Patent ID: 11905732
Assignee: AUSTIN HARDWARE & SUPPLY, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 19:
20. A door lock assembly, comprising:
a handle, the handle comprising a lock cylinder passage;
a bar, the handle configured to rotate the bar;
a lock cylinder comprising a locking bolt and a side bolt, wherein the lock cylinder is a push to lock cylinder or a key to lock cylinder;
a spring plate comprising a base portion and a tab portion, the base portion comprises a bolt opening to receive the locking bolt, the tab portion extends from the base portion, the tab portion comprising a side bolt opening, wherein the side bolt is configured to selectively enter the side bolt opening of the tab portion to lock the lock cylinder and to selectively withdraw the side bolt from the side bolt opening of the tab portion to unlock the lock cylinder;
a spring to bias the lock cylinder away from the spring plate;
the handle removably receives the lock cylinder in the lock cylinder passage;
an escutcheon plate comprising a bar opening and a locking opening;
the handle configured to rotate relative to the escutcheon plate; and
wherein the bar passes through the bar opening of the escutcheon plate to engage a further locking mechanism or further handle, wherein the locking bolt is configured to selectively enter the locking opening of the escutcheon plate to prevent rotation of the handle and to selectively withdraw from the locking opening of the escutcheon plate to permit rotation of the handle.