Patent ID: 6503211
Filing Date: 2003-01-07
Classification: A61H

Abstract:
A pneumatic chiropractic thruster adapted to be connected to a source of compressed air supply comprising in combination:a body portion including a thruster head element carried in a horizontal bore within said body portion for biasing the head element; said head element being freely moveable against one end of a spring biasing means within the body portion; a piston reciprocally moveable within the body portion and acting against an opposite end of said spring biasing means; a chamber behind the piston communicates with an air outlet port within the body; said body having an air supply source bore with an inlet port; trigger operated valve means carried by the body portion and located between the air inlet port and the outlet port for delivery of air from the source to the outlet port and the chamber upon operation of the valve means; said outlet port being connected to the chamber behind said piston to receive the air supply and drive the piston forwardly towards and into contact with the head element; and an adjustable control valve interposed between the outlet port and chamber for selectively changing the amount of air under pressure supplied to drive the piston forward.