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1. (WO2019040965) A LATCH AND/OR LOCK ASSEMBLY
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CLAIMS

1. A lock assembly configured for operatively interconnecting a first handle mechanism and a second handle mechanism, the first handle mechanism comprising a first handle that is manually movable about a handle axis, and the second handle mechanism comprising a second handle that is manually movable about the handle axis, wherein the lock assembly comprises: a bolt configured for latching and/or locking engagement in a respective or

complementary recess; and

a bolt retractor mechanism for moving the bolt from an extended position for engagement in the recess to a retracted position for disengagement from the recess, wherein the bolt retractor mechanism includes:

a retractor member configured to pivot about a retractor axis for moving the bolt between the extended position and the retracted position,

a first force receiving part configured for operative connection or engagement with the first handle mechanism for receiving force to pivot the retractor member about the retractor axis, and

a second force receiving part configured for operative connection or engagement with the second handle mechanism for receiving force to pivot the retractor member about the retractor axis.

2. The lock assembly of claim 1 , wherein the retractor mechanism of the lock assembly is configured for direct connection or engagement with at least one of the first handle mechanism and the second handle mechanism.

3. The lock assembly of claim 1 or 2, wherein the retractor mechanism of the lock assembly is configured to be arranged axially between the first handle and the second handle.

4. The lock assembly of any one of claims 1 to 3, wherein the lock assembly comprises: a first handle mechanism having a first handle that is manually movable about a handle axis;

a first force providing part operatively associated with the first handle for movement in response to movement of the first handle;

a second handle mechanism having a second handle that is manually movable about the handle axis; and

a second force providing part operatively associated with the second handle for movement in response to movement of the second handle.

5. A lock assembly comprising:

a first handle mechanism,

a second handle mechanism,

a bolt for latching and/or locking engagement in a respective or complementary recess; and

a bolt retractor mechanism for moving the bolt from an extended position for engagement in the recess to a retracted position for disengagement from the recess,

wherein, the first handle mechanism comprises a first handle that is manually movable about a handle axis and a first force providing part operatively associated with the first handle for movement in response to movement of the first handle, and the second handle mechanism comprises a second handle that is manually movable about the handle axis and a second force providing part operatively associated with the second handle for movement in response to movement of the second handle, and

wherein the bolt retractor mechanism includes:

a retractor member configured to pivot about a retractor axis for moving the bolt between the extended position and the retracted position,

a first force receiving part configured for operative connection or engagement with the first force providing part of the first handle mechanism for receiving force to pivot the retractor member about the retractor axis, and

a second force receiving part configured for operative connection or engagement with the second force providing part of the second handle mechanism for receiving force to pivot the retractor member about the retractor axis.

6. The lock assembly of claim 5, wherein the handle axis and the retractor axis are substantially parallel.

7. The lock assembly of claim 5 or 6, wherein the first force receiving part and/or the second force receiving part of the retractor mechanism is/are configured for respective operative connection or engagement with the first force providing part and/or with the second force providing part of the first and second handle mechanisms in a region located between the handle axis and the retractor axis.

8. The lock assembly of any one of claims 5 to 7, wherein the first force providing part of the first handle mechanism includes a first drive gear member and the first force receiving part of the retractor mechanism includes a first pinion or driven gear member that is configured for meshed engagement with the first drive gear member.

9. The lock assembly of any one of claims 5 to 8, wherein the second force providing part of the second handle mechanism includes a second drive gear member and the second force receiving part of the retractor mechanism includes a second pinion or driven gear member configured for meshed engagement with the second drive gear member.

10. The lock assembly of any one of claims 5 to 9, wherein the retractor mechanism includes a retractor shaft via which torque from turning the first handle or the second handle is transmitted to the retractor member for moving the bolt.

11. The lock assembly of claim 10, wherein the retractor member is rigidly, or at least non-rotatably, connected to the retractor shaft.

12. The lock assembly of claim 10 or 11, wherein the retractor shaft is straight and defines the retractor axis about which the retractor member is configured to pivot.

