Jump Starter Clamp Teeth Layout for Small Battery Terminals
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Solution Overview
Problem
Vehicle battery jump starter clamps often struggle to make sufficient contact with small vehicle battery terminals due to their thin shape and large gaps between clamp teeth, leading to inadequate clamping force for jump-starting.
Innovation Solution
A vehicle battery jump starter with terminal clamps featuring a housing, two jaws with multiple teeth, and a pivot point, allowing for two smaller gaps and enhanced clamping forces through a first and second clamping force exerted on the battery terminal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the jump starter clamp is made thin to reach difficult terminals, then accessibility is improved, but the gap between clamp teeth becomes large reducing contact sufficient
Solution Approach 1:
The clamp jaw is divided into multiple teeth segments rather than a single continuous jaw. This segmentation allows the clamp to maintain a thin overall profile for accessibility while creating multiple contact points through the teeth, ensuring sufficient contact with battery terminals even when the clamp is thin.
2Shape
If the clamp teeth have a large gap to maintain thin shape, then accessibility is improved, but clamping force on small terminals becomes insufficient
Solution Approach 1:
The clamp design incorporates local quality variations where the teeth have different characteristics - some teeth have larger gaps for accessibility while others have smaller gaps for enhanced contact. The engagement tooth portion specifically has reduced gap to provide concentrated clamping force on small terminals, while maintaining the overall thin profile of the clamp.
3Reliability
If the clamp has multiple teeth with smaller gaps, then contact sufficiency is improved, but device complexity increases
Solution Approach 1:
Multiple teeth are merged into a single integrated jaw component rather than being separate parts. This combining approach provides multiple contact points through the teeth while maintaining a simple single-piece construction, avoiding the complexity of assembling multiple separate components while still achieving sufficient contact with battery terminals.
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 design provides improved contact and engagement with vehicle battery terminals, enabling effective jump-starting even with hard-to-reach terminals by utilizing a first and second clamping force for enhanced clamping efficiency.
Implementation Method 1
a pivot point between the jaws and the handles... in response to a user squeezing the handles together, the user exerts a force FA and wherein in response to the user releasing the handles, the first terminal clamp is configured to exert a first clamping force FC1 at a first contact portion on a vehicle battery terminal and a second clamping force FC2 at the engagement tooth portion on the vehicle battery terminal
Data Source
AI summary
A device may include a first controller including a first electronic processor and a charge control circuit. A device may include a battery pack interface configured to receive a removable and rechargeable battery pack. A device may include a battery terminal clamp configured to engage with a vehicle battery terminal, the battery terminal clamp including: a housing defining two handles, two jaws having a plurality of teeth configured for engagement with the vehicle battery terminal, and a pivot point between the jaws and the handles, wherein the teeth define a first gap and a second gap separated by an engagement tooth portion.