Liner coupling pin

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 29/00 (2006.01) F01D 25/00 (2006.01) F04D 7/04 (2006.01) F04D 29/40 (2006.01) F04D 29/60 (2006.01)

Patent

CA 2727554

A coupling pin for use in a pump housing, the pump housing including an outer casing and an inner pump liner, the coupling pin being suitable for locating the liner and casing relative to one another, the coupling pin including a shank and a head at one end of the shank. The head includes a cammed surface thereon which is adapted to co-operate with a follower on the liner, and a locating section on a remote or terminal end of the head which is adapted to be positioned against a seat in the outer casing when fitted. The arrangement is such that rotation of the coupling pin causes the follower to track along the cammed surface so as to cause relative movement between the outer casing and the inner pump liner.

La présente invention concerne une cheville de raccordement destinée à lutilisation dans un logement de pompe. Le logement de pompe comprend un boîtier extérieur et une douille de pompe intérieure, la cheville de raccordement étant adaptée pour loger la douille et le boîtier lun par rapport à lautre. La cheville de raccordement comprend une tige munie dune tête à son extrémité. La tête comprend une surface munie de cames adaptée pour coopérer avec un fouloir sur la douille et une section de logement à une extrémité éloignée ou terminale de la tête, adaptée pour être positionnée contre un siège dans le boîtier extérieur, lors du montage. La disposition est telle que la rotation de la cheville de raccordement entraîne le fouloir, qui suit la surface à cames de manière à provoquer un mouvement relatif entre le boîtier extérieur et la douille de pompe intérieure.

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