Patent ID: 9586678
Date: 2017-03-07
CPC Classifications: B60T,B64C,F16D

Claim:
1. A park brake system, comprising: a motor shaft having a first diameter portion and a second diameter portion, the second diameter portion having a greater diameter than the first diameter portion, a spring disposed at least partially around a circumference of the motor shaft, a wire coil disposed at least partially around a circumference of a bobbin, a one-way clutch disposed at least partially within the bobbin and coaxial to the motor shaft, an annular magnet disposed coaxial to the motor shaft and distal to at least a portion of the bobbin, and a clutch release mechanism disposed coaxial to the motor shaft and around the first diameter portion, wherein, in response to a first voltage applied to the wire coil, the one-way clutch translates axially in a first direction relative to the motor shaft and engages with the second diameter portion, and wherein, in response to a second voltage applied to the wire coil, the one-way clutch translates axially in a second direction relative to the motor shaft and engages with the clutch release mechanism.