How do I turn a hair salon pump chair into a ride?

  Ok... so I have a hairdresser chair at home that pumps up and down with the foot pedal (Very common in hair salons).  The kids love to ride the chair up, up, up, so I had a unique idea to make some kind of electric machine that would move the foot pedal up and down.  Basically, I want a salon chair that (When the machine is switched on...) automatically gets pumped up, up, up....  while a kid or adult is sitting on it.  What would I need to make this work?

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iceng5 years ago
Wats D matter wit my last answer ?
Coolpony (author)  iceng5 years ago
Nothing was.... I thought I put my question in the wrong place... thank you!
suzyframe5 years ago
When I first read the title of this I found it very interesting. But now that I have read your reasoning it sounds like tons of fun. I would have never thought to turn a hair salon chair into a ride for my children. But it does sound like lots of fun! Did you find something that works? I would love to hear how this turns out! Thanks for sharing your idea!
Coolpony (author)  suzyframe5 years ago
Look up the Haunted Salon Chair question I posted... "iceng" deserves credit for his answer. Basically have a gear motor tied to the pump lever under the chair. when the gear motor turns... the pump lever goes up and down, making the chair go up. Pretty fun!
iceng5 years ago
Thank you.
I gather a gear motor is new to you.

Here is another idea. 
If I'm right the pump up pedal rises on its own after each foot push, Yes ?

Then a small AC induction motor with a 3/8" or 1/4" diameter shaft can
wind up a string pulling the pump handle down until a 555 timer cuts
the power.
When there is no power the rising foot pump spins the motor backwards
unwinding the string.
A short time later a second 555 starts the process again.

I did a cradle rocker like this but used  micro switches instead of electronics.
Sometimes the string breakes.

A
electric hydraulic pump