Apparatus and method of transporting flats across a scale

Details Apparatus and method of transporting flats across a scale Apparatus and method of transporting flats across a scale

1988-12-29

1989-07-04

Miller, Jr., George H.

Weighing scales

With weigher loading or unloading means

198504, 198809, G01G 1900, G01G 1952, B65G 1500

Patent

active

048441880

ABSTRACT:
A mechanism for transporting flat articles, such as envelopes, onto and across the tray of a scale. A belt is trained about a combination of rollers received within slots of the tray which in combination with clamps supported by the tray are used to transport a flat onto the weighing scale. When a flat is to be weighed, it is transported onto the tray, the rollers are withdrawn below the tray by the belt and the clamps hold the flat securely against the tray. The tray is then oscillated and the weight of the flat is determined from the harmonic period of oscillation. Upon completion of weighing, the belt is placed into contact with the flat and rotated to remove the flat from the tray.

REFERENCES:
patent: 3119457 (1964-01-01), Thompson et al.
patent: 3299975 (1967-01-01), Stambera et al.
patent: 4049068 (1977-09-01), Kavanagh et al.

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