Elastic motor having time-averaged constant torque output

Elastic motor with constant torque output

Electric actuators

Electro-mechanical pivot wing drive for pivoting wings of doors

Energy accumulator

Energy recovery device

Fail safe valve actuator

Fail-safe mechanical drive for syringe

Fast-winding spring motor

Flat spool elastic motor having time-averaged constant...

Governor means for toy and game motors or the like

Lever-actuated bicycle energy storage assembly

Linear actuator having manual override and locking mechanism

Linear actuator with speed controlling brake

Linear motion drive

Mainspring mechanism and device having the same

Manual override and locking mechanism and actuator including...

Mechanical stored energy positioning actuator

Method and apparatus for tensioning an accumulator spring of a d

Motor driven valve