Foldable Forklift Cabin Seat for Shorter Transport Length
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Solution Overview
Problem
The large length of the cabin in truck-mounted forklifts results in an excessively long overall length of the truck and forklift combination during transport.
Innovation Solution
A foldable seat mechanism in the forklift cabin that pivots around a horizontal and vertical axis, allowing the cabin to be shortened in the transport position, reducing the overall length of the truck and forklift combination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cabin is designed with a longer profile to accommodate the seat in a fixed position, then the operator comfort and accessibility are improved, but the overall length of the truck and forklift combination increases
Solution Approach 1:
The seat is made dynamically reconfigurable through a folding mechanism that allows it to pivot around a horizontal axis. In the operating position, the seat extends beyond the rear of the cabin providing excellent accessibility. In the transport position, the seat folds completely into the cabin, shortening the overall length. This dynamic transformation resolves the contradiction between operator comfort and transport length.
Solution Approach 2:
The seat assembly is segmented into movable and fixed parts, connected through a folding mechanism with horizontal and vertical axes. This segmentation allows the seat to be positioned in different configurations - extended for operation and retracted for transport - enabling the system to optimize both operator accessibility and overall length depending on the operational mode.
2Ease of operation
If the seat is designed to pivot around a vertical axis for entry/exit, then anatomically optimized entry and exit is achieved, but the mechanism complexity increases
Solution Approach 1:
The folding mechanism combines two rotational movements - pivoting around a vertical axis for entry/exit and folding around a horizontal axis for transport positioning - into a single integrated mechanism. This merging of functions reduces the overall complexity compared to having separate mechanisms for each movement, while still providing anatomically optimized entry and exit.
3Length of moving object
If the cabin is shortened to reduce overall length, then the transport efficiency is improved, but the weather protection for the seat surface is reduced
Solution Approach 1:
The seat folding mechanism dynamically positions the seat within the cabin during transport, ensuring it remains covered by the cabin structure for weather protection. The seat can be folded completely into the cabin or positioned at an angle, both of which protect the seat surface from external weather factors while maintaining the shortened cabin profile.
Data Source
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AI summary
Truck-mounted forklift, comprising: - a cabin (1) - a seat (3) for use by a driver located in the cabin (2), wherein the seat (3) is arranged to be foldable about a horizontal axis between a transport position and a usage position in the cabin (2) and the seat (3) is arranged to be pivotable about a vertical axis between an entry and exit position and a working position in the usage position.