Roller jack for ISO-type containers
US11993453B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2020 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Mar 30, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In one embodiment, a roller jack includes: caster wheel attached to jack lift attached to an angle member having an angle member opening, and a locking mechanism to releasably lock the angle member to a corner block of a container through an elongated opening of the corner block. The locking mechanism includes: a locking mechanism baseplate having a baseplate protrusion, a swivel locking plate to be inserted through the angle member opening and the elongated opening of the corner block to the interior of the corner block, and a locking bolt for moving the swivel locking plate to an engaged position, where the swivel locking plate is prevented from passing through the angle member opening and the elongated opening of the corner block, and for threadingly moving the swivel locking plate toward the locking mechanism baseplate to press the angle member and the external wall of the corner block together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.