Door lock assembly with waggle reduction
AssigneeASSA ABLOY Access and Egress Hardware Group, Inc.
InventorsDouglas Clark, Rick Leites, Scott Morstatt, Eric Palmieri, Sharath Kumar Ramachandran
Life of this patent
Estimating the term…
Abstract
A door lock system may include an outer spindle operatively connected to a disc with a larger diameter than a diameter of the outer spindle. The disc may include an opening that slidingly receives a lock spindle along a lock axis configured to engage a lock body. The lock spindle and the spindle opening may have complementary shapes and sizes such that the lock spindle is rotationally coupled to the disc about the center axis. Torque may be transmitted from a handle to the disc and from the disc to the lock spindle via the opening.
Claims14
1-17. (canceled)
A door lock system comprising:
- a housing comprising a backplate;
- a handle configured to be rotated about a lock axis;
- a lock spindle operatively couplable to the handle and aligned along the lock axis, a first end of the lock spindle configured to engage a lock body, wherein the lock spindle is configured to rotate about the lock axis as the handle is rotated about the lock axis when the lock spindle is operatively coupled to the handle;
- and
- a projection operatively coupled to the lock spindle and extending axially into a corresponding hole in the backplate, wherein at least a portion of the projection is disposed at a greater radial distance from the lock axis than the lock spindle;
- wherein the projection is configured to translate and/or rotate in the corresponding hole as the lock spindle rotates about the lock axis.
Dependencies are inferred from the claim text.