US 4,403,669 AGranted

Apparatus for weighing continuously-moving articles particularly useful for grading produce

AssigneeEshet Eilon

InventorOmri Raz

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Abstract

Apparatus for weighing continuously moving articles, and particularly useful for grading produce, comprises a plurality of parallel lines of trays for receiving the articles to be weighed, a weighing device at a weighing station in each line, and drive means for moving the trays in each line one-at-a-time longitudinally across the weighing device in its line. Each weighing device comprises two pairs of rails; one pair at each of its two opposite ends; and each tray comprises two rods extending transversely across the tray, one rod at each of its two opposite ends, engageable with the two weighing device rails, the arrangement being such that each tray is supported by its two rods engaging the two pairs of weighing device rails for a substantial portion of the movement of the tray across the weighing device in its respective line.

Claims10

Dependent claims

Apparatus for weighing continuously moving articles, comprising a plurality of trays for receiving the articles to be weighed, a weighing device, and drive means for moving said trays one-at-a-time longitudinally across said weighing device, characterized:

in that said weighing device comprises a first pair of rails at one end thereof extending parallel to and on opposite sides of its longitudinal axis, and a second pair of rails at the opposite end thereof extending parallel to and on opposite sides of its longitudinal axis;
and in that each of said trays comprises a first pair of contact points adjacent to the leading end thereof on opposite sides of its longitudinal axis engageable with one pair of rails during at least a portion of the movement of the tray across the weighing device, and a second pair of contact points adjacent to the trailing end thereof on opposite sides of its longitudinal axis engageable with the other pair of rails substantially concommittently with the engagement of the first pair of rails by said first pair of contact points, such that said tray is supported by said two pairs of contact points engaging said two pairs of rails for a substantial portion of the movement of each tray across said weighing device.

Dependencies are inferred from the claim text.