Push-Pull Forklift Handler Layout for Unobstructed Operator View

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing push-pull handlers for lift trucks obstruct the view of the operator, limiting visibility during cargo handling operations.

Innovation Solution

A high visibility push-pull handler with a pantograph mechanism and unobstructed view window, featuring a faceplate assembly and frame assembly design that allows for an unobstructed view through the center, even in fully extended or retracted configurations, with streamlined hydraulic systems and compact component arrangement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a push-pull handler is used for cargo handling, then cargo handling capability is improved, but operator visibility is obstructed

Engineering Contradiction:

Improvecargo handling capabilityVSAvoidoperator visibility obstruction

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The handler is divided into multiple segments including a base assembly, a telescoping arm with multiple sections, and a cargo engagement assembly. This segmentation allows the handler to extend and retract while maintaining a compact profile that reduces visibility obstruction when not in use.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The handler employs a telescoping arm mechanism that dynamically extends and retracts based on operational needs. The arm can be extended to engage cargo and retracted to minimize visibility obstruction, providing dynamic adaptability between operational states.

Inventive Principle:

Principle #15Dynamics

2Length of moving object

If the handler structure is extended to improve cargo handling reach, then handling reach is improved, but the device complexity increases

Engineering Contradiction:

Improvehandler reachVSAvoidhandler structure complexity

Core Design Contradiction:

Length of moving objectVSDevice complexity

Solution Approach 1:

The telescoping arm utilizes a nested doll principle where multiple arm sections are nested within each other. The inner sections slide within outer sections, allowing the handler to achieve extended reach while maintaining a compact retracted length, effectively reducing structural complexity.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

Guides and rollers are introduced as intermediary elements to facilitate smooth telescoping motion between arm sections. These intermediaries simplify the mechanical interaction between nested sections, reducing friction and wear while enabling reliable extended reach.

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS12583720B2High visibility push-pull forklift attachment

Publication Date: 2026.03.24 RIGHTLINE EQUIPMENT INC

AI summary

A high visibility push-pull handler configured to be mounted on a lift truck. The handler comprising a frame assembly, a pantograph mechanism coupled to the frame assembly, and a faceplate assembly coupled to the pantograph mechanism. The hander is configured with a view window extending through the handler, the view window not obstructed by parts of the handler when the handler is in any normal operating configuration, including a fully extended configuration, a fully retracted configuration, and any configuration in between the full extended and fully retracted positions.