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The binary cam is a design for the pulley system of a compound bow. Craig Yehle, director of research and development at Bowtech Archery, received a patent [1] for the design on December 11, 2007. Bowtech started equipping its bows with the new cam design in the 2005 model year. [2] [3]
In 2016, 1,647 cases (or 36.4%) of the nation's patent cases were filed in the Eastern District, which was again more than the total number of lawsuits filed in the District of Delaware (455 cases or 10.1%), Central District of California (290 cases or 6.4%), Northern District of Illinois (247 cases or 5.5%) and Northern District of California ...
In modern archery, a compound bow is a bow that uses a levering system, usually of cables and pulleys, to bend the limbs. [1] The compound bow was first developed in 1966 by Holless Wilbur Allen in North Kansas City, Missouri , and a US patent was granted in 1969.
let-off (measure) – The difference between a compound bow's holding weight and draw weight. Expressed as a percentage of the draw weight; for example, a bow with a draw weight of 70 lb and holding weight of 14 lb would have 80% let-off. limb-driven rest (equipment) – A drop-away rest that is mechanically linked to one of a compound bow's limbs.
Drawing a bow, from a 1908 archery manual. A bow consists of a semi-rigid but elastic arc with a high-tensile bowstring joining the ends of the two limbs of the bow.An arrow is a projectile with a pointed tip and a long shaft with stabilizer fins towards the back, with a narrow notch at the very end to contact the bowstring.
The Plano cultures originated in the plains, but extended far beyond, from the Atlantic coast to modern-day British Columbia and as far north as the Northwest Territories. [ 4 ] [ 5 ] "Early Plano culture occurs south of the North Saskatchewan River in Saskatchewan and in the foothills of the Rocky Mountains north to the Peace River Valley of ...