Patent · US Active

Block-type prefabricated ramp

US11821213B2 · kind B2 · utility

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4References
4Claims
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Assignee

Inventors

Key dates

Filing dateNov 23, 2021
Grant dateNov 21, 2023
Priority date
Expiry dateNov 23, 2041

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A30/60
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A block-type modular ramp is to be provided in a place where a step or bump is formed. The block-type modular ramp includes block bodies arranged in a horizontal direction and stacked vertically to form a backbone, a fastening member for fastening the block bodies arranged in the horizontal direction to each other, a fixing pin for fixing the block bodies stacked vertically to each other, a fixing member coupled to the block bodies and fixing the block bodies to a floor surface where to install the ramp, fastening grooves formed in the block bodies, and fixing holes formed in the block bodies in an up-down direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.