US PATENT CLASS 177
Class Notes
Current as of: June, 1999
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DEFINITION
Classification: 177/
This class provides for (1) scales that determine the weight of articles or material, (2) the control of the supply of material to, with or without the discharge from, a weigh chamber responsive to accumulation of a predetermined weight of the material in the weigh chamber.
REFERENCES TO OTHER CLASSES
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting,
458, for a changeable exhibitor operated or controlled by a weigher.
73, Measuring and Testing,
296, for a weighing type liquid level gauge, and 433+, for specific gravity or density determination with a weighing feature. See the notes to Class 73 for the distribution of measuring and testing art.
131, Tobacco, 280+, for automatic weighers controlling the feed of tobacco to cigar or cigarette machines.
137, Fluid Handling,
161, and 162 for a gravitating vessel controlling a fluid pressure system and subclasses 403+ for a fluid handling system controlled by the weight accumulated fluid.
141, Fluent Material Handling, With Receiver or Receiver Coacting Means, appropriate subclasses for a weigher-receiver organization with handling in addition to supplying or removing receivers, or treatment subsequent to completion of a weighing phase, particularly
83, for mere determination of weight of contents of a receiver.
164, Metal Founding,
155.7, for a metal casting apparatus including control means influenced by a weight sensor.
194, Check-Actuated Control Mechanisms,
21, 35 and 47 for other check controlled weighing scales, and subclass 103 for the rejection of coins of improper weight.
198, Conveyors: Power-Driven,
959, for a conveyor having a weighing feature wherein there is some moving of the material besides that necessary to the weighing operation.
209, Classifying, Separating, and Assorting Solids, 510+, 592+, and 645+ for means for automatically sorting articles by weight, and subclass 239 for sifting with weighing.
212, Traversing Hoists,
283, for a traversing hoist with a weighing means which accomplishes more than the mere lifting and weighing of the load.
222, Dispensing,
55, for constant feed from a dispenser responsive to the weight of unrestrained material already discharged, subclass 58 for means responsive to the weight of material in a container for controlling its discharge, and subclass 77 for weighing-dispensing combinations involving means to weigh material already dispensed.
346, Recorders,
94, for a recorder operated by a weigher wherein there is included only so much of the weigher as is necessary to operate the recorder.
364, Electrical Computers and Data Processing Systems,
528.4, for weight control.
366, Agitating,
18, for mortar mixing devices including means for proportioning ingredients by weight, and subclass 141 for agitation with weighing. 374, Thermal Measuring and Testing,
14, for thermal gravimetric analysis.
406, Conveyors: Fluid Current,
23+, and 32+ for a fluid current conveyor including a weighing feature wherein there is some movement of the material besides that necessary to the weighing operation.
414, Material or Article Handling,
21, for weighing with handling of that class more than that necessary to the weighing operation.
702, Data Processing: Measuring, Calibrating, or Testing,
101+, for weight calibration or correction system, and subclasses 173+ for weight measurement system.
705, Data Processing: Financial, Business Practice, Management, or Cost/price Determination,
407, for a postage meter system including (a) a weighing device to determine the weight of an article and (b) an electrical computing arrangement to calculate a postage fee based on the determined weight;and subclasses 414+, for
determining the cost per unit weight of a material by an electrical computing arrangement.
D10, Measuring, Testing, or Signalling Instruments, 87+, for design of weighing machines.