Stylus with Elastic Barrel for Variable Grip
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Solution Overview
Problem
Conventional styluses with slim designs often lack a satisfactory holding or operating feel due to their thinness, which is a challenge for manufacturers aiming to balance design aesthetics with user experience.
Innovation Solution
A stylus design featuring a pen barrel with a movable core and protrusions that expand and deform when aligned, providing a thicker grip for improved holding and operating feel, achieved through elastic deformation and a mechanism involving a first protrusion and second protrusion that switch between dislocated and aligned positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the stylus is designed with a slim size to satisfy the design trend of electronic devices, then the device becomes more aesthetically pleasing and compact, but the holding or operating hand feeling deteriorates
Solution Approach 1:
The stylus employs a dynamic structure where the pen barrel can transition between a compressed state (when stored in the electronic device) and an expanded state (when held by the user). The elastic component enables the pen barrel to automatically expand upon removal from the device, providing a thicker grip area that improves hand feeling while maintaining a compact form when stored.
Solution Approach 2:
The patent changes the physical parameters of the pen barrel by utilizing elastic deformation. The elastic component stores mechanical energy during compression and releases it to expand the pen barrel, thereby altering the thickness and dimensions of the grip area. This parameter change allows the stylus to provide good hand feeling without permanently increasing its stored size.
2Length of moving object
If the stylus is made thinner to fit compact electronic devices, then the device integration is improved, but the grip thickness and control precision worsen
Solution Approach 1:
The stylus transitions from a thin compressed state during storage to a thicker expanded state during use. The elastic component facilitates this dynamic transformation, allowing the pen barrel to expand to a thickness that provides better control and tapping precision only when the user is actively holding and using the stylus.
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
The stylus achieves a variable thickness in the pen barrel, enhancing user grip and control during tapping actions on touchscreens or touchpads, thereby addressing the issue of poor handling associated with thin styluses.
Implementation Method 1
the elastic component is compressed to generate elastic deformation. When the stylus is moved out of the electronic device, the elastic component restores to drive the first rod portion and the pen tip to move
Implementation Method 2
the first protrusion and the second protrusion are aligned with each other to make a part of the pen barrel expand and deform
Data Source
AI summary
A stylus suitable for an electronic device is provided. The stylus comprises a pen barrel and a core. The pen barrel has a sidewall and at least one first protrusion, and the first protrusion is located at an inner side of the sidewall. The core movably passes through the pen barrel. The core has a pen tip and at least one second protrusion. Under a first status, the first protrusion and the second protrusion are dislocated from each other. Under a second status, the first protrusion and the second protrusion are aligned with each other to make a part of pen barrel expand and deform.