Exit device trim locking

1 . An exit device assembly configured for mounting to a door having an egress side and a non-egress side opposite the egress side, the exit device assembly comprising:

a trim configured for mounting to the non-egress side of the door, the trim comprising a lift finger and a manual actuator operable to drive the lift finger in an actuating direction; and

a pushbar assembly configured for mounting to the egress side of the door, the pushbar assembly comprising a channel member, a header case positioned at an end of the channel member, a latch control assembly positioned in the header case, and a drive assembly including a pushbar operable to drive the latch control assembly between a deactuating state and an actuating state, wherein the lift finger is engaged with the latch control assembly such that movement of the lift finger in the actuating direction drives the latch control assembly from the deactuating state to the actuating state;

wherein the pushbar assembly further comprises a trim lock assembly mounted to the header case, the trim lock assembly comprising:

a blocking member comprising a blocking surface, wherein the blocking member is positioned within the header case and rotatable between a blocking position in which the blocking surface engages the lift finger such that the blocking member blocks actuating movement of the lift finger, and an unblocking position in which the blocking surface is disengaged from the lift finger such that the blocking member does not block actuating movement of the lift finger; and

a lock actuator rotatably mounted to the header case and rotatable about a rotational axis to correspondingly rotate the blocking member about the rotational axis between the blocking position and the unblocking position.

2 . The exit device assembly of claim 1 , further comprising a latch mechanism having a deactuated state in which the latch mechanism is operable to retain the door in a closed position and an actuated state in which the latch mechanism is configured to permit opening of the door; and

wherein the latch mechanism is operably connected with the latch control assembly such that movement of the latch control assembly from the deactuating state to the actuating state drives the latch mechanism from the deactuated state to the actuated state.

3 . The exit device assembly of claim 1 , wherein the lock actuator is a mechanical lock actuator.

4 . The exit device assembly of claim 1 , wherein the trim lock device further comprises a viewing window and an indicator comprising a locked indicium and an unlocked indicium;

wherein, with the blocking member in the blocking position, the locked indicium is aligned with the viewing window; and

wherein, with the blocking member in the unblocking position, the unlocked indicium is aligned with the viewing window.

5 . The exit device assembly of claim 1 , wherein the lock actuator comprises a tail piece received in an opening of the blocking member, and wherein rotation of the tailpiece about the rotational axis correspondingly rotates the blocking member about the rotational axis between the blocking position and the unblocking position.

6 . The exit device assembly of claim 1 , wherein the blocking member rotates by about 90° between the blocking position and the unblocking position.

7 . The exit device assembly of claim 1 , wherein the blocking member comprises an indicator, wherein rotation of the blocking member between the blocking position and the unblocking position transitions the indicator between a first state in which the indicator displays a first indicium and a second state in which the indicator does not display the first indicium.

8 . The exit device assembly of claim 1 , wherein the blocking member comprises a first projection and a second projection spaced from the first projection;

wherein the first projection blocks actuating movement of the lift finger when the blocking member is in a first blocking position; and

wherein the second projection blocks actuating movement of the lift finger when the blocking member is in a second blocking position.

9 . A pushbar assembly configured to be mounted to an egress side of a door opposite a trim mounted to a non-egress side of the door, the trim comprising a lift finger, the pushbar assembly comprising:

a channel member;

a pushbar having a projected position in which the pushbar projects from the channel member and a depressed position in which the pushbar is at least partially received in the channel member;

a header case positioned adjacent an end of the channel member; and

a trim lock device mounted to the header case, the trim lock device comprising:

a blocking member comprising a projection, wherein the blocking member is rotatably mounted within the header case for rotation between a blocking position in which the projection blocks actuating movement of the lift finger and an unblocking position in which the blocking member does not block actuating movement of the lift finger; and

a lock actuator mounted to the header case and rotatable about a rotational axis to rotate the blocking member about the rotational axis between the blocking position and the unblocking position.

