Humanscale Liberty Task Ergonomic Chair

Please note: This chair is custom-made and non-returnable. All fabric colors shown on your computer screen are approximate, based on the resolution of your monitor and subject to variation from the actual color on physical chairs. For more accurate ideas of color tones, etc. please contact customerservice@ergodirect.com or call 888-456-ERGO to obtain a sample or fabric swatch.

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Product ID: 13623
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Our Price: $889.00
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Description

Humanscale Liberty Task chair is an intelligent mesh task chair engineered to provide automatic lumbar support for every user, as well offering simplicity and complete ease of use. Liberty was designed to offer a unique, minimal aesthetic and to provide custom comfort for every person who sits in it. Like Humanscale’s Diffrient Smart and Diffrient World chairs, Liberty uses Humanscale’s revolutionary Form-Sensing Mesh Technology and mechanism-free recline for perfect support and unprecedented comfort.

With a minimal aesthetic that complements any space, the Liberty chair is the ideal seating solution for the modern work environment. With advanced features, including automatic, weight-sensitive recline, arm rests that are attached to the back of the chair for constant support and an innovative tri-panel mesh backrest, Liberty combines performance, simplicity and beauty. With fewer parts than traditional task chairs, Liberty is a timeless and environmentally friendly design.

Liberty, with Form-Sensing Mesh Technology, is unlike any mesh chair you’ve seen or experienced. With its tri-panel construction, Liberty has the body-fitting contours that single-panel stretch mesh chairs simply can’t achieve. And it offers perfect recline and lumbar support for everyone, without external devices or manual adjustments. Ideal for the active workspace, Liberty promotes balanced movement throughout the day.

Liberty’s automatic fit and ease of use make it the perfect choice for conference room seating, where every occupant will feel comfortable and supported without having to worry about adjustments.

Office Seating - Liberty’s mesh back is formed by combining three panels of low-stretch mesh in the same way a tailor combines multiple pieces of material to form a shirt. So its contours are custom-made to both fit and support the human body in unprecedented comfort. Liberty has set a new bar for performance, simplicity, elegance and comfort.

Technical Drawing

Technical Drawing for Humanscale Liberty Task Ergonomic Chair

Specifications

Chair Width 26.5" Arms / 21" Armless
Base Size 25"
Seat Height Range 16.5" - 34.2"
Recline Range 18° recline + 8° backrest tilt
Chair Weight 34 lbs arms / 30 lbs armless
Stackable No
Warranty 15-year 24/7

Features & Innovations

Features and Innovations of Humanscale Liberty Task Ergonomic Chair

1. Self-Adjusting Recline

  • Intelligent counter-balance recline mechanism automatically provides the right amount of support through the full range of recline motion, regardless of user size and weight

  • No tension springs to adjust

  • No recline locks to set/release

  • During recline, the angle between torso and legs opens up for better body function

  • User maintains near constant eye level during recline


2. Pivoting Backrest

  • Extra motion of the backrest during recline automatically adjusts to the changing needs of the spine

  • Provides additional lumbar support as needed


3. Form-Sensing Mesh Back

  • Tri-panel, non-stretch mesh construction creates body-fitting contours and self-adjusting lumbar support for a customised fit

  • No external lumbar devices to adjust, break or lose

  • Low-abrasion mesh protects clothing

  • Modular for easy replacement


4. Contoured Seat Cushion

  • Carefully sculpted to match body contours

  • Increased contact area reduces pressure points

  • Modular for easy replacement


5. Armrest Options

  • Adjustable or fixed armrests connect to the backrest instead of the seat so they stay with the body during recline

  • Armless model also available


6. Body Fit

  • Size-adjustable to fit more than 95% of the population

  • Automatic adjustments - Weight-sensitive recline. Form-sensing lumbar support. Manual adjustments. Optional height-adjustable armrests. Seat height. Seat depth.


7. Casters

  • 75mm (3") dual-surface casters roll easily on carpeted floors and quietly on hard floors


  • Effortless Recline - Liberty’s intelligent mechanism-free recline uses the laws of physics and the sitter’s weight to automatically provide the perfect amount of support through the full range of recline. Without manual controls to adjust, the user can change postures effortlessly throughout the day.

  • Custom Fit - Liberty’s mesh back is formed by combining three panels of non-stretch mesh material in the same way a tailor combines multiple pieces of fabric to create a shirt. Its contours are made to custom fit and support each individual sitter throughout the day.

  • Encourages Movement - Liberty was engineered to automatically adjust to whoever sits in it, instantly accommodating each user regardless of size and weight. Because it has no manual adjustments and features Humanscale’s weight-sensitive recline, the user can move easily and without restrictions.

Designer

Niels Diffrient - Niels Diffrient's designs are grounded in the philosophy that form follows function. His work has spanned generations, consistently looking past trends to reinvent the tools we use for daily living.