13. The lock assembly of any one of claims 10 to 12, wherein the first force receiving part is mounted on the retractor shaft, and the second force receiving part is mounted on the retractor shaft.

14. The lock assembly of claim 13, wherein the first force receiving part is mounted at one end region of the retractor shaft, and the second force receiving part is mounted at an opposite end region of the retractor shaft.

15. The lock assembly of claim 14, wherein the first and second force receiving parts are configured for pivoting about the retractor axis in response to movement of either handle about the handle axis.

16. The lock assembly of any one of claims 5 to 15, wherein each of the first force receiving part and the second force receiving part is formed as an integral or unitary component of the bolt retractor mechanism.

17. The lock assembly of any one of claims 5 to 16, wherein the lock assembly further comprises:

a privacy mechanism or privacy sub-assembly having a latch member that is movable between:

an engaging position for engaging with, and blocking movement of, the first force providing part of the first handle mechanism, and

a disengaged position in which movement of the first force providing part of the first handle mechanism is unimpeded.

18. The lock assembly of claim 17, wherein the first handle is configured to turn about the handle axis through a dead angle relative to the second handle, in which movement of the first handle produces no movement of the first force providing part or the bolt in response.

19. The lock assembly of claim 18, wherein the movement of the first handle through the dead angle about the handle axis operates to move or release the latch member from the engaging position to the disengaged position.

20. The lock assembly of claim 19, wherein the dead angle is in the range of 5 degrees to 20 degrees,

21. The lock assembly of claim 20, wherein the dead angle is in the range of 10 degrees to 15 degrees.

22. The lock assembly of any one of claims 18 to 21 , wherein the first handle mechanism includes a release member fixedly connected to the first handle for movement therewith about the handle axis, the release member being configured to push the latch member from the engaging position to the disengaged position as the first handle turns through the dead angle about the handle axis.

23. The lock assembly of claim 22, wherein the release member is configured to push the latch member along a linear path.

24. The lock assembly of claim 22 or 23, wherein the release member is provided on a drive body or drive member fixedly connected for movement with the first handle about the handle axis wherein the drive body or drive member is configured to engage with and transfer

movement to the first force providing part when the first handle turns about the handle axis through an angle that exceeds or is greater than the dead angle.

25. The lock assembly of claim 24, wherein the first force providing part of the first handle mechanism comprises a hub member, and the drive body carrying the release member abuts, or is nested within, the hub member to transfer movement thereto when the first handle turns about the handle axis through an angle that exceeds or is greater than the dead angle.

26. The lock assembly of claim 25, wherein one of the drive body and the hub member comprises a projecting lug or tab and the other comprises a complementary recess or slot, the projecting lug or tab and complementary recess or slot cooperating to permit relative movement between the drive body and the hub member as the first handle turns through the dead angle, and to abut or engage for transferring force from the drive body to the hub member when the first handle turns beyond the dead angle.

27. A method of installing a lock assembly having operative connection with a first handle mechanism and a second handle mechanism, wherein the first handle mechanism comprises: a first handle that is manually movable about a handle axis and

a first force providing part operatively associated with the first handle for movement in response to movement of the first handle, and

the second handle mechanism comprises:

a second handle that is manually movable about the handle axis and

a second force providing part operatively associated with the second handle for movement in response to movement of the second handle

wherein the lock assembly comprises:

a bolt configured for latching and/or locking engagement in a respective or

complementary recess; and

a bolt retractor mechanism for moving the bolt from an extended position for engagement in the recess to a retracted position for disengagement from the recess, wherein the bolt retractor mechanism includes

a retractor member configured to pivot about a retractor axis for moving the bolt between the extended position and the retracted position

the method comprising

operatively connecting or engaging the first force providing part of the first handle mechanism with a first force receiving part of the retractor mechanism for imparting force to pivot the retractor member about the retractor axis, and

operatively connecting or engaging the second force providing part of the first handle mechanism with a second force receiving part of the retractor mechanism for imparting force to pivot the retractor member about the retractor axis.