|  | G |
SECTION G — PHYSICS

INSTRUMENTS

|  | G01 |
MEASURING (counting Fulltext... Hierarchy... Expanded...G06M); TESTING

|  | G01G |
WEIGHING (sorting by weighing Fulltext... Hierarchy... Expanded...B07C 5/16)

|  | G01G |
Note(s) Attention is drawn to the notes immediately following the class title (Fulltext... Hierarchy... Expanded...G01).

|  | G01G 1/00 |
Weighing apparatus involving the use of a counterweight or other counterbalancing mass

|  | G01G 1/02 |
· | Pendulum-weight apparatus

|  | G01G 1/04 |
· · | the pendulum having a fixed pivot axis

|  | G01G 1/06 |
· · · | with a plurality of pendulums

|  | G01G 1/08 |
· · | the pendulum having a moving pivot axis, e.g. a floating pendulum

|  | G01G 1/10 |
· · · | with a plurality of pendulums

|  | G01G 1/12 |
· · | Constructional arrangements for obtaining equal indicative divisions

|  | G01G 1/14 |
· · | Temperature-compensating arrangements

|  | G01G 1/16 |
· · | Means for correcting for obliquity of mounting

|  | G01G 1/18 |
· | Balances involving the use of a pivoted beam, i.e. beam balances

|  | G01G 1/20 |
· · | Beam balances having the pans carried below the beam, and for use with separate counterweights

|  | G01G 1/22 |
· · · | for precision weighing

|  | G01G 1/24 |
· · | Platform-type scales, i.e. having the pans carried above the beam

|  | G01G 1/26 |
· · | with associated counterweight or set of counterweights

|  | G01G 1/28 |
· · · | involving means for automatically lifting counterweights corresponding to the load

|  | G01G 1/29 |
· · · · | with electrical or electromechanical control means [3]

|  | G01G 1/30 |
· · · | wherein the counterweight is in the form of a chain

|  | G01G 1/32 |
· · · | wherein the counterweights are in the form of rider-weights

|  | G01G 1/34 |
· · · | involving a fixed counterweight, with poise-weights selectively added to the load side

|  | G01G 1/36 |
· · · | wherein the counterweights are slidable along the beam, e.g. steelyards

|  | G01G 1/38 |
· · · · | with automatically-driven counterweight

|  | G01G 1/40 |
· · | specially adapted for weighing by substitution

|  | G01G 1/42 |
· · | Temperature-compensating arrangements

|  | G01G 3/00 |
Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances

|  | G01G 3/02 |
· | wherein the weighing element is in the form of a helical spring

|  | G01G 3/04 |
· · | using a plurality of springs

|  | G01G 3/06 |
· | wherein the weighing element is in the form of a spiral spring

|  | G01G 3/08 |
· | wherein the weighing element is in the form of a leaf spring

|  | G01G 3/10 |
· | wherein the torsional deformation of a weighing element is measured

|  | G01G 3/12 |
· | wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing

|  | G01G 3/13 |
· · | having piezo-electric or piezo-resistive properties [3]

|  | G01G 3/14 |
· · | measuring variations of electrical resistance (Fulltext... Hierarchy... Expanded...G01G 3/13 takes precedence)

|  | G01G 3/142 |
· · · | Circuits specially adapted therefor [3]

|  | G01G 3/145 |
· · · · | involving comparison with a reference value (Fulltext... Hierarchy... Expanded...G01G 3/147 takes precedence) [3]

|  | G01G 3/147 |
· · · · | involving digital counting [3]

|  | G01G 3/15 |
· · | measuring variations of magnetic properties

|  | G01G 3/16 |
· · | measuring variations of frequency of oscillations of the body

|  | G01G 3/18 |
· | Temperature-compensating arrangements

|  | G01G 5/00 |
Weighing apparatus wherein the balancing is effected by fluid action

|  | G01G 5/02 |
· | with a float or other member variably immersed in liquid

|  | G01G 5/04 |
· | with means for measuring the pressure imposed by the load on a liquid (pressure gauges per se Fulltext... Hierarchy... Expanded...G01L)

|  | G01G 5/06 |
· · | using electrical indicating means [3]

|  | G01G 7/00 |
Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups

|  | G01G 7/02 |
· | by electromagnetic action

|  | G01G 7/04 |
· · | with means for regulating the current to solenoids

|  | G01G 7/06 |
· | by electrostatic action

|  | G01G 9/00 |
Methods of, or apparatus for, the determination of weight not otherwise provided for

