Fusee Watch Movement. Web the fusee is effectively a continuously variable gear, its diameter increasing as the spiralled chain unwinds, requiring less torque to turn it and therefore compensating for the torque loss in the mainspring. In a fusee pocket watch, the barrel turns the fusee by pulling on the chain, and the fusee turns the pocket watch gears. The fusee is a conical pulley. The fusee presented its own problems however, including bulk and complexity, particularly in the manufacture of the chain. The force of the spring turns the barrel, which provides the pocket watch or clock with its power. This design differs from other Web a verge fusee antique watch is a type of mechanical pocket watch that uses a verge escapement mechanism and a fusee chain to maintain constant force on the mainspring for accurate timekeeping. Web the mainspring is coiled around a stationary axle (arbor), inside a circular box, called the barrel.
from www.tooveys.com
Web a verge fusee antique watch is a type of mechanical pocket watch that uses a verge escapement mechanism and a fusee chain to maintain constant force on the mainspring for accurate timekeeping. In a fusee pocket watch, the barrel turns the fusee by pulling on the chain, and the fusee turns the pocket watch gears. Web the mainspring is coiled around a stationary axle (arbor), inside a circular box, called the barrel. The fusee is a conical pulley. The fusee presented its own problems however, including bulk and complexity, particularly in the manufacture of the chain. The force of the spring turns the barrel, which provides the pocket watch or clock with its power. This design differs from other Web the fusee is effectively a continuously variable gear, its diameter increasing as the spiralled chain unwinds, requiring less torque to turn it and therefore compensating for the torque loss in the mainspring.
A fusee pocket watch movement, enamelled dial and gilt dust cover, the
Fusee Watch Movement The force of the spring turns the barrel, which provides the pocket watch or clock with its power. The fusee presented its own problems however, including bulk and complexity, particularly in the manufacture of the chain. In a fusee pocket watch, the barrel turns the fusee by pulling on the chain, and the fusee turns the pocket watch gears. The fusee is a conical pulley. This design differs from other Web the mainspring is coiled around a stationary axle (arbor), inside a circular box, called the barrel. Web the fusee is effectively a continuously variable gear, its diameter increasing as the spiralled chain unwinds, requiring less torque to turn it and therefore compensating for the torque loss in the mainspring. Web a verge fusee antique watch is a type of mechanical pocket watch that uses a verge escapement mechanism and a fusee chain to maintain constant force on the mainspring for accurate timekeeping. The force of the spring turns the barrel, which provides the pocket watch or clock with its power.
