Electronic weighing scale using general purpose block member
US6472618B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2000 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Mar 27, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G7/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A weighing scale includes an integral block member having a load receiving portion for receiving a load of a scaled object; a fixing portion for fixing the integral block; and a Roberval portion having recessed portions between the load receiving portion and the fixing portion. The scale also includes a load transmitting beam; a member for transmitting displacement of the load transmitting beam and the load receiving portion to the load transmitting beam and for becoming a force point of the load transmitting beam; a fulcrum member of the load transmitting beam; and a fulcrum member attachment portion being formed on the integral block so that the fulcrum of the of the load transmitting beam is positioned in a space thereby constituting the weighing scale. The member for transmitting displacement of the load transmitting beam and fulcrum member of the load transmitting beam are formed separately from the integral block member. An integral block member may include a working guide recess. An integral block member may include a reinforcing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.