Slotted Oxygen Sensor Socket for Lateral Impact Removal
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Solution Overview
Problem
Existing impact tools are ineffective for removing seized oxygen sensors in tight quarters or those with a form factor incompatible with traditional socket wrenches, as they fail to provide direct access and effective rotational driving force.
Innovation Solution
A specialty socket attachment with radially offset protrusions and a slotted design for air impact tools, allowing lateral access and rotational driving force offset from the fastener's centerline, enabling removal of seized fasteners in confined spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional socket wrench or impact tool is used, then direct access to the fastener is required, but this is impossible when the fastener is in tight quarters or has a non-traditional form factor
Solution Approach 1:
The tool transitions from a traditional axial impact approach to a lateral/radial impact approach. The offset protrusion receives impact forces from directions perpendicular to the fastener's central axis, enabling access to fasteners in tight quarters where axial approach is blocked. This dimensional change in force application allows the tool to access fasteners that are otherwise inaccessible to conventional socket wrenches.
Solution Approach 2:
The tool features an asymmetric design with a single radially offset protrusion rather than a symmetric annular structure. This asymmetric protrusion can be positioned at various radial offsets and angles to match different fastener geometries and access constraints, providing versatility for non-traditional form factors while maintaining structural simplicity.
2Force
If a hammer blow is applied to the fastener, then mechanical shock is delivered, but the shock wave is ineffective without applying a loosening torque
Solution Approach 1:
The radially offset protrusion creates an asymmetric force application point relative to the fastener's central axis. When impact force is applied to this offset protrusion, it generates both axial shock (through the fastener) and rotational torque (about the fastener axis) simultaneously. This asymmetric geometry converts linear impact energy into combined axial and rotational loading, effectively loosening seized fasteners.
Solution Approach 2:
The tool adds a rotational dimension to the impact force by offsetting the protrusion radially from the centerline. The impact force applied laterally to the offset protrusion creates a moment arm that generates torque about the fastener axis, supplementing the axial shock with rotational loosening action.
3Power
If an annular impact tool is used around the fastener, then rotational driving force is provided, but the tool cannot access fasteners in tight quarters or with incompatible form factors
Solution Approach 1:
The design extracts the essential rotational impact function from the conventional annular socket and concentrates it into a single radially offset protrusion. This simplified geometry can be accommodated in tight spaces where full annular sockets cannot fit, while still delivering the necessary rotational driving force through the offset impact mechanism.
Solution Approach 2:
The tool delivers rotational power through a lateral offset impact approach rather than through axial rotation of an annular socket. The radially offset protrusion receives impact forces from directions perpendicular to the fastener axis, converting lateral impact into rotational torque, enabling access to confined spaces.
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
Enables the removal of seized fasteners in tight spaces and those with non-traditional form factors, providing effective rotational force for accessing and removing oxygen sensors and similar threaded objects.
Implementation Method 1
A striking surface forms one or more recesses of a concave shape to receive in a rounded tool tip an air impact driver. The driver has an offset distal portion having an angular offset sufficient to allow a direction of an impact force directly laterally offset from a centerline of the output shaft.
Implementation Method 2
An outer surface incorporates at least one radially offset protrusion forming a wing body and having a planar striking surface that lies along a radial projection from a central axis on a plane that intersects central axis.
Data Source
AI summary
An oxygen sensor socket kit provides an air impact driver and at least one slotted socket forming an annulus forming an inside surface with a plurality rectangular flats parallel to and symmetrically arranged around a central axis. The slot is slot formed through the socket sidewall positioned in place of one or a portion of one of the rectangular flats. An outer surface incorporates at least one radially offset protrusion forming a wing body and having a planar striking surface that lies along a radial projection from the central axis on a plane that intersects central axis. A striking surface forms one or more recesses of a concave shape to receive in a rounded tool tip an air impact driver. The driver has an offset distal portion having an angular offset sufficient to allow a direction of an impact force directly laterally offset from a centerline of the output shaft.