Stool Chair
![]() Adec decade radius package complete w/Dr & Asst stools US $7,900.00
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![]() HYGIENIST PORTABLE DENTAL CHAIR&UNIT/SCALER/HANDPIECES US $1,495.00
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![]() Midmark M9 Autoclave Sterilizer Dental (#48) Ultraclave US $3,599.00
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![]() Midmark M11 Autoclave Sterilizer Dental (#47) Ultraclave US $3,299.00
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![]() Peri Pro Dryer Drive Motor (P109) US $89.00
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![]() Peri Pro 2 Processor Shell / Cover (P108) US $49.00
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![]() Peri Pro 2 processing racks (P106) US $449.00
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![]() Set of 2 Doctors Dental Stools #38 US $95.00
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![]() Masterlite Curing Light Dental #41 US $69.00
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![]() Light Mounting Post for DCI dental chairs (#46) US $349.00
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![]() Midmark M11 Autoclave Dental (#55) Ultraclave US $2,995.00
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![]() Dental MDS Matrix Air Compressor (#8) US $1,299.00
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![]() Peri Pro 2 Processing Rack (P105) US $449.00
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![]() Sonatron Ultrasonic Dental Scaler #44 US $299.00
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![]() Dental EZ Air Compressor (#37) US $1,499.00
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![]() Curing Light 2500 Dental (#20) US $95.00
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![]() Steam Sterilizer Pot #32 US $99.00
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![]() 10" Handler Model Trimmer (#42) US $299.00
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![]() Belmont Excalibur EX 1000 Pan X_Ray (#58) US $4,495.00
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![]() Dental Belmont Acutrac Patient Chair (#11U) US $2,495.00
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![]() Belmont Light Post and Mount (#49) US $1,299.00
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![]() Belmont Bel 20 Patient Chair (#14U) US $2,399.00
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![]() Adec Portable Unit Dental (#31) US $1,499.00
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![]() Light Post Mount for Midmark Knight dental chair (#45) US $299.00
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![]() Belmont Acutrac Patient Chair (#11) US $1,995.00
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![]() Rinn Dental Film Duplicator #27 US $59.00
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![]() Dental Trophy Elitys X-Ray (#50) US $2,199.00
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![]() Belmont Excalibur Track Light new bulb (#13) US $849.00
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How does an adjustable piston stool/ office chair work?
Hi,
Can anyone tell me or, even better, tell me a link which shows how the piston on a office chair adjusts the height? I need this for my product design school course.
Thanks.
It is a gas cylinder that has an internal piston that compresses a gas to a higher pressure when weight is put on it. A friction clamp to hold the piston's rod in a set position is the height selector. A soft spring gives a bit of cushion when a person sits on the chair. If the chair is too low, a lever releases the friction clamp, letting the piston come up, raising the chair against the chair's weight. If a person is sitting in the chair at that time, the gas pressure against the piston is not enough, and the chair goes down.
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