Westcoast Cylinders Inc.

Sean A Campbell

Brian Rooney

Edward Foucher

Chris McGregor

Craig Fisher

Gul Raiz Farooqi

An anti-rotation system having a replaceable keyway is disclosed, wherein the system comprises a housing having a bore extending along an axis of the housing, and a housing aperture extending from an outside surface of the housing to the bore and extending along the housing parallel to the axis of the housing; a member configured to slide within the bore along the axis of the housing; an insert defining a keyway removably mounted on the housing wherein the keyway extends at least partially into the housing aperture; and a key carried by the member and engaged with the keyway defined by the insert; wherein the key cooperates with the insert to resist rotation of the member about the axis of the housing.

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Burnaby, Canada

Sean A Campbell