F - Mech Eng,Light,Heat,Weapons – 01 – B
Patent
F - Mech Eng,Light,Heat,Weapons
01
B
164/102, 113/69
F01B 15/00 (2006.01) B21D 24/02 (2006.01) F16F 9/02 (2006.01) F16F 9/54 (2006.01)
Patent
CA 1239836
Abstract of the Disclosure A nitrogen die piston-cylinder unit has a central post threaded at one end into a nitrogen mani- fold. The piston has an axial bore therethrough. A sleeve closed at one end is telescoped over the free end of the post and is vertically slideable thereon. The upper end of the post has an annular seal thereon in sliding sealed engagement With the bore of the sleeve. A key and keyway formed on the inside of the sleeve and the outside of the post are arranged to interengage when the sleeve is fully telescoped over the post to prevent relative rotation therebetween. The exposed end face of the sleeve is formed With recesses adapted to be engaged by a spanner wrench to enable the unit to be removed from the threaded port of the manifold when the key is engaged With the keyway.
482070
Marks & Clerk
Wallis Bernard J.
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