Interiorly reinforced door lock set
OwnerFrank Suinventor
Life of this patent
Estimating the term…
Abstract
A door lock set includes: an outer lock held in an outer trim plate on an outside surface of a door, a latch device for locking the door on a door frame, an inner reinforced retaining member fastened with the outer lock and retained on an inside surface of the door, an outer reinforced retaining member fastened with the inner reinforced retaining member across the door, an inner trim plate having an inner knob or handle rotatably or pivotally held on the inner trim plate fastened to the inner reinforced retaining member and retained on an inside surface of the door; and the outer lock fastened to the inner reinforced retaining member for retaining the outer trim plate on the outside surface of the door for providing a door lock set easily assembled but difficultly damaged.
Claims8
A door lock set comprising:
- an outer lock formed on an outside of a door and protruding inwardly through a lock hole formed through a thickness of the door;
- an outer trim plate having the outer lock engaged therein and positioned on an outside surface of the door;
- a latch device formed in the door and driven by said outer lock for protruding a latch for locking the door on a door frame;
- an inner reinforced retaining member fastened with the outer lock to be retained on an inside surface of the door;
- an outer reinforced retaining member encased in said outer trim plate and fastened with said inner reinforced retaining member across the thickness of said door for firmly fastening said outer and inner reinforced retaining members in between the outside and inside surfaces of said door and for retaining said outer trim plate on said outside surface of said door;
- an inner trim plate fastened to said inner reinforced retaining member and retained on the inside surface of said door for encasing said inner reinforced retaining ember in said inner trim plate;
- and
- an inner knob rotatably or pivotally formed on said inner trim plate and linked with said outer lock by a spindle passing through said latch device positioned between the outer and inner trim plates;
- and both said outer and inner reinforced retaining members disposed on opposite side surfaces of said door for shielding the lock hole formed through the thickness of said door for preventing intrusion into the lock hole from said outer trim plate;
- whereby upon fastening of both said inner and outer reinforced retaining members on said door, said door lock set is strongly reinforced and well supported.
A door lock set comprising:
- an outer lock, an outer trim plate formed on an outside surface of a door, a latch device linked with the outer lock for protruding a latch for locking the door on a door frame, an interior reinforced retaining member provided in the door and fastened to the outer trim plate to dispose the latch device in between the outer trim plate and the interior reinforced retaining member, an inner trim plate fastened to the interior reinforced retaining member and retained on an inside surface of the door, and an inner knob rotatably mounted in the inner trim plate and linked with the outer lock.
Dependencies are inferred from the claim text.