With an academic foundation in design and architecture and a degree from Cranbrook Academy, Diffrient channels his knowledge of engineering, architecture, and human factors into the creation of highly functional and aesthetically timeless designs.

From his early work with the studios of Eero Saarinen, Marco Zanuso, and Henry Dreyfuss to his current work with Humanscale, Diffrient's visionary talent has been widely recognized. Included among his many honors are the 2002 National Design Award from the Smithsonian's Cooper-Hewitt, National Design Museum, and the 1999 Chrysler Design Award. In recent years, Diffrient had focused his energies on designs for the office environment, particularly seating - a category in which he has pioneered numerous breakthroughs, from pneumatic cylinders for seat height adjustment to weight-activated automatic recline.

Design Story

"I’ve always insisted that the back adjust to the person and we have this unique Form Sensing Mesh that will accommodate any body shape and give you appropriate back support. Whether you’re short, tall, wide, narrow, the back will accommodate you." - Niels Diffrient, Designer.

Inspired to create a minimal but functional mesh task chair with curved lines and a contemporary aesthetic, Niels Diffrient designed Liberty. As with the Diffrient World chair, Liberty features an innovative tri-panel non-stretch mesh backrest, which Diffrient said was based on the concept of a tailored men’s shirt. He worked closely with textile designer Elizabeth Whelan to create a mesh that was strong and supportive but still flexible."

Liberty and the Environment

Humanscale is committed to environmental sustainability and continually strives to design, engineer and manufacture products that, compared to others in the same class, consume less of the Earth’s limited resources. This is accomplished by creating products that:

  • Weigh less and require less raw material

  • Ship as efficiently as possible

  • Have timeless design and durable construction so they have to be replaced less frequently

  • Are engineered to be easily recyclable


Here are some of the environmental highlights for the Liberty chair:

  • Weighs as little as 18.3kg (40.3 lbs), minimising carbon footprint in shipping

  • Contains recycled content

  • Designed for easy disassembly with clear recycling guidelines

  • Ships in recycled packaging, or blanket-wrapped, when feasible

  • Certified by GREENGUARD and BIFMA level

  • Can earn points toward LEED Certification in a number of areas

Model Liberty Task
Manufacturer Humanscale
Part Number Liberty Task
Chair Width 26.5" Arms / 21" Armless
Base Size 25"
Seat Height Range 16.5" - 34.2"
Recline Range 18° recline + 8° backrest tilt
Chair Weight 34 lbs arms / 30 lbs armless
Warranty 15-year 24/7

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Humanscale Liberty Task Ergonomic Chair

Limited Warranty

Humanscale offers the following warranties on its products, subject to any exclusions and limitations as set forth below:

Product Warranty
Customer’s Own Material (COM, COL) No Warranty
Switch Mouse 1 Year, 24/7 Warranty
Technology Products 3 Years, Limited Warranty
Element Series Lights 10 Years, 24/7 Warranty
Horizon Series Lights 10 Years, 24/7 Warranty
Diffrient Series Lights 5 Years, 24/7 Warranty
Float Table, (Mechanical) 5 Years, 24/7 Warranty
eFloat and Electric Float 5 Years, 24/7 Warranty
QuickStand Sit/Stand Workstation, QuickStand Lite, QuickStand Eco, QuickStand Underdesk 5 Years, 24/7 Warranty
Fabric/Cushions/Arm Pads 5 Years, Single-Shift Warranty
M2, M/Flex & Para/Flex Monitor Arms 15 Years, 24/7 Warranty
M4, M7 & M8 Monitor Arms with Gas Cylinder Components 10 Years, 24/7 Warranty
Ballo Stool 3 Years, Single-Shift Warranty
Vessel Lights 10 Years, 24/7 Warranty, 3 Years 24/7 Warranty for the power supply driver
M/Connect 3 Years, 24/7 Warranty
M/Power 3 Years, 24/7 Warranty
M/Connect 2 3 Years, 24/7 Warranty
Monarch Mat 3 Years, 24/7 Warranty
Office IQ 1 Year, 24/7 Warranty
All other seating and products detailed in a current Humanscale Price Guide, unless otherwise specified 15 Years, 24/7 Warranty
All other products NOT detailed in a current Humanscale Price Guide Varies; consult your Humanscale representative for details

Modifying or tampering with any part of the base of the Float Table will render the warranty void. The warranty on the Float Table applies to the base and work surface if the table top is provided by Humanscale, and only to base if the table top is provided by a third-party, provided that the third-party table top meets the following requirements: (i) has a depth of 36" or less, (ii) has a width of 72" or less, and (iii) the total weight load including work surface is no more than 130 lbs for the standard base and no more than 160 lbs for the heavy duty base.

Note: Ballo is not a task chair. It has not passed the BIFMA or European EN standards for office seating. The Ballo in an exercise chair that is designed for dynamic seating and frequent movement. All Ballo instructions should be followed to ensure a comfortable experience.

