Deadbolt latch assembly
AssigneeMedeco Security Locks, Inc.
InventorsWilliam D. Boadwine, James M. Marshall
Life of this patent
Estimating the term…
Abstract
A deadbolt latch assembly includes a cylindrical latch housing containing a pair of ear tabs for engagement with either of a rectangular or circular faceplate assembly, depending upon the requirements of the door in which the latch assembly is to be mounted. The rectangular faceplate assembly includes a backing plate for rotary engagement with the ear tube, while the circular faceplate assembly includes a pair of elongated slots for slidably engaging the ear tabs and a groove for accepting a retainer ring which holds the ear tabs in place.
Claims8
A door latch kit, comprising:
- a latch unit, including
- a cylindrical latch housing including attachment means for attaching a faceplate to one end thereof, and
- a latch supported within said cylindrical latch housing;
- a rectangular faceplate assembly, including
- a rectangular faceplate having a planar surface with an opening contoured to the cross sectional shape of said latch, and
- a backing plate fixed to said rectangular faceplate on a surface opposite said planar surface and having means for snap engaging and locking said attachment means to said rectangular faceplate assembly;
- and
- a circular faceplate assembly, including
- a circular faceplate having a planar surface with an opening contoured to the cross sectional shape of said latch and having means for slidably engaging said attachment means, and
- retaining means for locking said attachment means in engagement with said circular faceplate;
- said latch unit being usable with either of said rectangular and circular faceplate assemblies.
A circular faceplate assembly for attachment to attachment means of a door latch housing, comprising:
- a circular faceplate having a planar surface with an opening contoured to the cross sectional shape of a latch supported within said door latch housing and having means for slidably engaging said door latch housing;
- and
- retaining means for locking said door latch housing in engagement with said circular faceplate.
A door latch assembly, comprising:
- a latch unit, including
- a cylindrical latch housing including attachment means for attaching a faceplate to one end thereof, and
- a latch supported within said cylindrical latch housing;
- and
- a circular faceplate assembly, including
- a circular faceplate having a planar surface with an opening contoured to the cross sectional shape of said latch and having means for slidably engaging said attachment means, and
- retaining means for locking said attachment means in engagement with said circular faceplate.
Dependencies are inferred from the claim text.