Draft protection device for a laboratory instrument, providing a weighing compartment of adjustable volume
US8299375B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2010 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Apr 1, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G21/286
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A draft protection device for a laboratory instrument according to the invention encloses a weighing compartment that surrounds a balance pan and includes a rear wall, a front wall, two sidewalls, a top cover with at least one opening, and a floor that is delimited by border edges. The top cover is connected at least to one of the two sidewalls and/or the front wall and/or the rear wall in an arrangement where the top cover and the walls connected thereto are vertically movable together in relation to the balance pan. In addition, the vertically movable wall(s) are vertically moveable past the adjacent border edge(s) of the floor. In any vertical position of the top cover, at least one of the sidewalls is horizontally slidable relative thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.