Self-Stabilizing Screwdriver With Retracting Tip Protection

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Screwdrivers are difficult to hold in place while turning, especially for children and elderly individuals, and the sharp tip poses a safety hazard.

Innovation Solution

A self-stabilizing screwdriver with a housing and stabilizer legs that engage with a surface to maintain stability during use, featuring a ratchet system for easy turning and a safety mechanism to retract the tip.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a traditional screwdriver is used, then the device structure remains simple, but the user experiences difficulty in holding and aligning the screwdriver during operation

Engineering Contradiction:
Improveease of holding and aligningVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The screwdriver is divided into functional segments: a stabilizing base with legs, a rotating body, and a tip assembly. The legs can independently splay outward to provide stability, while the tip can independently retract for safety. This segmentation allows each component to perform its specific function without requiring the entire device to be complex.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The screwdriver incorporates dynamic elements including legs that can splay outward during operation to enhance stability, a tip that can retract into the housing for safety, and a rotating body that enables easy turning. These dynamic features adapt the device structure during operation to improve ease of use.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If the screwdriver tip is exposed for operation, then the screwdriver can function properly, but the sharp tip creates a safety hazard

Engineering Contradiction:
Improvetip accessibilityVSAvoidsafety hazard
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The tip is preliminarily positioned in a retracted state within the housing when not in use, eliminating the safety hazard. Before operation, the tip is extended through the housing to engage with the screw. This preliminary positioning ensures safety during storage and transport while maintaining functionality during operation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The housing acts as an intermediary between the sharp tip and the user/environment. When the tip is retracted, the housing provides a protective barrier. The housing can be rotated to extend or retract the tip as needed, mediating between safety requirements and operational requirements.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Measurement precision

If the screwdriver body is narrow for precise alignment, then the alignment precision improves, but the stability during turning deteriorates

Engineering Contradiction:
Improvealignment precisionVSAvoidstability during operation
Core Design Contradiction:
Measurement precisionVSStability of the object's composition

Solution Approach 1:

The stability problem is solved by adding another dimension - the stabilizing legs extend outward from the narrow body in a radial direction. This creates a wider base of support without increasing the width of the screwdriver body itself, thereby maintaining alignment precision while improving stability during operation.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The legs automatically splay outward when the screwdriver is placed on a surface, providing self-stabilization without requiring user intervention. The narrow body maintains its precision alignment capability while the legs independently provide the stability needed during turning operations.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20250319576A1Self-Stabilizing Screwdriver and Use Thereof
Publication Date: 2025.10.16 HANDY FAMM IP HOLDINGS LLC
  • US20250319576A1 patent drawing
  • US20250319576A1 patent drawing
  • US20250319576A1 patent drawing

AI summary

The disclosed technology includes a self-stabilizing screwdriver. In one example, the self-stabilizing screwdriver may include a housing defining a housing cavity and including a base, a screwdriver bit extending from the base such that at least a portion of the screwdriver bit is positioned outside the housing, and a stabilizer coupled to a lower portion of the housing. The stabilizer may surround the portion of the screwdriver bit positioned outside the housing and may be configured to hold the self-stabilizing screwdriver in an upright position such that the screwdriver bit is perpendicular to a surface when the self-stabilizing screwdriver is not in use. The stabilizer may include a bottom surface configured to engage with the surface and to reduce lateral movement of the self-stabilizing screwdriver when the self-stabilizing screwdriver is in use.