Grease Fitting Tool With Deformable Grip For Tight Spaces
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Solution Overview
Problem
Existing grease fittings, such as Zerk or Alemite fittings, are challenging to install or remove due to their small size and complex mechanical environments, often leading to loss or damage, especially in tight spaces where access is limited and oil or grease contamination is a concern.
Innovation Solution
A novel grease fitting installation tool with two tool heads and a deformable gripping member that securely engages the hexagonal collar of the fitting, allowing for easy manipulation and torque application, preventing the fitting from rotating or being lost during installation and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional hand tool is used to install grease fittings, then the operator has manual control, but the fitting may be dropped or lost due to limited access and small size
Solution Approach 1:
The grease fitting is retained within a hollow socket that fits over the fitting's hexagonal collar. The deformable cylindrical gripping member is nested within the hollow socket, creating a nested structure that securely holds the fitting throughout the installation process, preventing drops or loss even in tight spaces
Solution Approach 2:
The hand tool acts as an intermediary device between the operator and the grease fitting. The tool's hollow socket and deformable gripping member provide a secure interface that transfers rotational force from the operator to the fitting without direct hand contact, ensuring reliable retention and control
2Ease of operation
If the grease fitting is manipulated directly by hand, then dexterity is maintained, but torque application is insufficient for proper installation
Solution Approach 1:
The tool extends the operator's manual control into a new dimensional space by providing a lever arm. The handle extends from the hollow socket, allowing the operator to apply rotational force through a longer moment arm, thereby generating sufficient torque while maintaining precise control through the tool's guided motion
3Productivity
If the fitting is removed from the machine, then servicing is completed, but the fitting may be lost or damaged due to small size and grease contamination
Solution Approach 1:
The hollow socket provides a protective nested environment for the grease fitting throughout the entire servicing operation. The fitting remains contained within the socket from insertion through removal, protecting it from loss or damage while enabling complete servicing to be performed
Solution Approach 2:
The deformable cylindrical gripping member provides beforehand cushioning by deformably engaging the fitting's nipple portion. This deformable contact surface absorbs potential impact forces and provides gentle yet secure retention, preventing damage before it can occur during handling or removal
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 tool enables efficient and secure installation and removal of grease fittings in difficult-to-reach areas, reducing the risk of loss and damage by providing a robust grip and sufficient torque, even in low-visibility conditions.
Implementation Method 1
The gripping member may have an interior diameter smaller than the exterior diameter of the nipple of the grease fitting. This may enable the gripping member to deform around the nipple of the grease fitting when the grease fitting is inserted into the gripping member.
Data Source
AI summary
A grease fitting installation tool is disclosed. The grease fitting installation tool may include a hand tool useful for installing and uninstalling a grease fitting with a hexagonal collar, a threaded shank, and a nipple, i.e., a Zerk fitting. The hand tool may have a first tool head and a second tool head, each able to receive and manipulate a grease fitting. The first and second tool heads may be attached end to end, joining the heads in the center of a hand tool by a couple. The couple may have a wrench interface allowing the hand tool to be engaged by a wrench or other tool. Each tool head may include a hollow socket with a socket aperture and six internal contact surfaces that are hexagonally arranged. The tool head may also include a deformable, cylindrical gripping member disposed within the hollow socket for retaining the grease fitting when the grease fitting is inserted into the gripping member.