Ergoweb Learning Center

September 6, 2013

Forearm Brace

Forearm brace provides heavy force with no wrist strain Principles affected Force Background Certain types of tools and tasks can place considerable strain on the wrist. […]
September 6, 2013

Hand Straps and Clips

Innovative strap on Whizard® knife (see comments below) Principles affected Fatigue Background Constantly holding a hand tool can fatigue muscles (“static grip”), cause pain, and interfere […]
September 6, 2013

Long Handles and Extenders

Short handle:  long reach Long handle: no reach Principles affected Posture Height Related pages Tools Second handles Background The value of a long-handled tool has been […]
September 6, 2013

Second Handles

A second handle can help Principles affected Force Reach Fatigue Related pages Tool grips Background Second handles on hand tools help to: Increase control and maneuverability […]
September 6, 2013

Mounted Hand Tools

Bench mounted tools Principles affected Force Motions Fatigue Related pages Tools Counterbalances Hand straps Background This strategy has to do with mounting tools that are typically […]
September 6, 2013

Counterbalances and supports

Multi-purpose arm: Suspension, torque control, and point-of-use storage Principles affected Posture Force Fatigue Environment (shock, vibration) Related pages Workstations Fixtures, benchtop Fixtures, floor-based Tools Torque control […]
September 6, 2013

Control of Torque Reaction

  Visible jerk when fastener bottoms out Principles affected Environment (shock) Related pages Tools Counterbalances Background Assemblers who use power fastening tools (such as powered screwdrivers […]
September 6, 2013

Hose and Connectors

Heavy and stiff Principles affected Force Related pages   Background Air power tools require a hose that in some circumstances can make the job unnecessarily more […]
September 6, 2013

Triggers

Principles affected Posture Force Motions Fatigue Pressure points Related pages Straps Background The triggers on some power tools, especially older models, have been found to require […]