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US 6,202,453 B1Granted
Trailer guard
OwnerWilliam R. Disher, Gail M. Disher +1inventors
InventorsWilliam R. Disher, Gail M. Disher, John E. Bechard
Life of this patent
Estimating the term…
Abstract
An anti-theft, anti-damage and/or anti-vandalism device for trailers that includes a trailer guard for preventing access to the trailer ball attachment portion of a trailer and, thereby, preventing damage to the trailer ball attachment portion as well as theft of the entire trailer. The trailer guard includes a ball attachment portion shield assembly, a shield assembly locking plate, and a lock assembly.
Claims2
A trailer guard comprising:
- a ball attachment portion shield assembly;
- a shield assembly locking plate;
- and
- a lock assembly;
- said ball attachment portion shield assembly being constructed from rigid steel and including a cylinder shaped shield with one closed end, one open ball attachment portion insertion end, a cylinder shaped ball attachment portion receiving cavity defined within said cylinder shaped shield between said closed end and said open ball attachment portion insertion end, and two opposed elongated locking plate passage slots formed through a sidewall of said cylinder shaped shield;
- said shield assembly locking plate including a rectangular locking plate element having a locking bolt passage aperture formed therethrough adjacent to an insertion end thereof and a blocking plate perpendicularly attached to a locking plate element end thereof opposite said insertion end, said bolt passage aperture being spaced sufficiently from said blocking plate such that said bolt passage aperture is positioned exteriorly of said cylinder shaped shield when said insertion end has been positioned through both of said opposed elongated locking plate passage slots;
- said lock assembly including a locking bolt lockable through said bolt passage aperture.
4 more elements
A trailer guard comprising:
- a ball attachment portion shield assembly;
- a shield assembly locking plate;
- and
- a lock assembly;
- said ball attachment portion shield assembly being constructed from rigid steel and including a shield with one closed end, one open ball attachment portion insertion end, a ball attachment portion receiving cavity defined within said shield between said closed end and said open ball attachment portion insertion end, and two opposed elongated locking plate passage slots formed through a sidewall of said shield, said open ball attachment portion insertion end being partially defined by a curved cut-out from an adjacent bottom portion of the shield;
- said shield assembly locking plate including a rectangular locking plate element having a locking bolt passage aperture formed therethrough adjacent to an insertion end thereof and a blocking plate perpendicularly attached to a locking plate element end thereof opposite said insertion end, said bolt passage aperture being spaced sufficiently from said blocking plate such that said bolt passage aperture is positioned exteriorly of said shield when said insertion end has been positioned through both of said opposed elongated locking plate passage slots;
- said lock assembly including a locking bolt lockable through said bolt passage aperture.
4 more elements
Dependencies are inferred from the claim text.