Weighing scale apparatus
US5894112A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 26, 1997 |
| Grant date | Apr 13, 1999 |
| Priority date | — |
| Expiry date | Jun 26, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G19/07
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A low profile weighing scale for weighing and balancing aircraft and land vehicles. The electronic, strong, lightweight, economical and portable scale provides accurate and reliable results. The scale comprises: (a) a quadrilateral base having two sides and two ends, the base further having recessed load cell mounts, each load cell mount having a strain cavity disposed between two support positions, each support position having a threaded mounting screw aperture for reception of a mounting screw; (b) double ended shear beam load cells, each end of each load cell being mounted to a support position by a mounting screw; (c) a platform having a non-skid top surface for contact with a load and a bottom surface, the bottom surface having load cell recesses sized and aligned with the load cells, each load cell recess having an engagement surface; and (d) engagement members, each comprised of a load bearing, for moveably mating the platform to the load cells and effectively transferring a load force from the platform to the load cells, each load cell having a cupped surface for receiving a load bearing, load ball bearing being in simultaneous operational contact with a concave engagement …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.