Sizes and Dimensions for Positioning Chairs
Use the dimensions chart below to help you make the right choice for your client.
Want to make sure it fits? Download a detailed chair sizing worksheet.
The user’s overall height is a general guide to help you select the appropriate positioning chair. Choose the model that allows for growth.
| Item Dimensions (inches) | R840 Medium standard Activity Chair |
|---|---|
| User’s overall height |
40 – 56 |
| Frame width |
Short legs: 23¼ Long legs: 24¼ Short legs with casters: 24½ Long legs with casters: 25½ |
| Frame depth (front to back) |
Short legs: 22½ – 24½ Long legs: 26¾ – 28¼ Short legs with casters: 25 – 27 Long legs with casters: 26½ – 28¾ |
| Seat height above floor |
Short legs: 12½ – 16½
Long legs: 19 – 23
Short legs with casters: 16 – 20
Long legs with casters: 19 – 23 |
| Seat angle for tilt-in-space (degrees) |
15° forward, 15° back |
| Backrest angle adjustment (degrees) |
5° forward, 20° back |
| Footboard knee angle (degrees) |
45° – 110° |
| Seat height above footboard |
7¾ – 15¼ |
| Seat width with hip guides |
8½ – 11½ |
| Seat width without hip guides |
14 |
| Seat depth (1" increments) |
11 – 16 |
| Armrest height above seat |
7 – 10½ |
| Trunk support width |
6½ – 12 |
| Backrest height above seat |
15½ – 19 |
| Headrest height above seat |
17½ – 24½ |
| Maximum working load (lb) |
150 |
More information about the Activity Chair is located in the Product Manual.
Having trouble printing this chart? Try this printer-friendly chart instead.
Download the Activity Chair Positioning Checklist.
| Activity Chair Sizes |
|
|
R840 Medium standard Activity Chair
Sizes and Dimensions for Positioning Chairs
Use the dimensions chart below to help you make the right choice for your client.
Want to make sure it fits? Download a detailed chair sizing worksheet.
The user’s overall height is a general guide to help you select the appropriate positioning chair. Choose the model that allows for growth.
| Item Dimensions (inches) | R840 Medium standard Activity Chair |
|---|---|
| User’s overall height |
40 – 56 |
| Frame width |
Short legs: 23¼ Long legs: 24¼ Short legs with casters: 24½ Long legs with casters: 25½ |
| Frame depth (front to back) |
Short legs: 22½ – 24½ Long legs: 26¾ – 28¼ Short legs with casters: 25 – 27 Long legs with casters: 26½ – 28¾ |
| Seat height above floor |
Short legs: 12½ – 16½
Long legs: 19 – 23
Short legs with casters: 16 – 20
Long legs with casters: 19 – 23 |
| Seat angle for tilt-in-space (degrees) |
15° forward, 15° back |
| Backrest angle adjustment (degrees) |
5° forward, 20° back |
| Footboard knee angle (degrees) |
45° – 110° |
| Seat height above footboard |
7¾ – 15¼ |
| Seat width with hip guides |
8½ – 11½ |
| Seat width without hip guides |
14 |
| Seat depth (1" increments) |
11 – 16 |
| Armrest height above seat |
7 – 10½ |
| Trunk support width |
6½ – 12 |
| Backrest height above seat |
15½ – 19 |
| Headrest height above seat |
17½ – 24½ |
| Maximum working load (lb) |
150 |
More information about the Activity Chair is located in the Product Manual.
Having trouble printing this chart? Try this printer-friendly chart instead.
Download the Activity Chair Positioning Checklist.
| Activity Chair Sizes |
|
|
