Safety chain for towed vehicles
AssigneePower Pin Inc.
InventorBrian R. Olson
Life of this patent
Estimating the term…
Abstract
A safety chain apparatus for connecting a trailer to a towing vehicle includes a chain, comprising a continuous length of chain links, extending through a right and left tongue holes defined in a right and left side portions of the trailer tongue. An engagement device is installed on right and left ends of the chain, the engagement devices adapted to be attached to corresponding attachment locations of the towing vehicle. Right and left blocking members are each secured to a selected blocking chain link between the right and left tongue holes and configured to prevent passage of the selected blocking chain links through the corresponding right and left tongue holes.
Claims15
A safety chain apparatus for connecting a trailer to a towing vehicle, the apparatus comprising:
- a trailer with a trailer tongue extending forward from a frame of the trailer, and a hitch member attached to a front end of the trailer tongue and adapted to connect to the towing vehicle;
- a chain comprising a continuous length of chain links, the chain extending through a right tongue hole defined in a right side portion of the trailer tongue and through a left tongue hole defined in a left side portion of the trailer tongue;
- an engagement device on right and left ends of the chain, the engagement devices adapted to be attached to corresponding attachment locations of the towing vehicle;
- right and left blocking members, each blocking member secured to a selected blocking chain link between the right and left tongue holes and configured to prevent passage of the selected blocking chain links through the corresponding right and left tongue holes.
A method of connecting a safety chain between a trailer and a towing vehicle, the trailer comprising a trailer tongue extending forward from a frame of the trailer, and a hitch member attached to a front end of the trailer tongue and connected to the towing vehicle, method comprising:
- providing a chain comprising a continuous length of chain links and extending the chain through a right tongue hole defined in a right side portion of the trailer tongue and through a left tongue hole defined in a left side portion of the trailer tongue;
- attaching an engagement device on right and left ends of the chain;
- selecting right and left blocking chain links, each blocking chain link located between the right and left tongue holes, and preventing passage of the selected right and left blocking chain links through the corresponding right and left tongue holes;
- attaching the engagement devices to corresponding attachment locations on the towing vehicle.
Dependencies are inferred from the claim text.