Stacker crane

The stacker crane design facilitates the sharing of components across different types by offsetting sheave positions and using symmetrical connecting plates, reducing costs through component reuse.

JP2025166689APending Publication Date: 2025-11-06MURATA MASCH LTD
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Patent Information

Application Number
JP2024070880
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-11-06

AI Technical Summary

Technical Problem

Existing stacker cranes face challenges in sharing components or units, which increases manufacturing and installation costs due to their diverse types, such as single-mast and double-mast cranes with varying configurations.

Method used

A stacker crane design that allows for the sharing of frame base members, sheave units, and masts by positioning the sheave offset from the center and using point-symmetrical mast connecting plates, enabling reversal of components without disrupting connections to the lifting platform, and allowing for common use across different crane types.

Benefits of technology

This design reduces manufacturing and installation costs by enabling the reuse of components across various stacker crane configurations, including single-mast and double-mast cranes, while maintaining operational functionality.

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Abstract

To provide a stacker crane that enables sharing of components, units, etc.SOLUTION: A stacker crane 1 includes a frame base member 50 extending in a longitudinal direction, a mast 10 attached below the frame base member 50 and at a position closer to a first end 51 than to a center in the longitudinal direction, a sheave unit 56 having at least one sheave 57 attached to the frame base member 50 at a position offset from a center in a width direction, and a wire 31 wound around the sheave 57 and extending downward from the sheave unit 56. The wire 31 extends downward along a center position of the mast 10 in the longitudinal direction.SELECTED DRAWING: Figure 1
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