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1. (WO2018128633) INTERCONNECTED DOOR LOCK
Nota: O texto foi obtido por processos automáticos de reconhecimento ótico de caracteres.
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Claims

What is claimed is:

1. An interconnection assembly for a door lock set having a deadbolt assembly with a deadbolt and an interior latch bolt handle operatively coupled to a latch bolt, the interconnection assembly comprising:

a chassis defining a first rotational axis, a second rotational axis, and a pivot axis; an upper cam plate rotatably coupled to the chassis to pivot about the first rotational axis, the upper cam plate being operatively coupled to the deadbolt, the upper cam plate having a cam surface;

a lower cam plate rotatably coupled to the chassis to pivot about the second rotational axis, the lower cam plate being operatively coupled to the interior latch bolt handle, the lower cam plate having an cam slot; and

a linkage bar rotatably coupled to the chassis to pivot about the pivot axis, the linkage bar having a first linkage portion and a second linkage portion that extend in opposite directions orthogonal to the pivot axis, the first linkage portion having a first cam follower configured to operatively engage the cam surface of the upper cam plate and the second linkage portion having a second cam follower operatively received in the cam slot of the lower cam plate.

2. The interconnection assembly of claim 1, wherein the chassis is in the form of an elongate plate, the chassis having a first side and a second side, wherein the upper cam plate is located on the first side of the chassis, the linkage bar is located on the first side of the chassis, and the lower cam plate is located on the second side of the chassis, the chassis having an opening through which the second cam follower is received.

3. The interconnection assembly of claim 1, wherein each of the first cam follower and the second cam follower is a pin that projects from a surface of the linkage bar in a direction substantially parallel to the pivot axis.

4. The interconnection assembly of claim 1, wherein the cam surface of the upper cam plate has a downwardly facing V-shape and the cam slot of the lower cam plate has an upwardly facing U-shape.

5. The interconnection assembly of claim 1, wherein the upper cam plate has a first wing portion and a second wing portion, the first wing portion being symmetrical to the second wing portion with respect to a centerline of the upper cam plate to define the cam surface as having a downwardly facing V-shape and with an apex of the V-shape located on the centerline.

6. The interconnection assembly of claim 1, wherein the cam surface of the upper cam plate has a downwardly facing V-shape that defines a first cam surface portion, a second cam surface portion, and an apex that joins the first cam surface portion with the second cam surface portion, wherein the first cam surface portion diverges from the second cam surface portion at the apex in an angular range of 140 to 160 degrees.

7. The interconnection assembly of claim 1, wherein the cam surface of the upper cam plate has a downwardly facing V-shape that defines a first cam surface portion, a second cam surface portion, and a central apex that joins the first cam surface portion with the second cam surface portion, and the cam slot defines a path having a first terminal end and a second terminal end spaced apart from the first terminal end, the first cam follower of the first linkage portion of the linkage bar configured to follow at least a portion of the V-shape of the cam surface as the first cam plate pivots about the first rotational axis, such that the linkage bar pivots about the pivot axis to reposition the second cam follower of the second linkage portion of the linkage bar in the cam slot of the lower cam plate.

8. The interconnection assembly of claim 7, wherein when the deadbolt is in a retracted position, the first cam follower of the first linkage portion of the linkage bar is positioned at the central apex of the cam surface of the upper cam plate, and the second cam follower of the second linkage portion of the linkage bar is positioned at a central portion of the cam slot of the lower cam plate.

9. The interconnection assembly of claim 8, wherein when the deadbolt is in an extended position, the first cam follower of the first linkage portion of the linkage bar is moved by the cam surface of the upper cam plate away from the central apex to one of the first cam surface portion and the second cam surface portion, and the second cam follower of the second linkage portion of the linkage bar is positioned at a corresponding one of the first terminal end and the second terminal end of the cam slot of the lower cam plate.

10. The interconnection assembly of claim 9, wherein with the second cam follower of the second linkage portion of the linkage bar positioned at a corresponding one of the first terminal end and the second terminal end of the cam slot of the lower cam plate, a rotation of the interior latch bolt handle about the second rotational axis results in a corresponding rotation of the lower cam plate about the second rotational axis to rotationally displace the cam slot relative to the second rotational axis and in turn invoke a counter rotation of the linkage bar about the pivot axis to reposition the first cam follower of the first linkage portion of the linkage bar along the cam surface of the upper cam plate to in turn rotate the upper cam plate to effect a retraction of the deadbolt.

