Patent attributes
A rotary power transmission device includes a device housing having an interior in which multiple gears are received for rotation, a clutch received within the device housing and having a clutch ring selectively engageable with one of the multiple gears, and an actuator having a coil and a plunger driven for movement along an axis and relative to the clutch ring. The plunger has a first position and a second position in which the clutch ring is engaged with one of the multiple gears. The plunger includes a first body formed at least partially from a magnetically responsive material, and includes a radially outer surface, a radially inner surface and a front face that is axially variable and arranged so that a radially outer portion of the front face is axially forward of a radially inner portion of the front face.
