Molded housing friction device having stable torque over temperature range
AssigneeReell Precision Manufacturing Corporation
InventorsDean Ruckle, Tyler Jacobs
Life of this patent
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Abstract
One aspect is an insert molded friction torque device with a rotatable shaft, a friction element mounted over the rotatable shaft in an interference fit, a rigid enclosure structure at least partially enclosing the friction elements, and a single-piece molded housing enclosing the friction element and at least partially enclosing the rigid enclosure structure such that a first portion of the housing is between the friction elements and the rigid enclosure structure within the rigid enclosure structure and a second portion of the housing is outside the rigid enclosure structure.
Claims15
An insert molded friction torque device comprising:
- a rotatable shaft;
- a friction element mounted over the rotatable shaft in an interference fit;
- a rigid enclosure structure at least partially enclosing the friction elements;
- and
- a single-piece molded housing enclosing the friction element and at least partially enclosing the rigid enclosure structure such that a first portion of the housing is between the friction element and the rigid enclosure structure within the rigid enclosure structure and a second portion of the housing is outside the rigid enclosure structure.
An insert molded friction torque device comprising:
- a rotatable shaft;
- a friction element mounted over the rotatable shaft in an interference fit;
- a rigid ring enclosure radially enclosing the friction elements and having at least one side opening to an inside of the ring enclosure;
- and
- a single-piece molded housing enclosing the friction element and at least partially enclosing the rigid ring enclosure such that a first portion of the molded housing is inside the rigid ring enclosure and between the friction element and the rigid ring enclosure structure and a second portion of the molded housing is outside the rigid ring enclosure.
An insert molded friction torque device comprising:
- a rotatable shaft;
- a friction element mounted over the rotatable shaft in an interference fit;
- a first rigid enclosure element mounted over the shaft on a first side of the friction element and a second rigid enclosure element mounted over the shaft on a second side of the friction element opposite the first, where the first and second rigid enclosure elements each have an outer diameter that is larger than a largest outer diameter of the friction element, thereby axially enclosing the friction element in between the first and second rigid enclosure elements;
- and
- a single-piece molded housing enclosing the friction element and at least partially enclosing the first and second rigid enclosure elements such that a first portion of the housing is between the friction element and first and second rigid enclosure elements within the first and second rigid enclosure elements and a second portion of the housing is outside the first and second rigid enclosure elements.
Dependencies are inferred from the claim text.