Patent ID: 6691447
Filing Date: 2004-02-17
Classification: F41G

Abstract:
In a riflescope of the type that includes a housing, an adjustable member movably mounted within the housing, and an adjustment mechanism having a core mounted to the housing for rotation about an axis of rotation, the core restricted from moving along the axis of rotation, and the core in operative association with the adjustable member for adjusting the riflescope in response to rotation of the core, the improvement comprising:an adjustment knob coupled to the core for rotation therewith and extending from the housing a protrusion distance, the adjustment knob prevented from moving along the axis of rotation relative to the core; an index slide slidably supported on the adjustment mechanism for movement along a slide path extending along the axis of rotation between the adjustment knob and the core, the index slide threadably coupled to the adjustment knob for movement of the index slide along the slide path in response to rotation of the adjustment knob; a scale including a set of indicia arranged on the adjustment mechanism; and a datum located on the adjustment mechanism, the datum and the scale moving relative to each other in response to the movement of the index slide along the slide path and cooperating to thereby indicate to a user of the riflescope the amount of adjustment of the adjustment mechanism through multiple turns of the adjustment knob without increasing the protrusion distance.