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Rifton Medium Activity Chair Standard base

Regular price $1,797.00

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In Stock
Select Color: Inc. Stationary chair, armrests and pads

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Rifton Medium Activity Chair Standard base

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The ultimate pediatric chair for the classroom or home, Rifton Activity Chairs provide versatile, adaptable and active seating.


These Rifton Activity Chairs come in two chair designs, one incorporating a standard base and the other what it terms a Hi/lo base. This product listing is for medium chair built on a standard base; other sizes of the standard-base chair and those on a Hi/lo base are listed separately (see "related products" below).

Input from therapists produced these key features:

  • Easy, tool free adjustments, while child is in chair
  • Wide range of optional accessories create a classroom or home chair ideal for all special needs children.
  • Tilt-in-Space chair features

Other innovative features include:

No-tool adjustments - These Rifton Activity Chairs are simple to adjust. No tools are needed for any adjustment, making it an ideal choice for the busy special needs classroom

Adjust with child in chair - The Rifton Activity Chair can be easily adjusted while a child is in the chair. This saves time and makes adjustments much simpler to gauge

Spring option - The optional springs on the Rifton Activity Chair allow for calming through self-stim. The spring column can be locked when not in use. The Standard base has optional springs in both backrest and seat, making it an ideal choice for children with autism

Choice of 6 fun pad colors - The Rifton Activity Chair seat and backrest pads are made of polyurethane foam, with a polyurethane-coated fabric cover in six choices.

Size Selection

User height determines appropriate size. The charts below provide the dimensions of not only this medium chair, but also the other two sizes of those built on standard base, so that you can select the appropriate one. Note that the column referring to the medium chair is highlighted in yellow.

Chair Small Medium Large
User Height
(Inches)
28*—48
*28-32 requires
"Mini kit"
40—56 50—74

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. The table below provides the dimensions of each chair:

Standard base chair

Small (R820)

Medium (R840)

Large (R860)

Frame width (inches) Short legs: 21
Long legs: 23
Short legs with casters: 22½
Long legs with casters: 23½
Short legs: 23¼
Long legs: 24¼
Short legs with casters: 24½
Long legs with casters: 25½
Short legs: 26¼
Long legs: 26¼
Short legs with casters: 27¾
Long legs with casters: 27¾
Frame depth, front to back (inches) Short legs: 21½–23
Long legs: 26¼–27¾
Short legs with casters: 23½–25
Long legs with casters: 27–28½
Short legs: 22½–24½
Long legs: 26¾–28¼
Short legs with casters: 25–27
Long legs with casters: 26½–28¾
Short legs: 30½–32¾
Long legs: 32½–34½
Short legs with casters: 31–33
Long legs with casters: 34¾–35¼
Seat height above floor (inches) Short legs: 9½–12½
Long legs: 18½–21½
Short legs with casters: 13½–16½
Long legs with casters: 18½–21½
Short legs: 12½–16½
Long legs: 19–23
Short legs with casters: 16–20
Long legs with casters: 19–23
Short legs: 16½–20½
Long legs: 20–24
Short legs with casters: 16½–20½
Long legs with casters: 20–24
Seat angle for tilt-in-space (degrees) 15° forward, 15° back 15° forward, 15° back 15° forward, 15° back
Backrest angle adjustment (degrees) 5° forward, 20° back 5° forward, 20° back 5° forward, 20° back
Footboard knee angle (degrees) 45°–110° 45°–110° 45°–110°
Seat height above footboard (inches) 7–12 7¾–15¼ 11¼–21¼
Seat width with hip guides
Seat width without hip guides (inches)
7–9
12
8½–11½
14
11–14
17
Seat depth, 1-inch increments (inches) 8–12
7–11 with mini kit
11–16 15–20
Armrest height above seat (inches) 5–7½ 7–10½ 7–10½
Trunk support width (inches) 5½–11½ 6½–12 9½–14
Backrest height above seat (inches) 12½–15½ 15½–19 19–24
Headrest height above seat (inches) 14½–21 17½–24½ 19½–29½
Maximum working load (lb) 75 150 250
This medium chair (S840) is made up of five required components, each of which offers one or more options. For instance, the base package includes a stationary space base but in placing your order you can select the base with spring upgrade. Although not required, there are also options for headrests and laterals supports. There are 20 other optional accessories for personalizing your chair.

Want to customize your Rifton Activity Chairs or other tilt-in-space chairs? Contact Adaptive Specialties today!