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Class Information
Number: 193
Name: Conveyors, chutes, skids, guides, and ways >
Description: Includes devices limited to guiding material either vertically, horizontally, or at an inclination.










Class Number Class Name No. of Patents
193/2R

Chutes

158
193/2A

Chute connections

39
193/24

Counterweight

1
193/2E

Cup

0
193/2D

Endless gravity

17
193/25R

Flexible wall

45
193/25AC

Ammunition chutes

13
193/25B

Balloon or inflatable members

54
193/25C

Extensible, flexible chutes

38
193/25FT

Feed tracks

26
193/25E

Individual elements

25
193/25A

Open-face chutes

23
193/25S

Resilient conduit or spring construction

5
193/10

For rotary drum

43
193/7

Fruit

11
193/9

Grain drill

1
193/16

Horizontal and vertical swing

41
 

Horizontal swing

 
193/23

Multiple-point discharge

41
193/22

Swiveled sections

22
193/3

Loading or trimming

35
193/8

Mail

10
193/32

Retarder

94
193/14

Sectional, multiple-point discharge

14
193/12

Spiral

37
193/13

Switch

3
193/31R

Switch

25
193/31A

Chute switches

38
193/4

Unloading

31
193/6

Extensible trough

30
193/5

Vehicle wall supported

34
193/2C

Variable capacity troughs

11
 

Vertical pipe

 
193/29

Multiple-point discharge

29
193/30

Telescopic

36
193/17

Vertical swing

29
193/18

Counterweight

0
193/20

Valved

1
193/19

Varied

0
193/21

Valved

8
193/15

Vertically adjustable, bodily

22
193/2B

Wall vibrators

19
193/33

Wall

33
193/34

Vertical

51
193/11

With sprayer

8
193/27

Zigzag

30
193/28

Switch

3
193/DIG.1

Coin chute

31
193/DIG.2

Indicators, safety devices and signals

2
193/1

Miscellaneous

12
193/44

Orienter

31
193/47

Article upset about fixed point

29
193/48

Article upset about movable point

8
193/46

Grooved or twisted chute

45
193/45

Manual or mechanical means moves article to upset

17
193/42

Roller jacks

11
193/35R

Rollerways

246
193/35A

Abutments and brakes for roller conveyers

143
193/35B

Biased rollers

25
193/35C

Centering and clamps (guides, generally)

33
193/35F

Flexible

24
193/35G

Gates

13
193/35J

Joints

12
193/35MD

Multidirectional

103
193/37

Rollers

307
193/35S

Spiral

12
193/35SS

Submerging and rising

97
193/36

Switch

17
193/35TE

Telescoping and extending

49
193/41

Skids

20
193/38

Skidways

65
193/40

Retarder

61
193/39

Switch

7
 
 
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