Patent · US Expired

Weighing apparatus including a magnified, illuminated, moving indicator

US5631448A · kind A · utility

7Cited by
20References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 1994
Grant dateMay 20, 1997
Priority date
Expiry dateJan 14, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01D11/28
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A weighing apparatus including a load receiving platform, a dial, and a moving indicator. The dial includes a face bearing various indicia for indicating the weight of a load placed upon the platform. A magnifier is operatively associated with the indicator for magnifying only a limited portion of the face of the dial in proximity to the indicator. A lamp, carried by the indicator, illuminates a limited portion of the face of the dial in proximity to the indicator. A switch actuates the lamp upon placement of a load upon the platform.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.