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US 9,809,204 B2Granted
Trailer jack plunger pin release lever system
OwnerOtis Younginventor
Life of this patent
Estimating the term…
Abstract
A lever system for actuating a plunger pin on a trailer jack includes a lever, an attachment member for attaching the lever to the plunger pin and an engagement member which limits the movement of the lower end of the lever toward the trailer jack.
Claims18
A lever system for assisting in operation of a trailer jack having a plunger pin, the lever system comprising:
- an engagement member disposed adjacent the plunger pin;
- and
- a lever having an upper end and a lower end, the lever being attachable to the plunger pin such that pulling the lever away from the trailer jack moves the lower end toward the jack and wherein the lower end engages the engagement member, the engagement member being adapted to limit rotation of the lower end toward the jack.
A trailer jack comprising:
- a plurality of tubing members, as least one of the tubing members having holes and being slidable relative to another one of the plurality of tubing members;
- a plunger pin biased into engagement with one of the holes to selectively prevent the at least one of the plurality of tubing members from sliding relative to the other one of the plurality of tubing members;
- a lever attached to and pivotable relative to the plunger pin, the lever having an upper end and a lower end, the lower end pivoting toward the tubing members when the upper end is pulled away from the plurality of tubing members;
- and
- an engagement member for limiting rotation of the lower end toward the tubing members.
2 more elements
A lever for attachment to a trailer jack, the lever having an upper end and a lower end, a hole formed in the lever adjacent the lower end for attachment to a plunger pin, and a channel in the lower end for receiving the plunger pin of the trailer jack.
Dependencies are inferred from the claim text.