Multi-Motion Power Tool Drive for Simultaneous Cleaning Motions
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Solution Overview
Problem
Existing motorized cleaning tools are limited to rotating motions, and those capable of providing multiple motions often have complex drive mechanisms and programmed operating modes.
Innovation Solution
A multi-motion power tool design that includes a first shaft, gears, a rotating member, a yoke, a pin, and an oscillating link, allowing for simultaneous output of rotating, oscillating, and reciprocating motions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a motorized cleaning tool provides multiple motions, then cleaning versatility is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple motion outputs (rotating, oscillating, reciprocating) into a single integrated drive mechanism. The first shaft simultaneously drives the rotating member through a rotating member and the oscillating member through a yoke mechanism, merging multiple functions into one unified system rather than using separate mechanisms for each motion type.
Solution Approach 2:
The first shaft serves multiple functions simultaneously - it drives both the rotating member and the oscillating member, acting as a universal drive element. The yoke mechanism also serves dual purposes by enabling both oscillating motion and transferring power to the reciprocating motion system through the pin and slot arrangement.
2Adaptability or versatility
If a motorized cleaning tool provides multiple motions, then cleaning versatility is improved, but programmed operating modes are required
Solution Approach 1:
The patent merges all motion outputs onto a single shaft that operates simultaneously, eliminating the need for separate modes or switches. The rotating member, oscillating member, and reciprocating mechanism all operate together from one drive source, providing versatility without requiring the user to select between different operating programs.
3Device complexity
If a motorized cleaning tool uses simple rotating motion only, then device complexity is reduced, but cleaning versatility is limited
Solution Approach 1:
The patent segments the motion outputs into three distinct components (rotating member, oscillating member, reciprocating mechanism) that can independently perform different cleaning functions. This segmentation allows each component to be optimized for its specific motion type while maintaining overall system simplicity through their shared drive source.
Solution Approach 2:
The patent adds dimensional complexity to the drive mechanism by introducing oscillating and reciprocating motions in addition to the basic rotating motion. The yoke mechanism with its pin and slot arrangement creates motion in additional dimensions, transforming a simple rotary input into multi-directional output motions that enhance cleaning versatility.
Data Source
AI summary
A power tool is advantageously configured to provide a rotating motion, an oscillating motion, and a reciprocating motion. The power tool includes at least one motor, which is operable to drive these three different motions at the same time. The power tool includes a rotating member, which is configured to output a rotating motion. The rotating member is configured to attach to and detach from a rotating accessory. The power tool includes an oscillating member, which is configured to output an oscillating motion. The oscillating member is configured to attach to and detach from an oscillating accessory. The power tool includes a pin, which is configured to output a reciprocating motion. The pin is configured to provide the reciprocating motion to a reciprocating accessory. The power tool is configured to provide a connected accessory with the corresponding motion during operation.