Electronic balance having parallel rod guides and having a scale

Details Electronic balance having parallel rod guides and having a scale Electronic balance having parallel rod guides and having a scale

1986-02-11

1987-03-31

Miller, Jr., George H.

Weighing scales

Self-positioning

Spring

73 1B, G01G 308, G01L 2500

Patent

active

046536000

ABSTRACT:
In a parallel rod guide for electronic balances having a measured value sensor, typically corner load adjustments are made by adjusting the parallelism of the two rods and such adjustments are normally sufficient. However, this can eliminate only linearly load-dependent corner load errors. In order to eliminate corner load errors which are non-linearly dependent on the load, the present invention provides an adjustment assembly which varies the resilience of the fastening points on the system carrier side of at least one rod to horizontal forces. The adjustment assembly may comprise, a screw
ut connection whose position can be varied vertically therewith, varying the effective length of a resilient intermediate part.

REFERENCES:
patent: 3494435 (1970-02-01), Rouban
patent: 4485881 (1984-12-01), Tramposch et al.
patent: 4501160 (1985-02-01), Johnson
patent: 4561512 (1985-12-01), Tramposch
patent: 4598781 (1986-07-01), Tramposch
patent: 4606421 (1986-08-01), Schroeder

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