Load carrying body
US6837668B1 · kind B1 · utility
11Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2000 |
| Grant date | Jan 4, 2005 |
| Priority date | — |
| Expiry date | Oct 25, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C3/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A floor constituted by a flexible belt (23), resting on the upper surface of a loadbearing base, has one end connected to a headboard (17) and the other end connected to a winch (28). A cable (33) has one end connected to the headboard and the other end connected to the winch. A guide system for the cable including a compensating mechanism (36, 56, 57) which varies the path of the cable during rotation of the winch, so as to compensate for a difference between the belt diameter and the cable diameter on the winch, the difference varying as the belt is wound and unwound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.