PEDESTRIAN-PULLED CART FOR PASSING STEPS
DE602015092609T2Inactive Publication Date: 2025-11-05COLLIBAULT JOSEPH
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Patent Information
- Application Number
- DE602015092609
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2014-12-02
- Filing Date
- 2015-12-01
- Publication Date
- 2025-11-05
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Technical Problem
Existing trolleys and suitcases struggle to navigate steps smoothly due to wheel design limitations, leading to jolts and the need for manual assistance, especially when encountering step nosings.
Method used
A trolley with a chassis, wheels, and a track that grips step nosings using a non-smooth outer surface, combined with a lifting module and retractable wheels, allowing seamless transition over steps with an optional motorized drive system.
Benefits of technology
Facilitates smooth passage over steps without user effort, eliminating jolts and discontinuities, enhancing mobility on irregular routes.
✦ Generated by Eureka AI based on patent content.
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