Patent ID: 9062935
Filing Date: 2015-06-23
Classification: F41B,F41G

Abstract:
1. An archery bow sight assembly mountable to an archery bow, comprising: a sight block; an adjustment mechanism mounted to said sight block, said adjustment mechanism including a linkage arrangement including a plurality of pairs of linkage arms which can be expanded or retracted vertically downward relative to an upper base on said sight block; wherein the linkage arms in each pair are connected to each other in a pivotal x arrangement, and wherein each pair of linkage arms defines a pair of upper pivot points and a pair of lower pivot points; wherein a first pair of linkage arms is pivotally connected to said upper base at a first pair of upper pivot points, and wherein the remaining pairs of linkage arms are connected in series such that the upper pair of pivot points of each succeeding pair forms a pair of shared pivot points with the lower pivot points of the preceding pair; and, wherein the upper and lower pivot point pairs define respective desired sight point locations which are vertically adjusted by expansion and retraction of said linkage arrangement.