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Class Information
Number: 177
Name: Weighing scales >
Description: 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.










Class Number Class Name No. of Patents
177/244

Assembly support

56
177/246

Beam

38
177/251

Adjustable load-arm connection

21
177/247

Coarse and fine sliders

8
177/250

Counterweight retention

9
177/248

Plural counterweight pickup

9
177/252

Plural counterweights

6
177/249

Transmission interconnected with slidable counterweight

4
177/125

Check controlled

9
177/126

Collapsible, foldable, knockdown

132
177/127

With carrying case

21
177/245

Combined

310
177/25.11

Computer

67
177/30

Ancillary weigher

2
177/26

Computer and weigher independently operated by common load holder

2
177/27

Weighing beam dial and computing beam dial with separate poises

0
177/28

Separately pivoted beams

0
177/29

Tabular-type computer

0
177/25.12

Electrical

25
177/25.13

Digital

275
177/25.18

Combinatorial scales

322
177/25.14

Multiplying or dividing scales

120
177/25.16

Calorie counting

45
177/25.17

Counting

44
177/25.15

Price

250
177/25.19

Weight history

131
177/31

Independent computer scale and index

1
177/32

With adjustable linkage to weight offsetting means

1
177/33

Coaxial pointers

1
177/34

Tabular-type computer

5
177/43

Calibrated index arm

1
177/41

Externally movable table

2
177/42

Axially rotatable

1
177/35

Slidable poise moves table

0
177/44

Table integral with balance beam

1
177/36

Weigher moves table

0
177/40

Encased disc

1
177/37

Rotatable drum

0
177/39

With additional reading window in drum housing

0
177/38

With manually operated reading assistance

0
177/129

Convertible

2
177/131

Hand manipulatable load pickup device

21
177/130

Hand truck

10
177/DIG.3

Digitizers electrical

86
177/DIG.2

Digitizers mechanical

1
177/DIG.4

Digitizers non-sensing

1
177/59

Discharge from weigher to receiver

69
177/190

Equal arm type

10
177/194

With bias toward balance

1
177/195

By spring

1
177/196

Torsion bearing type

2
177/198

With check link

3
177/191

With counterweight manipulating means

7
177/192

Elongated flexible counterweight

2
177/193

With indicator tower

0
177/197

With longitudinally movable poise

3
177/150

Equal-arm beam transfer mechanism

2
177/177

Illuminated

54
177/178

Projected

22
177/161

Load guide

15
177/162

Chute

9
177/163

Rail

48
177/253

Load holder

54
177/260

Adjusting means

11
177/254

Fluid transmission

56
177/261

Movably mounted pivot

5
177/256

Pivotally interconnected transmission levers

65
177/257

Integrated force delivered by lever extension from interconnection

12
177/258

Separate lever loaded by load-holder levers

5
177/259

With additional serially connected lever

2
177/262

Scale pan

91
177/263

Suspended

24
177/255

Sway or tilt prevention

121
177/151

Load-holder transfer mechanism

9
177/152

Unitary with weigher

3
177/153

Transmission disconnect means

4
177/183

Lubricator

1
177/DIG.5

Magnets

26
177/154

Means holding load-driven element against motion

58
177/159

At indicator

4
177/156

At transmission mechanism

16
177/157

Balance beam

8
177/158

Plural beams

0
177/155

Separates bearing parts

6
177/264

Miscellaneous

27
177/DIG.6

Photoelectric

67
177/199

Plural distinct load holders with common evaluator

79
177/200

Load comparing type

56
177/58

Plural weighers on rotary support

36
177/DIG.7

Pneumatic controls

3
177/164

Preset

63
177/166

Ancillary pointer

2
177/167

Fixed index or dial

3
177/175

In transmission

2
177/176

Counterweight

2
177/173

Indicator structure

22
177/174

Rack connection

6
177/171

Lever balance-type beam

15
177/172

Load-arm length

10
177/165

Responsive to load receiver

89
177/168

Spring support

15
177/169

Effective length of spring

15
177/170

Lever

15
177/1

Processes

381
177/DIG.8

Rr motion

11
177/160

Sack support

16
177/DIG.9

Scale bearings

178
177/14

Selectively preset cycle flow terminator

0
177/201

Self-positioning

7
177/207

Buoyancy type

18
177/235

Counterweight type

8
177/237

Progressive counterweight pickup

1
177/236

Variable fulcrum

2
177/210R

Electrical current generating or modifying

147
177/210C

Capacitors

109
177/210EM

Electromotive or electromagnetic force

138
177/210FP

Frequency changes or pulse counts

147
177/211

Strain gauge

421
177/208

Fluid transmission to pressure gauge

103
177/209

Interconnected load-supporting expansible chamber

29
177/202

Offsets over or under load

4
177/216

Pendulum

4
177/220

Drives indicator through transmission mechanism

0
177/221

Flexible member

0
177/222

Gearing

1
177/223

Rectilinear rack

0
177/217

Plural opposed

0
177/219

Tape-driven

1
177/218

Translatable

0
177/224

Pointer fixed to pendulum

3
177/212

Repositioning in response to deflection under load

157
177/213

Electrically actuated poise

5
177/215

Speed control of poise

1
177/214

With indicator of poise position

5
177/225

Spring

66
177/229

Cantilever

307
177/232

Coil spring in sleeve casing

19
177/233

With vertical pointer slit

20
177/230

Force modifier connects spring and load-holder

12
177/231

Load-holder steadying structure and spring carried by casing

