Block interlock offsetting key for use in the construction of a retaining wall
US5282700A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1993 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Mar 29, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D29/025
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to a block interlock offsetting key for use in the construction of a mortarless retaining wall wherein a plurality of blocks are stacked in offset rows or courses, the blocks of the wall being provided with top and bottom grooves. The block interlock offsetting key is able to interlockingly engage the bottom groove of a block and the top groove of an underlying block so as to offset the blocks a predetermined distance with respect to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.