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US 11,766,905 B2Granted
Unattended trailer hitch lock
OwnerDylan Cato, Austin Lazoinventors
Life of this patent
Estimating the term…
Abstract
A trailer hitch lock provides a finned, external shell around a centrally-disposed lock assembly. The material of the shell, its distribution of fins, and the fin dimensions all cooperate to defeat a destructive attack on the lock by a portable angle grinder.
Claims23
A trailer hitch lock that comprises:
- (a) a lock assembly that includes a locking mechanism operably movable vertically from a first unlocked position into a second locked position, wherein said locking assembly is disposed in a vertically-oriented, central chamber located within (b) a shell comprising a plurality of fins that radially extend from said locking assembly by a distance within a range of 36-100 mm, wherein the fins are of sufficient number and are spaced around said lock assembly so that a grinder blade must engage at least two fins as said grinder blade grinds through the fins toward said lock assembly, wherein the shell surrounds said lock assembly and exhibits a slot that is shaped to receive and engage a trailer hitch receiver coupling.
A trailer hitch lock that comprises:
- (a) a lock assembly that includes a locking mechanism operably movable vertically from a first unlocked position into a second locked position, wherein said locking assembly is disposed in a vertically-oriented, central chamber located within (b) a shell comprising a plurality of vertically-oriented fins and horizontally-oriented fins that radially extend from said locking assembly by a distance within a range of 36-100 mm,
- wherein the shell surrounds said lock assembly and exhibits a slot that is shaped to receive and engage a trailer hitch receiver coupling, and
- wherein the lock assembly further comprises a locking ring that is secured in position in said shell with a pair of opposing set screws that can only be accessed when the lock assembly is in an unlocked position and removed, wherein the set screws extend into a groove in said shell.
A trailer hitch lock that comprises:
- (a) a lock assembly that includes a locking mechanism operably movable vertically from a first unlocked position into a second locked position, wherein said locking assembly is disposed in a vertically-oriented, central chamber located within (b) a shell comprising a plurality of vertically-oriented fins and horizontally-oriented fins that radially extend from said locking assembly by a distance within a range of 36-100 mm,
- wherein the shell surrounds said lock assembly and exhibits a slot that is shaped to receive and engage a trailer hitch receiver coupling, and
- wherein said lock assembly in secured in said shell with a locking ring having radially extending, diametrically opposing, threaded, openings that receive set screws from within said locking ring and extending radially outwardly in said openings into a recess of said shell.
Dependencies are inferred from the claim text.