Retaining means for revolver cylinders

In a firearm including a frame, a hammer mounted in the frame, a barrel, a cylinder opening between said hammer and said barrel, a bore in the wall of the cylinder opening beneath said hammer, a cylinder rotatably mounted in said opening and tiltably movable out of said opening for the loading and extraction of cartridges therefrom, said cylinder having a centrally disposed bore, a hollow cylinder axle telescopically fitted within said cylinder bore, a cartridge extraction mechanism, said mechanism including an extractor rod having an inner end and an outer end, a star shaped member at the outer end of said rod, the improvement comprising a resilient bushing fitted in that end of the cylinder bore adjacent said hammer, said end of the cylinder bore having a recess therein, said recess being of lesser diameter than the diameter of the remainder of the bore, a projection extending into said recess, means on said bushing cooperating with said projection to fix said bushing against rotation, retaining means on the inner wall of said cylinder axle, retaining means on the outer wall of said bushing, whereby when said cylinder axle is moved axially in said cylinder bore from the barrel end of said frame toward said hammer, said cylinder axle retaining means and said bushing retaining means engage with each other and connect the bushing to said cylinder axle.