Enhanced Ratchet System for Screwdrivers with Interchangeable Rods and Advanced Safety Features
Legal Citation
Summary of the Inventive Concept
The present invention relates to an improved ratchet system for screwdrivers, featuring a detachable connection mechanism, torque limiter, dynamic rotation direction adjustment, integrated LED light source, and ergonomic grip design, enhancing user safety, efficiency, and versatility in various applications, including orthopedic surgery.
Background and Problem Solved
The original patent disclosed a ratchet system for screwdrivers, but it had limitations in terms of tool exchange, user safety, and adaptability to different screwing or unscrewing tasks. The new inventive concept addresses these limitations by introducing innovative features that improve the overall performance and usability of the screwdriver.
Detailed Description of the Inventive Concept
The enhanced ratchet system comprises a handle with a distal end featuring a detachable connection mechanism, allowing for easy tool exchange and reduced downtime. The system also incorporates a torque limiter to prevent over-tightening and improve user safety. Additionally, the predetermined rotation direction is dynamically adjustable based on the specific screwing or unscrewing task, improving versatility and efficiency. The system may also include an integrated LED light source, providing improved illumination and visibility in low-light environments. Furthermore, the screwdriver features an ergonomic grip design with adjustable handle angles, reducing user fatigue and improving overall usability.
Novelty and Inventive Step
The new inventive concept's novelty lies in the combination of a detachable connection mechanism, torque limiter, dynamic rotation direction adjustment, integrated LED light source, and ergonomic grip design, which collectively provide a significant improvement over the original patent. The inventive step is the integration of these features to create a more efficient, safer, and adaptable screwdriver.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept may include different connection mechanisms, such as snap-fit or threaded connections, or various torque limiter designs. Additionally, the system could be adapted for use with different types of screwdrivers, such as electric or pneumatic screwdrivers, or integrated with other tools, like pliers or wrenches.
Potential Commercial Applications and Market
The enhanced ratchet system has significant commercial potential in various industries, including orthopedic surgery, automotive, aerospace, and construction, where efficient and safe screwing and unscrewing operations are critical. The target market includes manufacturers of screwdrivers and other hand tools, as well as industries that rely heavily on these tools.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61B17/8875 |
| B | B25 | B25B13/463 |
| B | B25 | B25B15/04 |
| B | B25 | B25B23/0042 |
| A | A61 | A61B2017/00407 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Surgical and mechanical tool design, specifically focusing on precision screwdriver systems for orthopedic and general mechanical applications, involving mechanical engineering, medical device design, and precision tool mechanisms
Person of Ordinary Skill (PHOSITA) Profile
A mechanical engineer or tool designer with expertise in surgical instrumentation, familiar with ratchet mechanisms, connection systems, and ergonomic tool design, typically holding a bachelor's or master's degree with 3-5 years of practical experience in precision tool development
Obviousness Rationale
A PHOSITA would recognize that the PTD's enhancements represent predictable variations of the source patent's core ratchet system design. The additional features like detachable connections, torque limiters, and integrated lighting are well-known design improvements in precision tool technology. These modifications represent standard engineering problem-solving approaches to enhance tool functionality and user experience.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,238 |
|---|---|
| Title | Ratchet system for screwdrivers and its use |
| Assignee(s) | INNOPROD MEDICAL |