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US 12,215,525 B2Granted
Locking device and method for securing cargo door
AssigneeThunderbolt Locks Inc.
InventorsJohn Scaletta, James Jessup
Life of this patent
Estimating the term…
Abstract
A locking device for preventing a cargo door from opening. The locking device includes an anchor fitting, a locking bolt and a key tool. The anchor fitting can be installed through the exterior wall of a cargo vehicle and has an elongated body and a hollow portion to receive the locking bolt. When fully inserted through the anchor fitting, the locking bolt is tightened by the key tool and extends through the anchor fitting to block the movement of the cargo door.
Claims13
A locking device comprising:
- an anchor fitting having an elongated body with a hollow portion forming an entrance opening and an exit opening, a head on one end of the elongated body forming a flange, and an outer surface with a plurality of outer threads;
- a locking bolt with a bolt body having a first end and a second end, with a bolt head and a threaded portion located at the first end along and at least two pin slots located towards the second end to house at least two ball pins;
- A key tool having a body with a first end and a second end with an arm protruding from the body, the arm consisting of an arm end and an anchor torquing section adapted to tighten the locking bolt and anchor fitting, respectively.
A method of implementing a locking device for securing a cargo door, the method comprising:
- a. drilling a hole through an exterior wall of a cargo vehicle and a roller track used to guide the cargo door,
- b. using a tap to thread the hole with internal threads;
- c. inserting an anchor fitting into the hole and tightening by inserting a key tool through an entrance opening of the anchor fitting;
- d. inserting a locking bolt into the anchor fitting and tighten with the key tool until it is secure.
1 more element
Dependencies are inferred from the claim text.