|  | G01G 11/00 |
Apparatus for weighing a continuous stream of material during flow; Conveyer-belt weighers

|  | G01G 11/02 |
· | having mechanical weight-sensitive devices

|  | G01G 11/04 |
· | having electrical weight-sensitive devices

|  | G01G 11/06 |
· | having fluid weight-sensitive devices

|  | G01G 11/08 |
· | having means for controlling the rate of feed or discharge (regulation of flow of fluent material Fulltext... Hierarchy... Expanded...G05D)

|  | G01G 11/10 |
· · | by controlling the height of the material on the belt

|  | G01G 11/12 |
· · | by controlling the speed of the belt

|  | G01G 11/14 |
· | using totalising or integrating devices (totalising or integrating devices per se Fulltext... Hierarchy... Expanded...G06)

|  | G01G 11/16 |
· · | being electric or electronic devices [3]

|  | G01G 11/18 |
· · · | using digital counting [3]

|  | G01G 11/20 |
· · | being mechanical devices [3]

|  | G01G 13/00 |
Weighing apparatus with automatic feed or discharge for weighing-out batches of material (for weighing a continuous stream Fulltext... Hierarchy... Expanded...G01G 11/00; check-weighing Fulltext... Hierarchy... Expanded...G01G 15/00; for fluids Fulltext... Hierarchy... Expanded...G01G 17/04; apportioning by weight materials to be mixed Fulltext... Hierarchy... Expanded...G01G 19/22)

|  | G01G 13/02 |
· | Means for automatically loading weigh-pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism

|  | G01G 13/04 |
· · | involving dribble-feed means controlled by the weighing mechanism to top up the receptacle to the target weight

|  | G01G 13/06 |
· · · | wherein the main feed is effected by gravity from a hopper or chute

|  | G01G 13/08 |
· · · | wherein the main feed is effected by mechanical conveying means, e.g. by belt conveyers, by vibratory conveyers

|  | G01G 13/10 |
· · · | wherein the main feed is effected by pneumatic conveying means, e.g. by fluidised feed of granular material

|  | G01G 13/12 |
· · | Arrangements for compensating for material suspended at cut-off, i.e. for material which is still falling from the feeder when the weigher stops the feeder

|  | G01G 13/14 |
· · | Arrangements for determination of, or compensation for, the tare weight of an unloaded container, e.g. of a disposable container

|  | G01G 13/16 |
· | Means for automatically discharging weigh receptacles under control of the weighing mechanism

|  | G01G 13/18 |
· · | by valves or flaps in the container bottom

|  | G01G 13/20 |
· · | by screw conveyers in the weigh receptacle

|  | G01G 13/22 |
· · | by tilting or rotating the receptacle

|  | G01G 13/24 |
· | Weighing mechanism control arrangements for automatic feed or discharge

|  | G01G 13/26 |
· · | involving fluid-pressure systems

|  | G01G 13/28 |
· · | involving variation of an electrical variable which is used to control loading or discharge of the receptacle

|  | G01G 13/285 |
· · · | involving comparison with a reference value (Fulltext... Hierarchy... Expanded...G01G 13/29 takes precedence) [3]

|  | G01G 13/29 |
· · · | involving digital counting [3]

|  | G01G 13/295 |
· · · | for controlling automatic loading of the receptacle [3]

|  | G01G 13/30 |
· · | involving limit switches or position-sensing switches

|  | G01G 13/32 |
· · · | involving photoelectric devices

|  | G01G 13/34 |
· · | involving mechanical linkage motivated by the weighing mechanism

|  | G01G 15/00 |
Arrangements for check-weighing of materials dispensed into removable containers (packaging aspects Fulltext... Hierarchy... Expanded...B65B)

|  | G01G 15/02 |
· | with provision for adding or removing a make-up quantity of material to obtain the desired net weight (dribble-feed means for automatic batch-weighers Fulltext... Hierarchy... Expanded...G01G 13/04)

|  | G01G 15/04 |
· | with provision for adding or removing a make-up quantity of material to obtain the desired gross weight (dribble-feed means for automatic batch-weighers Fulltext... Hierarchy... Expanded...G01G 13/04)

|  | G01G 17/00 |
Apparatus for, or methods of, weighing material of special form or property (determining weight by measuring volume Fulltext... Hierarchy... Expanded...G01F)

