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Class Information
Number: 191
Name: Electricity: transmission to vehicles >
Description: Means for transmitting electrical energy between relatively moving objects. Generally involves the problem of transmitting electrical energy from fixed points to vehicles or other moving objects, or vice versa.










Class Number Class Name No. of Patents
191/45R

Collectors

41
191/47

Bar

2
191/48

Conduit plow

11
191/46

Convertible

1
191/95

Nonretracting trolley stops

0
191/45A

Suspended conveyors

15
191/49

Third-rail shoe

35
191/85

Trolley retrievers

7
191/86

Erector release

1
191/87

Fluid pressure erector

9
191/88

Spring erector

1
191/89

Toggle

1
191/90

Fluid pressure-retracted

4
191/91

Spring-retracted

1
191/92

Rope-actuated

0
191/93

Slack take-up

0
191/94

Weight-retracted

1
191/50

Trolley

16
191/51

Common wire passing

1
191/52

Detachable

1
191/72

Guards and finders

2
191/73

Constantly operative

1
191/74

Fixed

2
191/75

Spiral cam replacer

0
191/76

Star wheel

3
191/82

Normally inoperative

0
191/83

Automatic

3
191/84

Rope-actuated

0
191/77

Normally operative

1
191/78

Automatic

1
191/79

Rope-retracted

0
191/80

Lateral swing

0
191/81

Longitudinal swing

0
191/59

Heads

2
191/60.4

Axial slide

4
191/62

Ice clearers or preventers

3
191/60.2

Lateral swing

5
191/60.5

Pole couplings

3
191/59.1

Sliding contact

48
191/60

Swivel

2
191/60.1

Center bias

1
191/60.3

Vertical swing

12
191/61

Wheel to head contactor

2
191/63

Wheels

5
191/63.2

Lateral slide

0
191/63.5

Pin fasteners

0
191/63.1

Quick release

0
191/63.4

Slidable pins

0
191/63.3

Universal mount

0
191/54

Indefinite path

1
191/55

Bow

10
191/56

Roller

1
191/57

Multiple contact

11
191/58

Tandem

10
191/53

Nonunderrunning

5
191/64

Poles

8
191/65

Frames

9
191/71

Rope protectors

0
191/66

Stands

17
191/67

Fluid pressure erector

6
191/68

Spring erector

6
191/70

Tension or compression

7
191/69

Torsion

1
191/22R

Conductors

50
191/22C

At or below ground surface

15
191/23R

Conduit

38
191/24

Asymmetric

0
191/25

Closing

17
191/26

Draining

1
191/27

Heated

5
191/23A

Overhead conduit conductors

41
191/28

Special modifications

1
191/22DM

Rail, made of multiple materials

31
191/29R

Third rail

33
191/29DM

Conductor made from different materials

29
191/30

Protected

22
191/31

Closing

10
191/32

Supports

26
191/33R

Trolley

24
191/33PM

Cables made of multiple material

6
191/37

Crossings

7
191/35

Guarded

7
191/34

Nonunderrunning

4
191/39

Section insulators

25
191/36

Special intersections

1
191/44.1

Splicers

12
191/40

Supports

25
191/41

Catenary

14
191/42

Combined ears and insulator

2
191/43

Ears

2
191/44

Splices

1
191/38

Switches

13
191/9

Drawbridge and transfer table

1
191/12R

Flexible extensions

133
191/12C

Chain protectors

34
191/12S

Electric iron stands

2
191/12.2R

Reels

218
191/12.2A

Motor-operated

62
191/12.4

With connector plug or receptacle

160
191/10

Magnetic induction

87
191/1R

Miscellaneous

22
191/1A

Electroplating contact rolls

3
191/13

Plate conductor

12
191/14

Sectional conductor

15
 

Normally dead section

 
191/17

Magnetic circuit controller

2
191/18

Magnet on vehicle

12
191/19

Traveling controller

1
191/16

Magnetomechanical circuit controller

0
191/20

Mechanical circuit controller

2
191/21

Deformable conductor

3
191/15

Normally live section

10
191/2

Systems of distribution

54
191/7

Alternating-alternating

3
191/3

Convertible, multiple current source

11
191/5

Alternating direct

7
191/4

Internal and external

29
191/8

Safety cut-out

9
191/6

Sectional

27
191/11

Vehicle in series

10
 
 
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