Modifying or tampering with any part of the base of the eFloat or electric Float will render the warranty void. The warranty on the eFloat and electric Float applies to the base and work surface if the table top is provided by Humanscale, and only to base if the table top is provided by a third-party, provided that the third-party table top meets the following requirements: (i) has a depth of 36" or less, (ii) has a width of 72" or less, and (iii) a total weight load including work surface of no more than 200 lbs.

The warranties for the Vessel lights exclude labor and other costs associated with the installation and/or removal of the lights from ceilings, walls, fixtures, etc. Further, Humanscale has no warranty obligations if the product is affected by internal or external environmental conditions (including but not limited to water, moisture, outdoor use, or temperature damage), power fluctuations, improper power supply, or if the product is not installed and used in compliance will all applicable standards and electrical codes.

These warranties are available to the original end-user customer only and are non-transferable. For these warranties to be valid, the Humanscale product must have been purchased directly from Humanscale and/or an authorized dealership, distributor, retailer and/or reseller of Humanscale products. If products are procured through an authorized dealership, distributor, retailer and/or reseller, the end-user customer must be registered with Humanscale for the warranty to be in effect. Humanscale warrants that, at the time of customer’s receipt, the product will be in good working order and will be free from defects in materials and workmanship for the duration of the warranty term, as set forth above. These warranties do not apply to normal wear and tear or damage caused by accident, neglect, product abuse, misuse and/or failure to follow instructions relating to the product’s installation or intended use. Humanscale will not be responsible for damage due to service, maintenance, modifications or tampering by anyone other than a Humanscale authorized representative. Humanscale will not be responsible for injury or damage caused by or associated with the installation and/or use of products in any manner other than in strict conformance with the instructions set forth in its installation manuals and instruction sheets and/or product literature. These warranties do not cover damage caused by a carrier or transportation of the product from one location to another, or alterations made by owner. Humanscale does not warrant damages or defects to the products under the following conditions: an Act of God, damage from electrical power problems, usage of parts or components not supplied by Humanscale, failure to perform preventative maintenance, or damage caused by peripherals not supplied by Humanscale.

In the event a product or product part is defective in material or workmanship during the warranty period, and Humanscale receives written notice of the defect within the warranty period, Humanscale will determine with customer if the defect is covered under warranty. Humanscale, at its option, may repair or replace the defective product or product part determined to be under warranty with the same or comparable product or product part as determined by Humanscale, at customer’s location or at a designated Humanscale location. The labor costs associated with the repair of the product or product part may be the responsibility of Humanscale if the product or product part is determined to be under warranty. Humanscale must pre-approve the labor costs prior to the repair or replacement of warranty products or product parts. Customer must contact Humanscale to obtain a Return Authorization through the Humanscale Customer Service Department. Performance of any repair or replacement does not renew or extend the warranty period. If, after examining and testing a returned product or product part, Humanscale determines that the product or product part is not defective, Humanscale will notify customer and return the product or product part to customer. Customer will be responsible for the freight charges associated with the return of non-defective products or product parts. To return a product or product part for repair that is not covered by warranty, Customer must request a Return Authorization through the Humanscale Customer Service Department. Customer will bear the costs of labor and freight charges associated with non-warranty repair. Customer will be charged a standard repair fee, specific to the product, for any product that is repaired outside of the warranty period. Repairs on products out of warranty also carry a 90-day warranty, effective the day that Customer receives the repaired product or product part. For products that are not covered under warranty: Customer may upgrade to a newer, functionally equivalent product at the list price; the product or product part will be returned to Customer; or Customer can request in writing that Humanscale dispose of the product or product part for Customer, in which case a fee may apply as designated by local law.

DISCLAIMER
THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER REPRESENTATIONS, WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED REPRESENTATIONS, WARRANTIES OR CONDITIONS OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, NON-INTERFERENCE, AND ALL OTHER WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE.

Humanscale does not warrant that customer’s use of the Humanscale product will be uninterrupted or error free. Any implied warranties that may be imposed by law are limited in duration to the Limited Warranty period, to the greatest extent allowed by law. Some states or countries do not allow a limitation on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages for consumer products. In such states or countries, some exclusions or limitations of this Limited Warranty may not apply. This Limited Warranty is subject to change without notification.

Limitation of Liability
Purchaser’s remedies set forth herein are exclusive and the liability of Humanscale with respect to the breach of this agreement or any contract entered into between the parties pursuant hereto shall not exceed the price of the product or part on which such liability is based. In no event will Humanscale be liable to purchasers for any special, collateral, incidental or consequential damages however caused, whether by Humanscale’s negligence or otherwise. The remedies provided above are the purchaser’s sole remedies for any failure of Humanscale to comply with its obligations regarding the workmanship of its products. Correction of any nonconformity in the manner and for the period of time provided shall constitute complete fulfillment of all liabilities of Humanscale, with respect to or arising out of the product furnished hereunder.