Rifton Medium Activity Chair, Standard Base (R840)

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At Shop Rehab USA, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.

If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.

Refer to our Refunds & Return Policy for more details.

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Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.

Please allow 1-3 days for processing your order.

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Rifton Medium Activity Chair, Standard Base (R840)

Rifton Medium Activity Chair, Standard Base (R840)

$1,797.00

$1,797.00

Description
Why Buy From Us

Rifton Medium Activity Chair, Standard Base (R840)

Rifton Medium Activity Chair with Standard Base. Rifton's award-winning positioning chair has significantly transformed active seating, thanks to its versatility, adaptability, and durability. The Medium Activity Chair with Standard Base, a redesign of the highly esteemed original, has been shaped by extensive feedback to meet the diverse needs of children in educational settings. This chair is the epitome of classroom seating, designed jointly by therapists and parents.

All models, including this medium version, feature tilt-in-space functionality that is ideal for both dynamic classroom activities and restful positions. It offers back angle adjustments from 5º forward to 20º back, accommodating users from 40” to 56” in height and up to 150 lbs in weight. The seat and back angles are easily adjustable to support good posture, relieve pressure, or facilitate napping.

Therapists and parents consistently praise the Rifton Activity Chair for its effectiveness in feeding, speech therapy, and active learning, particularly for users with behavioral challenges. Its proven benefits in school settings often lead parents to recognize its necessity at home as well.



Features

*Shown with options and accessories

Tool-free Adjustments

The Rifton Activity Chair offers hassle-free adjustments without the need for tools, making it a perfect choice for the busy special needs classroom or home environment.




Base Options

The legs on the standard base chair are height-adjustable in 1" increments and come in long or short options, either stationary or with casters. This versatility allows users to be positioned at the optimal height for their needs.



Spring Option

The Rifton Activity Chair standard base comes with optional seat and backrest springs that facilitate calming self-generated motion, which is ideal for user with autism. The spring column can be secured in place when it is not in use.



Adjustable Tilt

It feature tilt-in-space functionality, which supports both sit-to-stand transitions and resting postures. This feature can be activated without tools even when the user is seated in the chair. Tilt range of 15° forward and 15° backward


Perfect for the MOVE™ Program


When paired with forearm supports, the Activity Chair transforms into a forward-leaning educational seating device, similar to those used in the MOVE™ program.

Remove the armrests and adjust the hi/lo chair to the optimal transfer height for secure and safe lateral transfers.

Flip the footboard up and tilt the chair forward to facilitate easy sit-to-stand transfers.

Lower the hi/lo chair until the footboard is flat on the floor. Since the footboard is sturdy enough for stand and pivot transfers, users can help with their own transfers.


Pads

Comfortable seat and backrest pads are crucial for offering cushioned support and preventing pressure sores. These pads consist of polyurethane foam and are encased in a cleanable, healthcare-grade, polyurethane-coated fabric. For extended durability, the seat pad is reversible, from front to back. The pads come in six different colors.

Tan

Green

Purple

Red

Blue

Pink



Benefits of the Rifton Activity Chair

 

Enhanced Accessibility
The tilt-in-space feature of the Rifton Activity Chair enables users such as school-aged children to perform daily tasks, such as washing hands at a sink, with ease.

Convenience and Safety
Adjustments to the chair can be made without tools even while the user is seated, ensuring continuous comfort and security.

Customizable Seating Solutions
The chair offers a wide range of optional components to tailor the seating experience to individual needs, from early intervention to day habilitation, accommodating conditions like autism and cerebral palsy.

Versatile Base Options
Choose from two chair base options: a hi/lo base for effortless transfers and optimal positioning, or a standard base ideal for classroom settings, which supports self-stimulatory motion beneficial for students with autism.

Accessible Design Features
Each design choice, from the hi/lo base facilitating easy transfers to the standard base enhancing classroom engagement, is geared towards creating an adaptable and inclusive environment for all users.

 


Which Size is Right for You?

User Dimensions R820 Small Standard Base R830 Small Hi/Lo Base R840 Medium Standard Base R850 Medium Hi/Lo Base R860 Large Standard Base R870 Large Hi/Lo Base
Height 32" – 48" 32" – 48" 40" – 56" 40" – 56" 50" – 74" 50" – 74"

Key User Dimension: Height

The user’s overall height is a general guide to help you select the appropriate chair.

Choose the model that allows for growth.



Important: : Make sure that seat width, depth and height are adequate for each individual

