Weighing scale of unitary construction
AssigneeMettler Instrumente AG
InventorWalter E. Kupper
Life of this patent
Estimating the term…
Abstract
A single unit made of a light metal or alloy preferably in a diecast process is shaped to constitute the frame, the levers, and hinged bearings of a platform scale. Even the measuring element can be integrated into this one-piece unit. The resultant scale has a very low profile and is particularly suitable for mass manufacture for applications not requiring excessive resolution as, for example, post office scales or scales for home use.
Claims10
In a weighing scale having load-receiving means and an elastically deformable measuring element, the improvement comprising
- mechanical means intercoupled between said load-receiving means and said measuring element to create load-dependent deformations in said measuring element, said mechanical means comprising a frame, a first and second lever, and means for swingably connecting said first and second levers to said frame;
- wherein each of said levers is T-shaped, each of said T's having a stem and a crossbar;
- wherein said stem of said first T is arranged parallel to said stem of said second T and at a predetermined distance therefrom;
- and
- wherein said measuring element is connected between said stems so that a load-dependent torsion is applied thereto.
In a weighing scale having load-receiving means and an elastically deformable measuring element, the improvement comprising
- mechanical means intercoupled between said load-receiving means and said measuring element to create load-dependent deformations in said measuring element, said mechanical means comprising a frame, a first and second lever, and means for swingably connecting said first and second levers to said frame:
- wherein said levers are V-shaped, each of said V's having a base and a first and second leg:
- wherein said V-shaped first and second levers extend in the same direction;
- wherein said mechanical means further comprises means for swingably connecting a first part of said first V-shaped lever and a second part of said second V-shaped lever to said frame;
- and
- wherein said measuring element is connected between the free end of said first lever and the frame connected end of said second lever.
Dependencies are inferred from the claim text.