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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 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. Compound bows are widely used in target practice and hunting.
Franz Albert Nürnberger II (1854–1931) is regarded as one of the greatest German bow makers. [1] He was trained in bowmaking by his father Franz Albert I (1826–1894), son of Karl Gottlieb, in Markneukirchen. Albert Nürnberger established his own shop around 1880. He trained his son, Carl Albert (1885–1971), who also used his brand. [2]
The Blohm & Voss BV 138 Seedrache (Sea Dragon) was a trimotor flying boat designed and built by the German aircraft manufacturer Blohm & Voss.It served as the Luftwaffe ' s primary seaborne long-range maritime patrol and naval reconnaissance aircraft operated by the Luftwaffe during the Second World War.
A drain cleaner, also known as drain opener, refers to a person, device, or product used to unblock sewer pipes or clear clogged wastewater drains.This term typically applies to chemical, enzymatic, or mechanical tools such as commercial chemical cleaners, plumber’s snakes, drain augers, bio-enzyme solutions, or toilet plungers.
The second version, the Argus II, was designed to be smaller and easier to implant, and was co-invented by Mark Humayun of the USC Eye Institute, who had been involved in the clinical testing of the Argus I. [12] [11] The Argus II was first tested in Mexico in 2006, and then a 30-person clinical trial was conducted in 10 medical centers across ...
Loading a roll-on/roll-off passenger car ferry. A bow visor is a feature of some ships, in particular ferries and roll-on/roll-off ships, that allows the bow to articulate up and down, providing access to the cargo ramp and storage deck near the water line.
The first bow collector was designed by the German engineer Walter Reichel in 1889 and shown at the World Expo in Paris the same year. [1] Reichel worked closely with Ernst Werner von Siemens, and with Siemens being a dominating force in the development of tramways in Europe, the bow collector quickly became the standard solution on the continent for collecting current.