Multifunctional handheld applicator
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Solution Overview
Problem
Existing handheld applicators are limited by single-direction motion, lack of interchangeable attachments, and inability to reach difficult body areas without assistance, making them inefficient and requiring multiple devices for various functions.
Innovation Solution
A multifunctional handheld device with a handle, interchangeable attachments, a refillable reservoir, and powered components allowing reciprocal and oscillatory motion, enabling moisturizing, scratching, and massaging of hard-to-reach areas like the upper back.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple single-use devices are acquired to provide massage, material application, and other functions, then functional versatility is improved, but device complexity and cost increase
Solution Approach 1:
The patent combines multiple single-use devices (massage device, material applicator, scratch device) into one integrated handheld device. The handle assembly incorporates a motor, material reservoir, and control electronics, while the head assembly provides interchangeable attachments for different functions. This merging eliminates the need to carry and use multiple separate devices, reducing complexity while maintaining versatility.
Solution Approach 2:
The handheld device is designed as a universal tool that can perform multiple functions through a single device. The interchangeable head attachments allow the same handle assembly to serve as a material applicator, massager, or scratch device depending on the attachment used. This multi-functionality approach resolves the contradiction by providing adaptability without requiring multiple separate devices.
2Adaptability or versatility
If washcloth or manual devices are used to scratch or apply lotion, then functional capability is improved, but hygiene reliability deteriorates due to germ spread
Solution Approach 1:
The patent employs disposable or easily replaceable head attachments that can be discarded or sanitized after use. The head assembly is designed to be removable and replaceable, allowing users to discard contaminated attachments and use fresh ones. This approach maintains functional capability while resolving hygiene concerns by eliminating the need to repeatedly clean and reuse the same surface contact elements.
3Adaptability or versatility
If manual devices are used to reach difficult body areas, then functional capability is improved, but user effort and time consumption increase
Solution Approach 1:
The handheld device is designed for self-service operation, allowing users to independently reach and treat difficult body areas without assistance from another person. The extended reach capability and ergonomic design enable users to perform self-massage, self-application of materials, and self-scratching tasks that previously required another person's help, thereby saving time and eliminating dependency on others.
4Device complexity
If single-direction or single-mechanism motion is provided in powered applicators, then device simplicity is improved, but functional versatility deteriorates
Solution Approach 1:
The patent incorporates a motor-driven mechanism that provides dynamic motion to the head assembly. The motor can be configured to produce different types of motion (reciprocating, oscillating, rotating) depending on the attachment and application requirements. This dynamic capability allows the same device to perform multiple functions with different motion patterns, resolving the contradiction between simplicity and versatility by providing adaptive motion control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient, single-device operation for multiple functions on hard-to-reach areas without assistance, reducing germ spread and effort, and providing adjustable motion and interchangeable attachments for varied tasks.
Implementation Method 1
different pad attachments with magnetic bonds will be supplied, to perform the various functions
Implementation Method 2
a powered pump capable of dispensing material from the reservoir through a tube and out of an outlet onto the item attached to the head assembly
Data Source
AI summary
A multifunctional handheld applicator includes a handle having a material reservoir, an upper portion, and a lower portion. A mechanism housing is affixed to the upper portion of the handle and includes a motor operably connected to a drive gear. A pair of cam gears are mechanically engaged with and disposed on opposing sides of the drive gear. A cam is affixed to each cam gear, wherein each cam engages an opposing end of an actuator affixed to a head assembly that is operably connected to the mechanism housing. Activation of motor causes rotation of the drive gear, which causes the cams to make alternating reciprocal contact with the opposing ends of the actuator, thereby causing reciprocal side-to-side motion of the head assembly and the attached scrubbing pad. A pulley, cable, and spring assembly also causes reciprocal up-and-down motion of the head assembly via a sliding exterior handle portion.