Motorized trim

1. A trim assembly, comprising:

a housing assembly;

a cam rotatably mounted to the housing assembly;

a lift finger slidably mounted in the housing assembly, wherein the lift finger is engaged with the cam such that the cam is operable to linearly drive the lift finger between a deactuated position and an actuated position;

an interface member pivotally mounted in the housing assembly, wherein the interface member is engaged with the lift finger such that movement of the lift finger between the deactuated position and the actuated position moves the interface member between a home position and an offset position;

a blocking member movably mounted in the housing assembly, the blocking member having a blocking position in which the blocking member retains the interface member in the home position to thereby retain the lift finger in the deactuated position, the blocking member having an unblocking position in which the blocking member permits movement of the interface member between the home position and the offset position to thereby permit movement of the lift finger between the deactuated position and the actuated position; and

an electrically-operable driver mounted in the housing and engaged with the blocking member, wherein the driver is configured to move the blocking member between the blocking position and the unblocking position to thereby lock and unlock the trim assembly.

2. The trim assembly of claim 1 , wherein the driver comprises an electric actuator and a spring engaged between the actuator and the blocking member, and wherein the actuator is configured to load the spring such that the spring urges the blocking member to move between the blocking position and the unblocking position.

3. The trim assembly of claim 2 , wherein the spring is a coil spring, wherein the trim assembly further comprises a projection extending into the coil spring such that the projection is received between coils of the coil spring, and wherein the projection is engaged with the blocking member to transmit forces between the coil spring and the blocking member.

4. The trim assembly of claim 3 , wherein the actuator is configured to load the coil spring by rotating the coil spring, thereby causing coils of the coil spring to engage the projection.

5. The trim assembly of claim 2 , wherein the actuator is a linear actuator and is configured to load the spring by exerting a linear force on the spring.

6. The trim assembly of claim 1 , further comprising a control assembly including a controller and an energy storage device, wherein the controller is operable to actuate the driver using electrical energy stored by the energy storage device.

7. The trim assembly of claim 6 , wherein the control assembly is operable to receive power from an external device, and wherein the control assembly is further configured to:

charge the energy storage device to a threshold charge using the power;

actuate the driver in a first manner to urge the blocking member to a first position; and

in response to power from the external device terminating, actuate the driver in a second manner to urge the blocking member to a second position; and

wherein the first position is one of the blocking position or the unblocking position, and wherein the second position is the other of the blocking position or the unblocking position.

8. The trim assembly of claim 1 , wherein the blocking member is pivotably mounted to the housing assembly.

9. The trim assembly of claim 1 , wherein the interface member is biased toward the home position.

10. The trim assembly of claim 1 , further comprising a projection operable to transmit forces between the blocking member and a coil spring of the driver;

wherein the projection is received between coils of the coil spring such that rotation of the coil spring urges the projection to drive the blocking member between the blocking position and the unblocking position; and

wherein the driver further comprises a rotary motor operable to rotate the coil spring.

11. The trim assembly of claim 10 , wherein the blocking member includes the projection.

12. The trim assembly of claim 10 , further comprising a link including the projection; and

wherein the link is engaged with the blocking member.

13. The trim assembly of claim 1 , wherein the interface member is configured to pivot between the home position and the offset position;

wherein the interface member includes a shoulder; and

wherein the blocking member engages the shoulder when in the blocking position and thereby prevents pivoting of the interface member to the offset position.

14. The trim assembly of claim 1 , further comprising a slider and a spring mechanism mounted to the slider; and

wherein the lift finger is engaged with the cam mechanism via the slider and the spring mechanism.

15. A trim assembly, comprising:

a housing assembly;

a cam rotatably mounted to the housing assembly;

a lift finger slidably mounted in the housing assembly, wherein the lift finger is engaged with the cam such that the cam is operable to linearly drive the lift finger between a deactuated position and an actuated position;

an interface member movably mounted in the housing assembly, wherein the interface member is engaged with the lift finger such that movement of the lift finger between the deactuated position and the actuated position moves the interface member between a home position and an offset position;

a blocking member movably mounted in the housing assembly, the blocking member having a blocking position in which the blocking member retains the interface member in the home position to thereby retain the lift finger in the deactuated position, the blocking member having an unblocking position in which the blocking member permits movement of the interface member between the home position and the offset position to thereby permit movement of the lift finger between the deactuated position and the actuated position;

an electrically-operable driver mounted in the housing and engaged with the blocking member, wherein the driver is configured to move the blocking member between the blocking position and the unblocking position to thereby lock and unlock the trim assembly; and

a control assembly including a controller and an energy storage device, wherein the controller is operable to actuate the driver using electrical energy stored by the energy storage device, and wherein the control assembly further comprises a switch operable to transition the control assembly between a first mode and a second mode;

wherein in the first mode, the driver is actuated in a first manner to urge the blocking member to a first position; and

wherein in the second mode, the driver is actuated in a second manner to urge the blocking member to a second position.

16. A trim assembly, comprising:

a housing assembly;

a cam rotatably mounted to the housing assembly;

a lift finger slidably mounted in the housing assembly, wherein the lift finger is engaged with the cam such that the cam is operable to linearly drive the lift finger between a deactuated position and an actuated position;

an interface member movably mounted in the housing assembly, wherein the interface member is engaged with the lift finger such that movement of the lift finger between the deactuated position and the actuated position moves the interface member between a home position and an offset position;

a blocking member movably mounted in the housing assembly, the blocking member having a blocking position in which the blocking member retains the interface member in the home position to thereby retain the lift finger in the deactuated position, the blocking member having an unblocking position in which the blocking member permits movement of the interface member between the home position and the offset position to thereby permit movement of the lift finger between the deactuated position and the actuated position, wherein the interface member is configured to urge the blocking member in response to movement of the lift finger from the actuated position toward the deactuated position; and

an electrically-operable driver mounted in the housing and engaged with the blocking member, wherein the driver is configured to move the blocking member between the blocking position and the unblocking position to thereby lock and unlock the trim assembly.

17. The trim assembly of claim 16 , wherein the blocking member in the blocking position is operable to move in a first direction toward the unblocking position;

wherein the interface member is configured to urge the blocking member in a second direction in response to movement of the lift finger from the actuated position toward the deactuated position; and

wherein the second direction is orthogonal to the first direction.

18. A trim assembly, comprising:

a housing assembly;

a cam rotatably mounted to the housing assembly;

a lift finger slidably mounted in the housing assembly, wherein the lift finger is engaged with the cam such that the cam is operable to linearly drive the lift finger between a deactuated position and an actuated position;

an interface member movably mounted in the housing assembly, wherein the interface member is engaged with the lift finger such that movement of the lift finger between the deactuated position and the actuated position moves the interface member between a home position and an offset position;

a blocking member slidably mounted to the housing assembly, the blocking member having a blocking position in which the blocking member retains the interface member in the home position to thereby retain the lift finger in the deactuated position, the blocking member having an unblocking position in which the blocking member permits movement of the interface member between the home position and the offset position to thereby permit movement of the lift finger between the deactuated position and the actuated position; and

an electrically-operable driver mounted in the housing and engaged with the blocking member, wherein the driver is configured to move the blocking member between the blocking position and the unblocking position to thereby lock and unlock the trim assembly.

19. The trim assembly of claim 18 , wherein the interface member is slidably mounted to the housing assembly and is configured to slide between the home position and the offset position;

wherein the interface member includes an opening; and

wherein the blocking member is received in the opening when in the blocking position and thereby prevents sliding movement of the interface member to the offset position.

20. The trim assembly of claim 18 , wherein the interface member is slidably mounted to the housing assembly.