| http://www.w3.org/ns/prov#value | - r cases and releasably coupling said inner and outer cases and said front and back links, wherein the adjuster defines a resilient foot; the inner and outer cases, and the front and back links, being adjustable in a predetermined backset increment upon uncoupling said cases and links; and the adjuster including a member which is engageable by a person to cause said adjuster both to uncouple said c
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