Pin-engaging drawbar and lock plate assembly
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United States of America Patent
Stats
-
Nov 13, 2012
Grant Date -
Aug 12, 2010
app pub date -
Jan 27, 2010
filing date -
Jan 30, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pin-engaging drawbar and lock plate assembly is designed to mount and stabilize in the drawbar of a trailer hitch or alternative trailer and accessory hitch or receiver assembly. In one embodiment the pin-engaging drawbar and lock plate assembly includes a bolt extending into the drawbar, typically having the bolt head secured to a lock plate positioned beneath a locking pin extending transversely through the receiver and the drawbar. An angle brace is fixed to the lock plate and engages the locking pin, and the locking pin openings are typically vertically elliptical or elongated in the drawbar to facilitate rotating a nut on the extending threaded end of the bolt and forcing the angle brace against the locking pin, thus tightening the drawbar against the hitch receiver. In another embodiment the bolt extends through a slotted front stabilizing plate to the lock plate and rotating the nut forces the lock plate against the hitch receiver and the angle plate and further tightens and stabilizes the drawbar against the hitch receiver. A second stabilizing plate can be provided rearwardly of the angle brace for engaging the drawbar and the hitch receiver and further stabilizing the assembly inside the hitch receiver. The locking action in all embodiments substantially eliminates both vertical and horizontal slack or play between the drawbar and the hitch receiver.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Weaver, Danny C | Shreveport, US | 4 | 65 |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 13, 2024 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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