|  | G01G 17/02 |
· | for weighing material of filamentary or sheet form

|  | G01G 17/04 |
· | for weighing fluids, e.g. gases, pastes

|  | G01G 17/06 |
· · | having means for controlling the supply or discharge

|  | G01G 17/08 |
· | for weighing livestock

|  | G01G 19/00 |
Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups

|  | G01G 19/02 |
· | for weighing wheeled or rolling bodies, e.g. vehicles

|  | G01G 19/03 |
· · | for weighing during motion (Fulltext... Hierarchy... Expanded...G01G 19/04, Fulltext... Hierarchy... Expanded...G01G 19/07 take precedence) [3]

|  | G01G 19/04 |
· · | for weighing railway vehicles

|  | G01G 19/06 |
· · · | on overhead rails

|  | G01G 19/07 |
· · | for weighing aircraft

|  | G01G 19/08 |
· | for incorporation in vehicles (arrangements on vehicles Fulltext... Hierarchy... Expanded...B60P 5/00)

|  | G01G 19/10 |
· · | having fluid weight-sensitive devices

|  | G01G 19/12 |
· · | having electrical weight-sensitive devices

|  | G01G 19/14 |
· | for weighing suspended loads (Fulltext... Hierarchy... Expanded...G01G 3/00 takes precedence; incorporation of weighing devices in cranes Fulltext... Hierarchy... Expanded...B66C 1/40, Fulltext... Hierarchy... Expanded...B66C 13/16)

|  | G01G 19/16 |
· · | having fluid weight-sensitive devices

|  | G01G 19/18 |
· · | having electrical weight-sensitive devices

|  | G01G 19/20 |
· · | for weighing unbalanced loads

|  | G01G 19/22 |
· | for apportioning materials by weighing prior to mixing them (ratio regulation Fulltext... Hierarchy... Expanded...G05D 11/00)

|  | G01G 19/24 |
· · | using a single weighing apparatus

|  | G01G 19/26 |
· · · | associated with two or more counterweighted beams

|  | G01G 19/28 |
· · · | having fluid weight-sensitive devices

|  | G01G 19/30 |
· · · | having electrical weight-sensitive devices

|  | G01G 19/32 |
· · | using two or more weighing apparatus

|  | G01G 19/34 |
· · | with electrical control means

|  | G01G 19/36 |
· · | with mechanical control means

|  | G01G 19/38 |
· · | programme controlled, e.g. by perforated tape (programme control in general Fulltext... Hierarchy... Expanded...G05B 19/00)

|  | G01G 19/40 |
· | with provisions for indicating, recording, or computing price or other quantities dependent on the weight (indicating means for weighing apparatus Fulltext... Hierarchy... Expanded...G01G 23/18; recording means for weighing apparatus Fulltext... Hierarchy... Expanded...G01G 23/18; computers in general Fulltext... Hierarchy... Expanded...G06)

|  | G01G 19/41 |
· · | using mechanical computing means

|  | G01G 19/413 |
· · | using electromechanical or electronic computing means

|  | G01G 19/417 |
· · | with provision for checking computing part of balance

|  | G01G 19/42 |
· · | for counting by weighing

|  | G01G 19/44 |
· | for weighing persons

|  | G01G 19/46 |
· · | Spring balances specially adapted for this purpose

|  | G01G 19/48 |
· · | Pendulum balances specially adapted for this purpose

|  | G01G 19/50 |
· · | having additional measuring devices, e.g. for height

|  | G01G 19/52 |
· | Weighing appparatus combined with other objects, e.g. with furniture (with walking-sticks Fulltext... Hierarchy... Expanded...A45B 3/08)

|  | G01G 19/54 |
· · | combined with writing implements or paper-knives

|  | G01G 19/56 |
· · | combined with handles of tools or of household implements

|  | G01G 19/58 |
· · | combined with handles of suit-cases or trunks

|  | G01G 19/60 |
· · | combined vith fishing equipment, e.g. with fishing rods

|  | G01G 19/62 |
· | Over or under weighing apparatus [3]

|  | G01G 19/64 |
· | Percentage-indicating weighing apparatus, i.e. for expressing the weight as a percentage of a predetermined or initial weight [3]

|  | G01G 21/00 |
Details of weighing apparatus

|  | G01G 21/02 |
· | Arrangements of bearings (bearings per se Fulltext... Hierarchy... Expanded...F16C)

