#$%^&*AU2018278999B220200116.pdf#####-76ABSTRACT OF THE DISCLOSURE An animal stunner for use in livestock/slaughterhouse operations has a piston slideable within an inner chamber, and a fire pressure chamber with an annular configuration disposed adjacent the rearward or central end of the inner 5 chamber. A stunning rod is driven forward by the piston to stun the animal and rearward to retract the rod. A valve system alternately controls flow of the pressurized fluid from the fire pressure chamber to the rearward end of the inner chamber to move the piston and drive the stunning rod. A catch system holds and releases the stunning rod. A compressed fluid supply is used to retract the 10 stunning rod between operation cycles. Handles employing triggers are used by the operator to hold the stunner and to activate the valve system, and cushion mount systems are attached between the handles and stunner housing to absorb shock while operating the stunner. JVS 120137099
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