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TESTIMONIALS
"We have received and installed the keyboard tray. The measurements were perfect and it slides under the desk when not in use. Both my husband and I are very happy with the purchase and we thank you very much for your assistance in helping us with our decision."
Suzanne Nessary |
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ErgoStore Keyboard Arm Comparison
For more information and definitions of terms click on the
links below.
| Name |
Arm Control Type |
Track Length |
Track Type |
Maximum Height Above Mounting Surface |
Maximum Depth Below Mounting Surface |
Platform Tilt Control Type |
Platform Tilt Range (Platform NOT included) |
Swivel |
| AM-01 |
Leverlock (Finger tip pull type) |
17" |
Ball bearing Track |
0 |
6" |
Leverlock (Finger tip pull type) |
Plus or minus 25° |
360° at mount |
| AM-02 |
Leverlock |
21" |
Ball bearing Track |
0 |
6" |
Finger-tip pull |
Plus or minus 15° |
360° at mount |
| AM-10 |
Spring Assisted with Soft-touch Knob (one knob for height
and tilt) |
17" or 21 |
Teflon Glide |
0 |
5.5" |
Spring Assisted with Soft-touch Knob (one knob for height
and tilt) |
Plus 10° Minus15° |
360° at mount |
| AM-14 |
Leverlock (one for height) |
17 3/4" |
Teflon Glide |
0 |
5.75" |
Leverlock (second for tilt) |
Plus or Minus 15° |
360° at mount |
| AM-15 |
Spring Assisted Single Knob (one knob for both height and
tilt) |
17 3/4" |
Teflon Glide. |
0 |
5.75" |
Spring Assisted Single Knob (one knob for both height and
tilt) |
Plus or Minus 15° |
360° at mount |
| AM-16 |
Lift and Lock |
21" |
Teflon Glide |
1.5" |
7" |
Leverlock |
Plus or Minus 15° |
360° at mount |
| AM-17 |
Lift and Lock |
21" |
Teflon Glide |
0 |
6" |
Soft Touch Knob |
Plus or Minus 15° |
360° at mount |
| AM-18 |
Lift and Lock |
21" |
Ball bearing Track |
0 |
5" |
Leverlock |
Plus or Minus 15° |
360° at mount |
| AM-19 |
Lift and Lock |
23" |
Teflon Glide |
4" |
6 3/4" |
Soft Touch Knob |
Plus or Minus 15° |
360° at mount |
| AM-21 |
Leverlock (Finger tip pull type) |
17" |
Teflon Glide |
0 |
6" |
Leverlock (Finger tip pull type) |
Plus or Minus 15° |
360° at mount |
| AM-27 |
Lift and Lock |
21" |
Teflon Glide |
2 1/2" |
5 3/4" |
Dial-a-Tilt shows exact angle of tilt and height. |
Plus 10° Minus15° |
360° at mount |
| AM-33 |
Spring Assisted Knob |
None (fixed mount) |
None |
0 |
6" |
Leverlock |
Plus or Minus 15° |
360° at mount |
| AM-34 |
Spring Assisted Single Knob (one knob for both height and
tilt) |
23" (Also has clamp mount keyboard tray INCLUDED) |
Teflon Glide |
0 |
5.75 |
Spring Assisted Single Knob (one knob for both height and
tilt) |
Plus or Minus 15° |
360° at mount |
| AM-57 |
Lift and Lock |
21" |
Teflon Glide |
6" |
6" |
Leverlock |
Plus or Minus 15° |
360° at mount |
| AA350 |
Lift and Lock |
21" |
Teflon Glide |
0 |
6" |
Soft touch knob |
Plus or Minus 15° |
360° at BOTH mount and where tray meets arm. |
Explanation of Terminology
- Lift and Lock
- Allows for height adjustment for different body types without using awkward
levers or knobs. After positioning, an internal ratchet holds the
mechanism in place, so the arm remains firmly in place while typing.
Storing the arm is just as easy. Simply tilt the platform forward and
gently push down to lower, then slide it under your work surface and out of
your way.
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- Leverlock
- Adjustment is made by releasing the handle, adjusting the position, then
relocking the handle to lock the position. Some arms use one lever for
both height and tilt, others combine both adjustments in one lever.
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- Spring Assisted Knob
- Allows for easy adjustment by supporting the mechanism during transfer
with an internal spring. Adjustment is made by twisting the knob,
adjusting the position, then twisting the knob back to lock the
position. Some arms use one knob for both height and tilt, others
combine both adjustments in one knob.
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On tracks less than 21", platform my not completely retract in stored
position. Track length should be selected based on the depth of your desk
or mounting surface.
- Ball Bearing
- Provides a fluid, quiet glide.
- Teflon Glide
- A smoother glide than ball bearing, a Teflon glide is completely sealed to
prevent dust and other elements from entering the mechanism.
The most important feature is the ability to adjust the height. Keyboard
height is determined by your chair height (if sitting) and arm length. Being
able to fine tune that and adjust it as you adjust your sitting position
throughout the day is essential
- Leverlock
- Adjustment is made by releasing the handle, adjusting the position, then
relocking the handle to lock the position. Some arms use one lever for
both height and tilt, others combine both adjustments in one lever.
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- Finger Tip Pull Release
- A lever lock at the front of the mechanism, which allows for easy
access. Adjustment is made by releasing the handle, adjusting the
position, then relocking the handle to lock the position.
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- Soft Touch Knob
- Allows for easy adjustment by supporting the mechanism during transfer
with an internal spring. Adjustment is made by twisting the knob,
adjusting the position, then twisting the knob back to lock the
position. Some arms use one knob for both height and tilt, others
combine both adjustments in one knob.
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Why adjust your keyboard tilt?
The keyboard needs to be held at a comfortable, negative angle that allows the
wrists to remain unbroken. This angle should be easy to set once, but does not
need to be changed often. Keyboard tilt does not need to be adjusted during
posture changes as the angle of your arms should remain relatively constant
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