9
177/234

Magnified indication of spring deformation

5
177/226

Temperature compensator

3
177/228

Acts on spring

0
177/227

Modifies leverage

1
177/203

Supplemental weight offsetting means

3
177/205

Remote indicator

1
177/206

Slidable weight

2
177/204

Transferred responsive to self-positioning means

4
177/184

Shock absorber, damper

61
177/185

Electrical or magnetic

118
177/186

Indicator mechanism

7
177/189

Load holder

41
177/187

Load-holder transmission mechanism

62
177/188

Fulcrumed lever

12
177/132

Structural installation

86
177/142

Building

16
177/144

Furniture or room fixture

274
177/133

Geographic

33
177/134

Pit

73
177/135

With guard or shield

10
177/143

Refrigerator

5
177/136

Vehicle

291
177/140

Hand truck

23
177/141

Hydraulic weigher

106
177/137

Running gear springs

53
177/138

With indicator disconnect means

9
177/139

Unitary load transferrer and weigher

93
177/DIG.10

Telemetric

2
177/DIG.11

Vibrators

37
177/60

Weigher responsive material control

32
177/90

Alternating weigh chambers

5
177/91

Divided unit

8
177/94

Oscillating

3
177/95

Valve means correlated with weigh chamber

0
177/97

Mounted externally of weigh chamber

0
177/96

Opened by gravity

1
177/92

With relatively oscillating partition

3
177/93

Pivoted feed diverter

1
177/98

Feed diverter

7
177/99

With discharge valve

2
177/102

Oscillating

2
177/101

Siphon discharge

0
177/100

Valved discharge

0
177/114

Correlated feed and discharge

42
177/115

Oscillating weigh chamber

4
177/105

Discharge valve or gate

54
177/107

Closing initiates feed

2
177/113

Latch release

3
177/111

Mechanically interconnected with feed valve

3
177/106

Opening initiated by feed terminator

3
177/108

Power actuated

30
177/109

Clutched

6
177/110

Magnetically operated

3
177/112

With linkage operator

11
177/116

Feed

103
177/119

Conveyer

120
177/121

Variable speed

86
177/120

With feed cutoff

28
177/122

Sequentially actuated flow control means

36
177/123

Distinct controllers

46
177/117

Weigh chamber placement initiates flow

3
177/118

With receiver retainer

11
177/68

Flow terminator requiring external reset

2
177/71

Feed and discharge

2
177/72

Manually initiated discharge

0
177/79

Holding magnet

1
177/74

Latch release

0
177/78

Reciprocating closure

1
177/75

Sequential latch release

0
177/76

With magnetic operator

0
177/77

With serially connected switch

1
177/69

Plural feed, simultaneous cutoff

0
177/73

Receiver operated reset

0
177/70

Sequential feeding, plural ingredients

67
177/82

Overload removal

6
177/103

Plural chambers

29
177/104

With simultaneous discharge

3
177/62

Remote discharge station

1
177/83

Rotary

21
177/85

Electromagnetic latch release

1
177/84

Power-driven

14
177/86

With preliminary translation

0
177/87

Initiates feed control operation

0
177/88

By cam on weigh chamber

2
177/89

Stationary weigh chamber

1
177/61

Translatable among plural sources

1
177/63

With additional material-presence responsive means

4
177/64

Controlling feed

10
177/66

And discharge

8
177/67

Overload removal

1
177/65

To alternating weigh chambers

3
177/80

With external intercontrol

2
177/81

Initial partial charge

1
177/45

With alarm or signal

70
177/47

In balance

4
177/48

Electric

9
177/46

In unbalance

13
177/49

Of additional counterpoise

0
177/179

With bearing shield

12
177/180

With casing closure or shield

92
177/181

Transparent

27
177/182

Lens

3
177/238

With casing

157
177/239

Base

13
177/243

Penetrated by load-holder support

21
177/240

With standard

3
177/241

Carrying additional housing

10
177/242

Access opening in cylindrical wall

0
177/52

With conveying means handling successive receivers

50
177/53

Receiver presence responsive

8
177/54

Rotary

20
177/55

Separate weigh chamber

7
177/56

Separate weigh chamber

4
177/57

Simultaneously operated weigh chambers

3
177/124

With lock or seal

16
177/2

With recorder

30
177/10

External marker operator

2
177/11

Recorder element mounted on poise

1
177/6

Of both gross and tare on one record receiver

7
177/7

Responsive to means sensing removal of material

3
177/12

Responsive to timer, or completion of weighing operation

8
177/13

Weigher sets type

4
177/3

With computing or totalizing means

17
177/8

With record receiver advance

1
177/9

By weigher

1
177/4

With recording of a factor additional to weight

64
177/5

Weight identification

29
177/128

With repair or assembly means

47
177/50

With testing

412
177/51

Coin size

6
177/15

With total register

12
177/18

Cycle totalizer

4
177/23

Discharge valve operated

1
177/19

Single totalizer operated by plural weighers

2
177/21

By intermittently used one of plural weighers

4
177/20

By preliminary translation of rotary weighers

0
177/22

Weigh beam operated

0
177/24

Weigh chamber operated

2
177/16

Integrator of steadily flowing fluent material

67
177/17

Of distinct successive loads

11
177/145

With weigher loading or unloading means

386
177/148

Hand manipulatable weigher

64
177/149

Container type

13
177/147

Hoist

86
177/146

Jack

68
 
 
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