Abstract: An extension platform for a beam balance scale and the combination of such a platform with a beam balance scale. The extension platform includes a generally planar upper surface and a lower surface having a grid of reinforcing ribs formed thereon subdividing the lower surface into a plurality of compartments. The lower surface is given a seating projection which depends therefrom and is configured and dimensioned to snap in place over the peripheral rim of the load-receiving platform of a beam balance scale of preselected size. The beam balance scale is thus rendered more accurate when used in the weighing of fibrous low bulk density materials.

Abstract: A high speed weighing scale for use in a continuous mail sorting and postage imprinting system which automatically weighs and meters each piece of mail. The system is designed to rapidly handle a large quantity of mixed mail. Mixed mail is continuously and synchronously fed in seriatim along a continuous feed path. Unsealed envelopes have their flaps wetted and sealed. All the envelopes are stopped at a weighing station where they are weighed, and the postage corresponding to their particular weight is computed. The determined postage value is used to continuously reset a postage meter which imprints the required postage upon each envelope as it arrives at a metering station. The metering and weighing functions of the system are synchronized such that the postage meter will imprint the proper postage upon each piece of mail, despite the fact that several envelopes may be simultaneously in transit along the feed path.