Forced extension caster assembly
US7540509B1 · kind B1 · utility
8Cited by
14References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2008 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Nov 19, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B33/0089
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A caster assembly with a horizontally orientated arm is attached to a base plate of a rack during a travel state and a stored state. A leveling foot with a flat portion and a non-flat portion is inserted through a slot on the arm and a hole on the base plate such that during the travel state, the horizontal orientated arm is in a fully extended position, and during the stored state, the horizontal orientated arm is in a non-extended position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.