Material Handling Vehicle Clamping Assembly for Cart Alignment

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Solution Overview

Problem

Existing material handling vehicles lack efficient mechanisms for securely transporting and managing multiple carts during loading and unloading operations, particularly in ensuring carts are properly aligned and secured before movement.

Innovation Solution

A material handling vehicle equipped with a clamping assembly and a cart spacer, featuring a clamping bar with main and auxiliary clamps, and a platform with a post assembly, allowing for secure positioning and alignment of multiple carts through a clamping mechanism that transitions between closed and open states.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If multiple carts are loaded on the platform without a clamping mechanism, then the loading capacity is increased, but the carts cannot be securely held and may move during transportation

Engineering Contradiction:
Improvenumber of cartsVSAvoidsecurity of carts
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The clamping assembly is divided into multiple independent clamps (main clamp and auxiliary clamps) that can independently secure different carts on the platform. Each clamp acts as a separate securing unit, allowing multiple carts to be held securely simultaneously.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple clamps are integrated into a single clamping assembly that moves together as one unit. The clamping bar connects all clamps, allowing them to be actuated simultaneously while maintaining individual clamping action on each cart.

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If a clamping assembly with multiple clamps is added to secure multiple carts, then the security of carts is improved, but the device complexity increases

Engineering Contradiction:
Improvesecurity of cartsVSAvoidclamping assembly structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The clamping assembly serves multiple functions: it can secure different numbers of carts (1-4 carts), adjust clamp positions along the platform, and provide both main and auxiliary clamping points. This multi-functionality reduces the need for multiple separate devices.

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

Solution Approach 2:

The clamps are designed to be movable along the platform rather than fixed in position. This dynamic capability allows the same clamping assembly to adapt to different cart configurations and numbers, reducing overall system complexity.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the main clamp extends farther from the clamping bar than auxiliary clamps, then the main clamp can reach carts in different positions, but the auxiliary clamps may not provide sufficient coverage

Engineering Contradiction:
Improveclamp reach capabilityVSAvoidauxiliary clamp coverage
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

Different clamp types (main clamp and auxiliary clamps) are designed with different extension lengths suited to their specific functions. The main clamp extends farther to reach carts at various positions, while auxiliary clamps provide localized support where needed, creating optimal local clamping conditions for each cart position.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP4624305A1Clamping assembly for material handling vehicle
Publication Date: 2025.10.01 RAYMOND LTD
  • EP4624305A1 patent drawingFigure 1
  • EP4624305A1 patent drawingFigure 2
  • EP4624305A1 patent drawingFigure 3

AI summary

A material handling vehicle (100) includes a platform (170), and a post assembly (202) attached to the platform (170), the post assembly (202) comprising one or more vertical posts (210, 212, 214) and one or more horizontal posts (220, 222, 226). A clamping assembly (204) is secured with the post assembly (202) and including a clamping bar (254), the clamping bar (254) including a plurality of clamps. A cart spacer (906) is secured with one of the horizontal posts (220, 222, 226), the cart spacer (906) including a first spacer wing (936) and a second spacer wing (936) spaced from the first spacer wing (936). The first spacer wing (936) and the second spacer wing (936) are configured to move between a first position and a second position.