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US 9,809,995 B2Granted
High-strength lock
AssigneeUnited States Postal Service
InventorsDonald E. Irwin, Michael L. Spears, Robert Dalton
Life of this patent
Estimating the term…
Abstract
Described herein is locking apparatus, method for making a locking apparatus, and method for mounting a locking apparatus to the door of a personal storage container. The locking apparatus may include a threaded portion having deformed threads and a lock body shape to fit a restrictive mounting hole.
Claims16
A locking apparatus, comprising:
- a cylinder having a non-cylindrical shape, the cylinder extending from a proximate end to a distal end, and including:
- a top edge extending along a length of the cylinder;
- a first pair of notched portions disposed on either side of the top edge and parallel to the top edge, the first pair of notched portions extending from the proximate end to a notched portion end disposed between the proximate end and the distal end;
- and
- a second pair of notched portions vertically offset from the first pair of notched portions, the second pair of notched portions extending from the notched portion end to the distal end;
- a rotatable plug positioned in the cylinder and having a threaded portion;
- a pin assembly configured to receive a key that selectively prevents and permits rotation of the plug;
- and
- a nut cooperating with the threaded portion of the plug.
6 more elements
A box, including:
- a door having a non-cylindrical mounting hole;
- a lock including:
- a cylinder, having:
- a top edge extending along a length of a cylinder body extending from a proximate end to a distal end;
- a first pair of notched portions disposed parallel to the top edge and vertically offset from the top edge, the pair of notched portions extending from the proximate end to a notched portion end disposed between the proximate end and the distal end;
- and
- a second pair of notched portions vertically offset from the first pair of notched portions, the second pair of notched portions extending from notched portion end to the distal end;
- a rotatable plug positioned in the cylinder and having a threaded portion;
- a pin assembly configured to receive a key that selectively prevents and permits rotation of the plug;
- a nut cooperating with the threaded portion of the plug;
- and
- a cam disposed between the nut and the plug;
- and
- a retaining clip positioned between the non-cylindrical mounting hole and the lock.
11 more elements
Dependencies are inferred from the claim text.