Dual Arm![]() |
Single Arm |
Tilt'n Turner |
Locking Tilt Module |
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| Description |
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| Comparison |
3 joints; 1,728 lock positions |
2 joints, 144 positions |
One joint, 12 positions |
No joints |
| Easy setup; versatile placement and positioning | Less placement versatility than dual; fewer locking and operating positions | Allows a person to rotate their device or tray 360 degrees | Versatile placement when attached to a tray | |
| Easier to move to multiple operating positions | Requires more reach to move out of the way | Accessible to hand on the side it is mounted to | No Quick Release Plate provided like in the dual, single and Tilt’n Turner systems | |
| Requires very little reach to move from one position to another | More compact | Very compact. Typically mounts to one side of a wheelchair or on a workstation | Very Compact | |
| If device needs to be low for access, dual arm height may be a problem | Device can be lower than dual; distance from bottom of arm to top of device is less | Device cannot be moved out of the way | Typically mounts to a tray or table top | |
| More expensive | Mid-range price | Least expensive | Even less expensive | |
| Dual Arm |
Single Arm |
Tilt'n Turner |
Locking Tilt Module (LTM) | |
| Number of arm segments |
2 | 1 |
0 |
attaches to tray or table |
| Comparison |
1 |
2 |
3 |
4 |
| Rotation: 360 degrees per joint |
3 joints Shoulder, Elbow, Wrist |
2 joints Shoulder, Wrist |
1 joint Wrist |
When mounted to a tray, it rotates 360 degrees |
| Full extension |
15 inches from shoulder to wrist joint |
7.5 inches from shoulder to wrist joint |
2 inches from wrist to post |
N/A |
| Possible lock positions |
12 per joint 1728 combinations |
12 per joint 144 combinations |
12 |
Tilt adjusts and locks from 0-90. No rotation. Fixed placement. |
| Note: all 3 systems have a fine tuner located in the shoulder joint. The fine tuner allows adjustments at 5 degree increments. |
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| User Controls |
Hoop unlocks shoulder and elbow Paddle unlocks wrist Tilt lock lever |
Hoop unlocks shoulder Paddle unlocks wrist Tilt lock lever |
Paddle unlocks device Tilt lock lever |
Tilt lock lever |
| Effort to unlock and move |
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< 1 pound to unlock tilt Adjustment force depends on torque hinge. |
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| Reach required to reposition |
Requires some lateral (side to side) motion, but very little forward reach. |
Requires ~10 inches forward reach to get it out of the way and/or retrieve it. Required reach is reduced if shoulder unlocks and no other locks set; arm may be used to move it. |
Reach depends on placement. No extra reach to rotate it. |
Minimal if tray is placed within reach and tray rotates. |