Height adjustable table with pedal

Опубликовано: 27 Май 2020
на канале: Engineering Facts
418
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Height adjustable table with pedal.
Step on the pedal to raise the table.
The four-bar linkage (yellow bar, brown conrod and blue bar) is for transmitting the motion from the pedal to the red pawl.
The pink lever is for preventing the table from gravity fall.
The yellow counterweight ensures that the pedal is always at highest position.
The pink counterweight maintains the contact between the pink pawl and the green rack.
The last three scenes show how to lower the table. First flip the red pawl to prevent the pawl from its engagement with the green rack. Then use the pink lever to lower the table and hold it at new position. -
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Source: Thang010146 - YouTube
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