Four Bar Lift

4 Bar Lift
 
4BF
 
4BB
 
4BT
 
 
 

Questions

1. Label the Input and Output on one of the pictures below.
2. In this lift, is the speed increased, decreased, or constant?
3. In this lift, is the torque increased, decreased, or constant?
4. What is the gear ratio of this lift?
5. Is the flow of power reversible?

(Can you make the input shaft turn by turning the output shaft?)

6. Do the gears move in the same or in the opposite direction?

(If I turn the Input CW (clockwise) does the output turn the same or opposite?)

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Quantity

Parts

Quantity

Parts

1

Base Plate

30

Shaft Collars

8

Narrow C-Channel (Medium, 20-25 holes, 4-5 Sections)

10

Axles/Shafts (Small 3-5 inches)

4

Narrow C-Channel (Small, 15 hole/3 sections)

62

Red Screws

4

Spacers

4

Green Screws

25

Flat Bearings

66

Keps Nuts

2

High Strength Gears (Large)

2

Steel Gears

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