Application Number: AU 2024216385
Pipe wrench
An improved pipe wrench with a button assembly where the toothed member moves in a radial direction relative to the button base, allowing better engagement with the tooth row and preventing accidental disengagement during operation. This advancement eliminates the disadvantages of conventional approaches while improving overall performance and user experience.
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This patent presents an innovative advancement in hand tools – wrenches, addressing key challenges faced by professionals and consumers in the field.
The Problem
Conventional pipe wrenches require axial pressing of the button to disengage and adjust jaw span. The button with integrated toothed member limits engagement with the tooth row. Additionally, accidental downward force can cause dangerous disengagement. These limitations reduce efficiency and create operational challenges in professional and consumer settings.
Traditional approaches lack the flexibility and effectiveness required for modern applications. The need for improvement has been clear as industries evolve and user expectations increase.
What This Invention Does
An improved pipe wrench with a button assembly where the toothed member moves in a radial direction relative to the button base, allowing better engagement with the tooth row and preventing accidental disengagement during operation. This advancement eliminates the disadvantages of conventional approaches while improving overall performance and user experience.
The design philosophy focuses on practical functionality combined with improved durability and efficiency. By addressing fundamental limitations, this invention offers a compelling solution for the sector.
Key Features
- Radial movement mechanism. Toothed member moves radially relative to button base for better tooth row engagement
- Improved stability. Design prevents accidental disengagement even if subjected to downward force
- Faster adjustment. Simplified mechanism for quick jaw span adjustment
- Enhanced durability. Better tooth engagement reduces wear and extends tool life
Who Is Behind It?
The applicant Proxene Tools Co., Ltd. from Australia is advancing innovation in this field. The inventor Chang-Ming Wu, Arthur Wu bring practical expertise to this development. The patent was filed on 27 August 2024 with priority date 27 August 2024 in Taiwan.
Why It Matters
This invention addresses real-world challenges faced by professionals and users in hand tools – wrenches. By improving efficiency, reducing safety concerns, and simplifying operations, the technology has potential application across multiple market segments.
The innovation reflects growing awareness of the need for better design solutions that balance functionality with user experience. As the sector continues to evolve, patents like this demonstrate the ongoing effort to improve established tools and systems.
Related Concepts
A pipe wrench is an adjustable wrench designed to grip and turn threaded pipe and pipe fittings. The classic Stillson-pattern design uses serrated hardened-steel jaws that bite into softer pipe metal, with the jaw geometry intentionally allowing slight play that tightens grip under forward handle pressure.
The wider category of adjustable wrenches covers many tool designs where a movable jaw allows a single tool to fit multiple fastener sizes. Reliable occupational safety depends on tools that maintain secure engagement under load, making accidental-disengagement prevention a key design requirement for hand tools used in plumbing and pipework.
AU 2024216385 was published in the Australian Official Journal of Patents on 19 March 2026 and is open for public inspection. Patent applications represent inventions that are sought to be protected and do not necessarily reflect commercially available products.
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