Weighing apparatus with standstill condition indicating means
AssigneeMettler-Toledo AG
InventorRudolph Bachmann
Life of this patent
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Abstract
Weighing apparatus including a stability display indicator (SA) arranged adjacent the load read-out display (RA) for indicating when the movement of the load-receiving member relative to the housing has diminished to a quasi-stable condition within a given tolerance range, thereby to shorten the time required to perform one or more weighing operations. An automatic standstill detector (ASD) contains a control system which, upon change of a tolerance range display, for example, by darkening or illuminating individual indicators matched up with the tolerance ranges, signals the moment at which the load receiving member achieves a given quasi-stable standstill condition.
Claims8
Weighing apparatus of the type including a load-receiving member (P) resiliently supported for movement relative to a stationary housing, comprising:
- (a) load sensing means (GS) for generating a weight signal (x) that is a function of the applied load to be weighed;
- (b) load display means (RA) responsive to said weight signal for providing a display that is a function of the magnitude of the applied load;
- (c) stability detecting means (ASD) responsive to the movement of the load-receiving member relative to the housing for determining when the degree of stability of the load-receiving member during a load measurement falls within one of a plurality of progressively smaller predetermined tolerance ranges (TW1-TW4);
- and
- (d) stability display means (SA) connected with said stability detecting means and arranged adjacent said load display means for simultaneously indicating with the load display that one of the tolerance ranges (1-4;
- 7, 8) that corresponds with the actual quasi-stable condition of the load-receiving member.
Dependencies are inferred from the claim text.