Articulated arm for transferring fluid products balanced by means of a spring over a wide range of movement
US6416086B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2000 |
| Grant date | Jul 9, 2002 |
| Priority date | — |
| Expiry date | May 31, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D9/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention proposes an articulated arm for transferring fluid products comprising two tubular sections (7, 8+2) connected to each other by a rotating joint (3) with a horizontal axis, and one of which, mobile in rotation, has an angular reference configuration in which it is balanced despite the effect of gravity. A balancing device (4, 10) compensates for variations in the effect of gravity on this mobile tubular section as a function of the orientation of this vis-a-vis the vertical, it is mounted between a fixed reference portion and a linkage portion of the mobile tubular section which is at a distance other than zero from the axis of rotation; it includes a spring (10) which tends to return the mobile section to its angular reference configuration (it is then idle) and applying to the mobile tubular section a force which is approximately proportional to the distance between this linkage portion and the location of this linkage portion in the angular reference configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.