10 . The pushbar assembly of claim 9 , further comprising:

an indicator operably connected with the blocking member, wherein rotation of the blocking member between the blocking position and the unblocking position transitions the indicator between a first state in which the indicator displays a first indicium via a viewing window and a second state in which the indicator does not display the first indicium.

11 . The pushbar assembly of claim 10 , wherein the first indicium comprises a locked indicium and is displayed via the viewing window when the blocking member is in the blocking position.

12 . The pushbar assembly of claim 11 , wherein the indicator further comprises an unlocked indicium that is displayed via the viewing window when the blocking member is in the unblocking position.

13 . The pushbar assembly of claim 9 , wherein the lock actuator is a mechanical lock actuator.

14 . The pushbar assembly of claim 13 , wherein the mechanical lock actuator comprises a thumbturn.

15 . The pushbar assembly of claim 9 , further comprising an adapter configured for mounting to an end portion of the lift finger;

wherein the blocking member in the blocking position prevents movement of the adapter in an actuating direction; and

wherein the blocking member in the unblocking position does not prevent movement of the adapter in the actuating direction.

16 . An exit device assembly including the pushbar assembly of claim 9 , the exit device assembly further comprising the trim;

wherein the pushbar assembly further comprises a latch control assembly mounted in the header case, wherein the latch control assembly is operably connected with the pushbar such that the pushbar is operable to drive the latch control assembly between an actuating state and a deactuating state;

wherein the lift finger is engaged with the latch control assembly such that movement of the lift finger in an actuating direction drives the latch control assembly from the deactuating state to the actuating state; and

wherein the blocking member in the blocking position prevents movement of the lift finger in the actuating direction.

17 . The exit device assembly of claim 16 , further comprising a latch mechanism operably connected with the latch control assembly such that movement of the latch control assembly from the deactuating position to the actuating position actuates the latch mechanism.

18 . The exit device assembly of claim 17 , wherein the pushbar assembly comprises the latch mechanism.

19 . The exit device assembly of claim 17 , wherein the latch control assembly includes an upper driver and a lower driver;

wherein the latch mechanism is positioned above the pushbar assembly and is operably coupled with the upper driver; and

wherein the lift finger is engaged with the lower driver.

20 . The pushbar assembly of claim 9 , wherein the lock actuator comprises a tail piece received in an opening of the blocking member, and wherein rotation of the tailpiece about the rotational axis correspondingly rotates the blocking member about the rotational axis between the blocking position and the unblocking position.

21 . The pushbar assembly of claim 9 , wherein the blocking member rotates by about 90° between the blocking position and the unblocking position.

22 . A system comprising the pushbar assembly of claim 9 , wherein the system further comprises the trim; and

wherein the pushbar assembly and the trim are mounted to opposite sides of the door.

23 . A trim lock device configured to be mounted to an egress side of a door opposite a trim mounted to a non-egress side of the door, the trim comprising a lift finger, the trim lock device comprising:

a housing comprising a window;

a blocking member comprising:

a body mounted in the housing, the body having a first side and an opposite second side;

a projection projecting from the first side of the body; and

an indicator positioned on the second side of the body;

wherein the blocking member is rotatably mounted to the housing for rotation between a blocking position in which the projection blocks actuating movement of the lift finger and an unblocking position in which the blocking member does not block actuating movement of the lift finger; and

a lock actuator movably mounted to the housing and operable to rotate the blocking member between the blocking position and the unblocking position;

wherein rotation of the blocking member between the blocking position and the unblocking position transitions the indicator between a first state in which the indicator displays a first indicium via the window and a second state in which the indicator does not display the first indicium.

24 . A system comprising the trim lock device of claim 23 , wherein the system further comprises the trim; and

wherein the trim lock device and the trim are mounted to opposite sides of the door.

25 . A trim lock device configured to be mounted to an egress side of a door opposite a trim mounted to a non-egress side of the door, the trim comprising a lift finger, the trim lock device comprising:

a housing;

a blocking member comprising:

a first projection, and wherein the blocking member is rotatably mounted to the housing for rotation between a first blocking position in which the first projection blocks actuating movement of the lift finger and an unblocking position in which the blocking member does not block actuating movement of the lift finger; and

a second projection, and wherein the blocking member has a second blocking position in which the second projection blocks actuating movement of the lift finger, wherein the second blocking position is different from the first blocking position; and

a lock actuator operable to rotate the blocking member between the blocking position and the unblocking position.

