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US 4,095,754 AGranted
Winding device and chuck therefor
AssigneeE. I. Du Pont de Nemours and Company
InventorEdgar Alfredo Campo
Life of this patent
Estimating the term…
Abstract
A slit web rewinding assembly is disclosed, including a winding device with a pivotal arm, a chuck, and a pressure-regulated fluid cylinder. The chuck includes at least one core retaining spring of special design and the fluid cylinder is universally connected to the arm by a ball and socket.
Claims11
A winding device comprising
- an arm
- a chuck comprising
- a mandrel fixed on one end of the arm
- a housing rotatably mounted on the mandrel and having at least one groove with a floor cut around the periphery of the housing
- a spring in at least one of the grooves wherein the spring comprises
- a bottom contacting the floor of the groove
- a plurality of cantilevered fingers joined to one edge of the bottom and extending out of the groove
- a socket fixedly mounted to the other end of the arm
- a base pivotally joined to the arm between the ends of the arm
- a fluid cylinder comprising
- a piston rod pivotally mounted on the base
- a cylinder casing operatively engaging the piston rod
- a ball carried on the casing mated with the socket to universally connect the fluid cylinder to the arm.
10 more elements
A winding device comprising
- an arm
- a chuck rotatably mounted on one end of the arm
- a socket fixedly mounted to the other end of the arm
- a base pivotally joined to the arm between the ends of the arm
- a fluid cylinder comprising
- a piston rod pivotally mounted on the base
- a cylinder casing operatively engaging the piston rod
- a ball carried on the casing mated with the socket to universally connect the fluid cylinder to the arm.
5 more elements
A chuck for holding cores without wobble comprising
- a mandrel
- a housing rotatably mounted on the mandrel and having at least one groove with a floor cut around the periphery of the housing
- a spring in at least one of the grooves wherein the spring comprises
- a bottom contacting the floor of the groove
- a plurality of cantilevered fingers joined to one edge of the bottom and extending out of the groove.
2 more elements
Dependencies are inferred from the claim text.