Trailer kingpin locking device

Land vehicles – Wheeled – Articulated vehicle

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C280S432000, C070S014000, C070S058000

Reexamination Certificate

active

11195507

ABSTRACT:
A security device is disclosed which mounts to a king pin of a trailer to prevent unauthorized coupling of the trailer to a tractor. The security device includes a austempered ductile iron dual shell body having an inner shell for receiving a trailer kingpin and an outer conical or contoured shell to prevent unauthorized coupling to the trailer kingpin. The security device further includes a stainless steel collar placed between the inner and outer shells for deterring damage.

REFERENCES:
patent: 2755655 (1956-07-01), Maffey
patent: 3386274 (1968-06-01), McIntyre
patent: 3600914 (1971-08-01), Johnson
patent: 4031727 (1977-06-01), De Groat
patent: 4132093 (1979-01-01), McDorman, Sr.
patent: 4141233 (1979-02-01), Reyes
patent: 4305266 (1981-12-01), Lockwood
patent: 4553415 (1985-11-01), Maffey
patent: 4620718 (1986-11-01), Mickelson
patent: 4697444 (1987-10-01), Maffey
patent: 4704883 (1987-11-01), Dykes
patent: 4841756 (1989-06-01), Curtis
patent: 4882921 (1989-11-01), Wopinski
patent: 5136863 (1992-08-01), Richardson
patent: 5154458 (1992-10-01), Cook
patent: 5165265 (1992-11-01), Maionchi
patent: 5259223 (1993-11-01), Nee
patent: 5322316 (1994-06-01), Wheeler
patent: 5351511 (1994-10-01), Bernier
patent: 5491992 (1996-02-01), Mandall
patent: 5520030 (1996-05-01), Muldoon
patent: 5675997 (1997-10-01), Hulak
patent: 5987938 (1999-11-01), Frei
patent: 6070688 (2000-06-01), Schulz
patent: 6412313 (2002-07-01), Bernstrom
patent: 6427496 (2002-08-01), Hurst
patent: 6588239 (2003-07-01), Johansson
patent: 6761050 (2004-07-01), Rosenberg
patent: 6848282 (2005-02-01), Palzkill et al.
www.universalboot.com.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Trailer kingpin locking device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Trailer kingpin locking device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Trailer kingpin locking device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3842294

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.