26 . A system comprising the trim lock device of claim 25 , wherein the system further comprises the trim; and

wherein the trim lock device and the trim are mounted to opposite sides of the door.

27 . The trim lock device of claim 25 , wherein the first projection and the second projection are positioned diametrically opposite one another.

28 . A method of operating an exit device assembly comprising a trim mounted to a non-egress side of a door, a pushbar assembly mounted to an egress side of the door opposite the non-egress side, a trim lock device mounted to the egress side of the door, and a latch mechanism operably connected with the pushbar assembly and the trim such that each of the pushbar assembly and the trim is at least selectively operable to actuate the latchbolt mechanism, wherein the trim lock device comprises a blocking member and a lock actuator that is accessible from the egress side of the door when the door is closed, the method comprising:

in response to rotation of the lock actuator about a rotational axis by a user on the egress side of the door when the door is closed, rotating the blocking member about the rotational axis between a blocking position and an unblocking position;

wherein the blocking member in the blocking position prevents actuating movement of a lift finger of the trim, thereby preventing the trim from actuating the latch mechanism; and

wherein the blocking member in the unblocking position permits actuating movement of the lift finger, thereby permitting the trim to actuate the latch mechanism.

29 . The method of claim 28 , wherein rotation of the lock actuator comprises manually rotation of an actuating piece to thereby rotate the blocking member.

30 . The method of claim 28 , further comprising:

selectively displaying, via a viewing window of the trim lock device, a locked indicium when the blocking member is in the blocking position; and

selectively displaying, via the viewing window, an unlocked indicium when the blocking member is in the unblocking position.

31 . The method of claim 28 , wherein the lock actuator comprises a tail piece received in an opening of the blocking member, and wherein rotation of the tailpiece about the rotational axis correspondingly rotates the blocking member about the rotational axis between the blocking position and the unblocking position.

32 . The method of claim 28 , wherein the blocking member rotates by about 90° between the blocking position and the unblocking position.

33 . An exit device assembly configured for mounting to a door having an egress side and a non-egress side opposite the egress side, the exit device assembly comprising:

an electrified door lock device operable to selectively prevent opening of the door, the electrified door lock device including an electronic actuator operable to transition the electrified door lock device between a locked state and an unlocked state;

a pushbar assembly configured for mounting to the egress side of the door, the pushbar assembly comprising a drive assembly, the drive assembly including a pushbar operable to actuate the drive assembly to thereby permit opening of the door; and

a mode selector installed to the pushbar assembly, the mode selector comprising:

an actuating mechanism configured to transition the mode selector between a locking state and an unlocking state;

control circuitry in communication with the electrified door lock device, wherein the control circuitry is configured to transmit a lock signal when the mode selector is in the locking state, and wherein the control circuitry is configured to transmit an unlock signal when the mode selector is in the unlocking state; and

a mechanical indicator device having a lock-indicating position in which a locked indicium is visible via a window in the pushbar assembly when the mode selector is in the locking state, and wherein the mechanical indicator device has an unlock-indicating position in which an unlocked indicium is visible via the window when the mode selector is in the unlocking state;

wherein the electronic actuator is configured to transition the electrified door lock device from the unlocked state to the locked state in response to the lock signal;

wherein the electronic actuator is configured to transition the electrified door lock device from the locked state to the unlocked state in response to the unlock signal; and

wherein the control circuitry further comprises a second electronic actuator configured to place the mechanical indicator device in the lock-indicating position when the mode selector is in the locking state and to place the mechanical indicator device in the unlock-indicating position when the mode selector is in the unlocking state.

