| CPC E05B 47/0012 (2013.01) [E05B 63/08 (2013.01); G07C 9/00571 (2013.01); E05B 9/084 (2013.01); E05B 41/00 (2013.01); E05B 2047/0017 (2013.01); E05B 2047/002 (2013.01); E05B 2047/0026 (2013.01); E05B 2047/0058 (2013.01); E05B 2047/0091 (2013.01); E05B 63/04 (2013.01)] | 13 Claims |

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1. A cylinder assembly for a mortise lock having a bolt and latch, the cylinder assembly allowing for the opening of a door with less than one full rotation of a knob, the cylinder assembly comprising:
a cylinder;
a shaft rotatably disposed within the cylinder;
a first cam operatively coupled to the shaft;
a second cam disposed on the first cam and rotationally adjustable relative to the first cam; and
a locator associated with the first cam for selectively fixing a rotational position of the first cam relative to the second cam in angularly displaced relation.
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