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Pallet fork with jewel pallets (pink) The pallet fork is above the balance wheel in this watch movement. The pallet fork is a component of the lever escapement of a mechanical watch. [1] The pallet fork and the lever form one component that sits between the escape wheel and the balance wheel. Its purpose is to lock the escape wheel, and release ...
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In the pin pallet escapement, these two faces are designed into the shape of the escape wheel teeth instead, eliminating complicated adjustments. The pins are located symmetrically on the lever, making beat adjustment simpler. Watches that used these escapements were called pin lever watches, and have been superseded by cheap quartz watches.
Federation of the Swiss Watch Industry: 1982 Bienne: Jean-Daniel Pasche Fortis (Swiss watchmaker) 1912 [1] Grenchen [1] Walter Vogt [1] Grenchen 40 Privately held company: Owner and CEO - Jupp Philipp Franck Muller: 1992 Geneva: Private company Franck Muller Frédérique Constant SA: 1988 Aletta and Peter Stas Geneva: Subsidiary of Citizen Holdings
Jewel bearing of a balance wheel, supported by a lyre-shaped spring. The Incabloc shock protection system is the trade name for a spring-loaded mounting system for the jewel bearings that support the balance wheel in a mechanical watch, to protect the wheel's delicate pivots from damage in the event of physical shock, such as if the watch is dropped.
The "Watch Valley" covers all the Swiss Jura Arc, from Geneva to Basel, and is the primary location of the Swiss watch-making industry.Beginning initially in 15th century Geneva, the cradle of the European time keeping industry, and spreading north east through the Jura Mountains, the great majority of the companies related to the Swiss watch-making industry were first established.
In watch movements the wheels and other moving parts are mounted between two plates, which are held a small distance apart with pillars to make a rigid framework for the movement. One of these plates, the front plate just behind the face, is always circular, or the same shape and dimensions as the movement.
Thomas Mudge, inventor of the lever escapement. The lever escapement, invented by Thomas Mudge in 1754 [18] and improved by Josiah Emery in 1785, gradually came into use from about 1800 onwards, chiefly in Britain; it was also adopted by Abraham-Louis Breguet, but Swiss watchmakers (who by now were the chief suppliers of watches to most of Europe) mostly adhered to the cylinder until the 1860s.
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