user, and that the user’s weight does not exceed the maximum weight recommended.
Max. Working load 75 lb 75 lb 150 lb 150 lb 250 lb 250 lb
Height With Mini Kit 28" – 38" 28" – 38"
Frame Width (Short Legs) 21" 26" 23¼" 27½" 26¾" 29¾"
Frame Width (Long Legs) 23" 24½" 26¾"
Frame Width (Short Legs w/ Casters) 22½" 24½" 27¾"
Frame Width (Long Legs w/ Casters) 23½" 25½" 27¾"
Seat Height Above Floor (Short Legs) 9½" – 12½" 10" – 25" 12½" – 16½" 12" – 23" 16½" – 20½" 16" – 24"
Seat Height Above Floor (Long Legs) 18½" – 21½" 19" – 23" 20" – 24"
Seat Height Above Floor (Short Legs w/ Casters) 13½" – 16½" 16" – 20" 16½" – 20½"
Seat Height Above Floor (Long Legs w/ Casters) 18½" – 21½" 19" – 23" (47-55 cm) 20" – 24"
Seat Angle (Tilt-in-Space) 15° forward, 15° back 15° forward, 25° back 15° forward, 15° back 15° forward, 25° back 15° forward, 15° back 15° forward, 25° back
Backrest Angle 5° forward, 20° back 5° forward, 20° back 5° forward, 20° back 5° forward, 20° back 5° forward, 20° back 5° forward, 20° back
Footboard Knee Angle 45° – 110° 45° – 110° 45° – 110° 45° – 110° 45° – 110° 45° – 110°
Seat Height Above Footboard 7" – 12" 7" – 12" 7¾" – 15¼" 7¾" – 15¼" 11¼" – 21¼" 11¼" – 21¼"
Seat Width with Hip Guides 7" – 9" 7" – 9" 8½" – 11½" 8½" – 11½" 11" – 14" 11" – 14"
Seat Width without Hip Guides 12" 12" 14" 14" 17" 17"
Seat Depth 8" – 12" 8" – 12" 11" - 16" 11" - 16" 15" – 20" 15" – 20"
Seat Depth with Mini Kit 7" – 11" 7" – 11"
Armrest Height Above Seat 5" – 7½" 5" – 7½" 7" – 10½" 7" – 10½" 7" – 10½" 7" – 10½"
Trunk Support Width 5½" – 11½" 5½" – 11½"
Distance Between Laterals 6½" – 12" 6½" – 12" 9½" – 14" 9½" – 14"
Backrest Height 12½" – 15½" 12½" – 15½" 15½" – 19" 15½" – 19" 19" – 24" 19" – 24"
Headrest Height Above Seat 14½" – 21" 14½" – 21" 17½" – 24½" 17½" – 24½" 19½" – 29½" 19½" – 29½"


Explore Other Sizes

Rifton Small Activity Chair, Standard Base (R820)
Height : 32"– 48"
Max Weight: 75 lb

Rifton Large Activity Chair, Standard Base (R860)
Height : 50"– 74"
Max Weight: 250 lb

Rifton Small Activity Chair, Hi-Low Base (R830)
Height : 32"– 48"
Max Weight: 75 lb

Rifton Medium Activity Chair, Hi-Low Base (R850)
Height : 40"– 56"
Max Weight: 150 lb


Accessories & Options

Armrests

Rifton armrests provide lateral boundaries and upper extremity weight-bearing support to enhance trunk control. They can be adjusted individually in angles from horizontal to 30° and accommodate an attachable tray.

Small 2¼"x 8¾", Large 3"x 12"

Forearm Prompts

Rifton forearm prompts enhance postural stabilization by securing the upper extremities, facilitating the use of core muscles. These prompts are fully adjustable for optimal user positioning.

Padded area: Small 4"x 7", Large 4½"x 8"
Range of adjustment from elbow to fist: Small 8"–12½", Large 10½"–16"

Adjustable Legs

These legs, available in long and short versions, are height-adjustable in 1" increments, allowing optimal user positioning. The stationary legs include grippy tips to prevent the chair from sliding.

Adjustable Legs with Casters

Featuring casters, these adjustable legs make it easy to move the chair across different classrooms or environments, enhancing mobility and user convenience.

Pads

Comfortable seat and backrest pads made of polyurethane foam provide cushioned support and are crucial for preventing pressure sores. These pads are cleanable and available in six colors.

Headrests

Choose from flat, contoured, or winged headrests to optimize positioning for users with poor head control, adjustable for perfect fit and comfort.

< p>Flat and contoured: 9"x 5"
Winged: 16"x 5" when flat to 6" between wings at 90°

Laterals

Essential for users needing upper body support, these laterals ensure proper spinal alignment and are fully adjustable for height, lateral position, and angle.

Small 5"x 4", Large 6½"x 5"

Laterals with Chest Strap

Adding a wide chest strap to the laterals provides enhanced trunk support and security for users with limited upper torso control.

Push Handles

Recommended for all wheeled chairs, these push handles make it easy to transport users from one place to another without strain.

Tray

This versatile tray attaches to the armrests, offering a stable surface for work, play, and feeding activities, adjustable for user comfort.

Small 19" wide x 18" deep
Medium 22" wide x 20" deep
Large 25½" wide x 22½" deep

Backrest Height & Seat Depth Adjustments


Spring Option


Seat Height Adjustments


Why Choose Shop Rehab USA

At Shop Rehab, we believe true peace of mind comes from safeguarding both your body and your home. Our mission is simple: to be the trusted destination for cutting-edge wellness technologies and resilient home safety solutions. Every product we carry—whether a sauna, hyperbaric chamber, air purification system, or security vault—is carefully chosen to help you optimize recovery, extend longevity, and protect what matters most.

A Customer-First Approach

We’re more than an online store—we’re your partner in building a healthier, safer lifestyle. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you’re exploring recovery solutions, seeking expert advice, or need ongoing support, our specialists are always just a call or email away.

Passion for Wellness & Resilience

Our brand is built on the belief that modern living should balance performance with protection. We live and breathe wellness optimization and smart home safety—and when you reach out to Wellness Vault USA, you’ll connect with experts who understand both the science behind our products and the lifestyle they support.

Trusted Experts, Curated Brands

We partner directly with the most respected names in wellness technology and safety innovation. Our curated selection ensures every solution meets our high standards for quality, reliability, and results. With Wellness Vault USA, you shop with confidence, knowing you’re investing in proven products backed by full manufacturer warranties.

More Reasons to Choose Shop Rehab USA

  • Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
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  • Exclusive Packages & Volume Discounts – Customized solutions available for clinics, wellness centers, and large orders.
  • Authorized Dealer – Every order is protected with full manufacturer support and warranties.

At Shop Rehab USA, we’re committed to helping you live stronger, recover faster, and protect smarter. With our expertise, personalized service, and curated selection, you can invest in wellness and safety with complete confidence.