Motor Driven Spindle Assembly with Nested Motor and Floating Bracket
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing dispensers for paper products face challenges with motor placement, as the motor occupies valuable internal space and requires time-intensive fine tuning for reliable operation, often causing interference and increased dispenser size.
Innovation Solution
A motor driven spindle assembly where the motor is positioned within the spindle, supported by a bracket that allows axial movement, reducing interference and optimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the motor is positioned outside the spindle, then the motor has sufficient space for reliable operation, but the dispenser occupies more internal space and increases overall size
Solution Approach 1:
The motor is positioned inside the spindle, with the motor housing nested within the spindle interior. The bracket supporting the motor is also nested within the spindle, creating a compact nested arrangement that reduces overall dispenser size while maintaining motor functionality
Solution Approach 2:
The design transitions from a conventional side-mounted motor arrangement to an axial arrangement where the motor operates along the spindle axis. This dimensional reconfiguration allows the motor to fit within the spindle's internal volume while maintaining operational clearance through axial positioning
2Volume of moving object
If the motor is mounted within the spindle, then space is optimized, but the motor support structure interferes with motor operation and causes excessive current draw
Solution Approach 1:
The bracket is designed to allow axial movement of the motor relative to the spindle, enabling the motor to 'float' axially within the spindle. This dynamic positioning prevents interference between the motor and spindle components while maintaining secure support, eliminating excessive current draw issues
Solution Approach 2:
The bracket acts as an intermediary element between the motor and spindle, providing support while allowing controlled movement. The bracket's design with movable connections mediates the interaction between motor and spindle, preventing direct interference while maintaining structural support
Data Source
AI summary
A motor driven spindle assembly for a dispenser includes a spindle that defines an interior volume. A motor is disposed within the interior volume of the spindle and is operable to rotate the spindle. A bracket includes a plate, a first leg, and a second leg. The plate of the bracket is positioned within the interior volume of the spindle. Proximal end portions of the first and second legs are positioned at the plate. A distal end portion of the first leg is positioned within a first opening of a bushing such that the distal end portion of the first leg is slidable within the first opening along a lateral direction. A distal end portion of the second leg is positioned within a second opening of the bushing such that the distal end portion of the second leg is slidable within the second opening along the lateral direction.