11. An interconnected door lock, comprising:

a latch bolt assembly having a latch bolt;

a latch bolt handle set that includes an exterior latch bolt operator having an exterior latch bolt handle and an interior latch bolt operator having an interior latch bolt handle, each of the interior latch bolt operator and the exterior latch bolt operator being operatively coupled to the latch bolt assembly to selectively operate the latch bolt;

a deadbolt assembly having a deadbolt;

a deadbolt operator set including an exterior deadbolt operator and an interior deadbolt operator, wherein each of the exterior deadbolt operator and the interior deadbolt operator is operatively coupled to the deadbolt assembly to selectively operate the deadbolt; and

an interconnection assembly configured to interconnect the interior latch bolt handle to the deadbolt operator set, the interconnection assembly comprising:

a chassis defining a first rotational axis, a second rotational axis, and a pivot axis; an upper cam plate rotatably coupled to the chassis to pivot about the first rotational axis, the upper cam plate being operatively coupled to the deadbolt, the upper cam plate having a cam surface;

a lower cam plate rotatably coupled to the chassis to pivot about the second rotational axis, the lower cam plate being operatively coupled to the interior latch bolt handle, the lower cam plate having an arcuate cam slot; and

a linkage bar rotatably coupled to the chassis to pivot about the pivot axis, the linkage bar having a first linkage portion and a second linkage portion that extend in opposite directions orthogonal to the pivot axis, the first linkage portion having a first cam follower configured to operatively engage the cam surface of the upper cam plate and the second linkage portion having a second cam follower operatively received in the arcuate cam slot of the lower cam plate.

12. The interconnected door lock of claim 11, wherein the chassis is in the form of an elongate plate, the chassis having a first side and a second side, wherein the upper cam plate is located on the first side of the chassis, the linkage bar is located on the first side of the chassis, and the lower cam plate is located on the second side of the chassis, the chassis having an opening through which the second cam follower is received.

13. The interconnected door lock of claim 11, wherein each of the first cam follower and the second cam follower is a pin that projects from a surface of the linkage bar in a direction substantially parallel to the pivot axis.

14. The interconnected door lock of claim 11, wherein the cam surface of the upper cam plate has a downwardly facing V-shape and the arcuate cam slot of the lower cam plate has an upwardly facing U-shape.

15. The interconnected door lock of claim 11, wherein the upper cam plate has a first wing portion and a second wing portion, the first wing portion being symmetrical to the second wing portion with respect to a centerline of the upper cam plate to define the cam surface as having a downwardly facing V-shape and with an apex of the V-shape located on the centerline.

16. The interconnected door lock of claim 11, wherein the cam surface of the upper cam plate has a downwardly facing V-shape that defines a first cam surface portion, a second cam surface portion, and an apex that joins the first cam surface portion with the second cam surface portion, wherein the first cam surface portion diverges from the second cam surface portion at the apex in an angular range of 140 to 160 degrees.

17. The interconnected door lock of claim 11, wherein the cam surface of the upper cam plate has a downwardly facing V-shape that defines a first cam surface portion, a second cam surface portion, and a central apex that joins the first cam surface portion with the second cam surface portion, and the arcuate cam slot defines an arcuate path having a first terminal end and a second terminal end spaced apart from the first terminal end, the first cam follower of the first linkage portion of the linkage bar configured to follow at least a portion of the V-shape of the cam surface as the first cam plate pivots about the first rotational axis, such that the linkage bar pivots about the pivot axis to reposition the second cam follower of the second linkage portion of the linkage bar in the arcuate cam slot of the lower cam plate.

18. The interconnected door lock of claim 17, wherein when the deadbolt is in a retracted position, the first cam follower of the first linkage portion of the linkage bar is positioned at the central apex of the cam surface of the upper cam plate, and the second cam follower of the second linkage portion of the linkage bar is positioned at a central portion of the arcuate cam slot of the lower cam plate.

19. The interconnected door lock of claim 18, wherein when the deadbolt is in an extended position, the first cam follower of the first linkage portion of the linkage bar is moved by the cam surface of the upper cam plate away from the central apex to one of the first cam surface portion and the second cam surface portion, and the second cam follower of the second linkage portion of the linkage bar is positioned at a corresponding one of the first terminal end and the second terminal end of the arcuate cam slot of the lower cam plate.

20. The interconnected door lock of claim 19, wherein with the second cam follower of the second linkage portion of the linkage bar positioned at a corresponding one of the first terminal end and the second terminal end of the arcuate cam slot of the lower cam plate, a rotation of the interior latch bolt handle about the second rotational axis results in a corresponding rotation of the lower cam plate about the second rotational axis to rotationally displace the arcuate cam slot relative to the second rotational axis and in turn invoke a counter rotation of the linkage bar about the pivot axis to reposition the first cam follower of the first linkage portion of the linkage bar along the cam surface of the upper cam plate to in turn rotate the upper cam plate to effect a retraction of the deadbolt.

21. The interconnected door lock of claim 11, wherein a conversion of the interconnected door lock from right-hand to left-hand operation, or vice- versa, is achieved by changing a direction that each of the deadbolt of the deadbolt assembly and the latch bolt of the latch bolt assembly extends from the chassis.

22. The interconnected door lock of claim 11, wherein a conversion of the interconnected door lock from right-hand to left-hand operation, or vice- versa, is effected by rotating each of the deadbolt assembly and the latch bolt assembly by 180 degrees relative to the chassis.