near the first end of the housing or near the second end of the housing. An exhaust valve located between the first end of the housing and the second end of the housing can be opened or closed, and a deceleration control valve located near the first end of the housing and closer to the first end of the housing than the exhaust valve can be adjusted. By selectively injecting compressed gas into the bore at the two locations and by controlling the exhaust valve and the deceleration control valve, at least five modes of oscillation may be achieved.

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First Claim