Apparatus movably adhering to a wall and adapted to carry a cleaning apparatus
US3958652A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1974 |
| Grant date | May 25, 1976 |
| Priority date | — |
| Expiry date | Dec 10, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S180/901
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an apparatus movably adhering to a wall and which may include a cleaning apparatus or coating apparatus affixed thereto for removing rust and paint from the vertical or inclined walls of large structures such as ships, oil-tanks or the like or for finishing bead welds thereon, and more particularly to an apparatus movable along a wall comprising four magnetic or vacuum adhering members which alternately adhere to the wall two by two as they are operated by remote-control to move the apparatus in the desired direction on the vertical or inclined wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.