Patent ID: 7306254
Filing Date: 2007-12-11
Classification: B60D,Y10T

Abstract:
1. A locking device for use in connection with a trailer kingpin comprising: a lock body having an inner wall, an outer wall, and a bore hole through said inner and outer walls, said inner wall defining a space for receiving a trailer kingpin and said outer wall being inclined from lower portion toward an upper portion; a lock collar between said inner wall and said outer wall; a locking bar in said bore hole, said locking bar having a cavity therein, said cavity having a first opening at one end for receiving a lock mechanism and a second opening smaller than said first opening at a second end, said second end of said locking bar being closer to said outer wall than said first end of said locking bar; and a lock mechanism in said cavity in said locking bar; wherein said lock body further comprises a neck connected to said inner and outer walls.