|  | G01G 21/04 |
· · | of knife-edge bearings

|  | G01G 21/06 |
· · | of ball or roller bearings

|  | G01G 21/07 |
· · | of flexure-plate bearings [3]

|  | G01G 21/08 |
· · | Bearing mountings or adjusting means therefor

|  | G01G 21/10 |
· · | Floating suspensions; Arrangements of shock-absorbers (shock-absorbers per se Fulltext... Hierarchy... Expanded...F16F)

|  | G01G 21/12 |
· · | Devices for preventing derangement

|  | G01G 21/14 |
· | Beams

|  | G01G 21/16 |
· · | of composite construction; Connections between different beams

|  | G01G 21/18 |
· | Link connections between the beam and the weigh pan

|  | G01G 21/20 |
· · | for precision weighing apparatus

|  | G01G 21/22 |
· | Weigh-pans or other weighing receptacles; Weighing platforms

|  | G01G 21/23 |
· | Support or suspension of weighing platforms (Fulltext... Hierarchy... Expanded...G01G 21/24 takes precedence) [3]

|  | G01G 21/24 |
· | Guides or linkages for ensuring parallel motion of the weigh-pans

|  | G01G 21/26 |
· | Counterweights; Poise-weights; Sets of weights; Holders for the reception of weights

|  | G01G 21/28 |
· | Frames; Housings

|  | G01G 21/30 |
· | Means for preventing contamination by dust

|  | G01G 23/00 |
Auxiliary devices for weighing apparatus

|  | G01G 23/01 |
· | Testing or calibrating of weighing apparatus [3]

|  | G01G 23/02 |
· | Relieving mechanisms; Arrestment mechanisms

|  | G01G 23/04 |
· · | for precision weighing apparatus

|  | G01G 23/06 |
· | Means for damping oscillations, e.g. of weigh-beams

|  | G01G 23/08 |
· · | by fluid means

|  | G01G 23/10 |
· · | by electric or magnetic means

|  | G01G 23/12 |
· · | specially adapted for preventing oscillations due to movement of the load

|  | G01G 23/14 |
· | Devices for determining tare weight or for cancelling out the tare by zeroising, e.g. mechanically operated (in connection with automatic loading Fulltext... Hierarchy... Expanded...G01G 13/14)

|  | G01G 23/16 |
· · | electrically or magnetically operated

|  | G01G 23/18 |
· | Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated (indicating or recording devices in general Fulltext... Hierarchy... Expanded...G01D)

|  | G01G 23/20 |
· · | Indicating the weight by mechanical means

|  | G01G 23/22 |
· · · | combined with price indicators

|  | G01G 23/24 |
· · · | involving logarithmic scales

|  | G01G 23/26 |
· · · | Drive for the indicating member, e.g. mechanical amplifiers

|  | G01G 23/28 |
· · · | involving auxiliary or memory marks

|  | G01G 23/30 |
· · · | with means for illuminating the scale

|  | G01G 23/32 |
· · | Indicating the weight by optical projection means

|  | G01G 23/34 |
· · · | combined with price indicators

|  | G01G 23/35 |
· · | indicating the weight by photographic recording

|  | G01G 23/36 |
· · | indicating the weight by electrical means, e.g. using photoelectric cells

|  | G01G 23/365 |
· · · | involving comparison with a reference value (Fulltext... Hierarchy... Expanded...G01G 23/37 takes precedence)

|  | G01G 23/37 |
· · · | involving digital counting

|  | G01G 23/375 |
· · · · | during the movement of a coded element [3]

|  | G01G 23/38 |
· · | Recording or coding devices specially adapted for weighing apparatus (computers per se Fulltext... Hierarchy... Expanded...G06; disc converters in general Fulltext... Hierarchy... Expanded...G08C)

|  | G01G 23/40 |
· · · | mechanically operated

|  | G01G 23/42 |
· · · | electrically operated

|  | G01G 23/44 |
· · · · | Coding devices therefor [3]

|  | G01G 23/46 |
· · · | Devices preventing recording until the weighing mechanism has come to rest [3]

|  | G01G 23/48 |
· | Temperature-compensating arrangements (Fulltext... Hierarchy... Expanded...G01G 1/14, Fulltext... Hierarchy... Expanded...G01G 1/42, Fulltext... Hierarchy... Expanded...G01G 3/18 take precedence) [3]