34 . An exit device assembly configured for mounting to a door having an egress side and a non-egress side opposite the egress side, the exit device assembly comprising:

an electrified door lock device operable to selectively prevent opening of the door, the electrified door lock device including an electronic actuator operable to transition the electrified door lock device between a locked state and an unlocked state;

a pushbar assembly configured for mounting to the egress side of the door, the pushbar assembly comprising a drive assembly, the drive assembly including a pushbar operable to actuate the drive assembly to thereby permit opening of the door; and

a mode selector installed to the pushbar assembly, the mode selector comprising:

an actuating mechanism configured to transition the mode selector between a locking state and an unlocking state; and

control circuitry in communication with the electrified door lock device, wherein the control circuitry is configured to transmit a lock signal when the mode selector is in the locking state, and wherein the control circuitry is configured to transmit an unlock signal when the mode selector is in the unlocking state;

wherein the electronic actuator is configured to transition the electrified door lock device from the unlocked state to the locked state in response to the lock signal;

wherein the electronic actuator is configured to transition the electrified door lock device from the locked state to the unlocked state in response to the unlock signal;

wherein the electrified door lock device has:

a default state;

a non-default state;

an electric locking mode in which the default state is the unlocked state and the non-default state is the locked state; and

an electric unlocking mode in which the default state is the locked state and the non-default state is the unlocked state;

wherein one of the lock signal or the unlock signal comprises an electrical current, and wherein the electronic actuator is configured to transition the electrified door lock device from the default state to the non-default state in response to the electrical current;

wherein the other of the lock signal or the unlock signal comprises absence of the electrical current, and wherein the electronic actuator is configured to transition the electrified door lock device from the non-default state to the default state in response to absence of the electrical current; and

wherein the electrified door lock device further comprises a switch operable to change the electrified door lock device between the electric locking mode and the electric unlocking mode.

35 . A retrofit kit configured for use with an exit device assembly comprising a pushbar assembly installed to a first side of a door, the retrofit kit comprising:

a retrofit cover plate configured to replace an existing cover plate of the pushbar assembly, the retrofit cover plate comprising a window; and

a mode selector mounted to the retrofit cover plate, the mode selector comprising:

an actuating mechanism operable to transition a locking/unlocking state of the mode selector between a locking state and an unlocking state;

mode selector control circuitry configured to transmit a lock/unlock signal corresponding to the locking/unlocking state of the mode selector; and

an indicator device aligned with the window, the indicator device configured to display locked/unlocked indicia corresponding to the locking/unlocking state of the mode selector;

wherein the actuating mechanism comprises a mechanical actuating mechanism;

wherein the mode selector control circuitry comprises a position sensor configured to sense a locking/unlocking position of the mechanical actuating mechanism; and

wherein the mode selector control circuitry is configured to transmit the lock/unlock signal based upon the locking/unlocking position of the mechanical actuating mechanism.

36 . A method of operating an exit device assembly comprising an electrified door lock device operable to selectively prevent opening of a door via a latch mechanism, a pushbar assembly mounted to an egress side of the door and operable to actuate the latch mechanism to permit opening of the door, and a trim installed to a non-egress side of the door and comprising a manual actuator selectively operable to actuate the latch mechanism, the method comprising:

receiving, via an actuating mechanism of a mode selector, an actuating input, wherein the actuating input transitions a locking/unlocking state of the mode selector from a prior locking/unlocking state to a current locking/unlocking state;

in response to the actuating input, causing an indicator device of the mode selector to display locked/unlocked indicia corresponding to the current locking/unlocking state;

in response to the actuating input, transmitting, by control circuitry of the mode selector and to an electronic actuator of the electrified door lock device, a lock/unlock signal corresponding to the current locking/unlocking state; and

in response to the lock/unlock signal, operating the electronic actuator to adjust a locked/unlocked state of the electrified door lock device to match to the current locking/unlocking state of the mode selector;

by the electrified door lock device, preventing the manual actuator from actuating the latch mechanism when the locked/unlocked state of the electrified door lock device is a locked state; and

by the electrified door lock device, permitting the manual actuator to actuate the latch mechanism when the locked/unlocked state of the electrified door lock device is an unlocked state.