Tripod Weight Plate Latch Layout for Interference-Free Stacking

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Solution Overview

Problem

Existing tripod stabilizing solutions are not durable, difficult to attach, non-compact, and cumbersome for storage and transport, leading to instability and potential damage to equipment.

Innovation Solution

A rectangular dense material plate with handles and latches, designed for easy attachment, compact storage, and transport, featuring a unique latch positioning to prevent interference during stacking.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If textile material or straps are used for attaching weight plates, then the attachment method is simple, but the durability and ease of attachment are poor

Engineering Contradiction:
Improveease of attachmentVSAvoiddurability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent replaces textile straps with a mechanical latch system consisting of a latch member, trigger member, and spring assembly. This mechanical system provides both durability through rigid components and ease of attachment through the trigger mechanism that allows quick engagement and disengagement without requiring manual manipulation of straps or knots.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The attachment system is divided into separate functional components: a latch member for securing the weight plate to the tripod leg, a trigger member for releasing the latch, and a spring for maintaining latch tension. This segmentation allows each component to be optimized independently for both strength and ease of operation.

Inventive Principle:
Principle #1Segmentation

2Volume of moving object

If lower density granular or modular weight material is used, then the weight plate can be compact, but the shape becomes non-compact and increases tripping hazard

Engineering Contradiction:
ImprovecompactnessVSAvoidtripping hazard
Core Design Contradiction:
Volume of moving objectVSObject-affected harmful factors

Solution Approach 1:

The weight plate uses a composite construction combining a dense material core (such as metal or dense plastic) with a molded housing. This allows the plate to maintain a compact, stable geometric shape while achieving the necessary weight for stabilization. The dense core material provides weight in a minimal volume, and the rigid housing maintains a predictable, non-tripping shape.

Inventive Principle:
Principle #40Composite materials

3Stability of the object's composition

If latches are positioned on weight plates for stacking, then the plates can be secured during transport, but the latches may interfere with each other when stacked

Engineering Contradiction:
Improvestacking securityVSAvoidlatch interference
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The latch members on adjacent weight plates are positioned asymmetrically relative to the centerline of the plates. Specifically, latches on alternating plates are offset to different sides, ensuring that when plates are stacked, the latches do not align vertically and therefore cannot interfere with each other. This asymmetric positioning maintains stacking security while eliminating latch interference.

Inventive Principle:
Principle #4Asymmetry

4Manufacturing precision

If tripod weights are designed for specific tripod models, then the fit is precise, but the adaptability to different tripods is limited

Engineering Contradiction:
Improvefit precisionVSAvoidtripod compatibility
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The weight plate and latch assembly are designed as universal components that can attach to various tripod leg types and dimensions. The latch member engages with a slot or opening in the tripod leg, and the trigger mechanism provides a standardized interface. This universal design allows the same weight plate to be used with different tripod models while maintaining precise attachment through the latch mechanism.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Provides enhanced tripod stability with a durable, easy-to-use solution that is compact and easy to transport, ensuring secure equipment support and preventing latch interference during stacking.

Implementation Method 1

the latches are tensioned with coil springs

Methodology Applied
Scientific EffectSpring: Spring

Implementation Method 2

Attaching the instant invention leg weights to the lower part of the tripod provides low center of gravity and thereby increases stability

Methodology Applied
Scientific EffectGravitation: Gravitation

Data Source

PatentUS12392447B1Tripod-stabilizing weight plates
Publication Date: 2025.08.19 ROBERTSON PIM SCOTT
  • US12392447B1 patent drawing
  • US12392447B1 patent drawing
  • US12392447B1 patent drawing

AI summary

A stabilizing weight for tripods is formed from a rectangular plate with handles and latches. When a set of three weights are stacked in a container for transport, the handle height and the position of the latches prevents the latches from interfering, regardless of the stacking order.