发明名称 Ball hitch trailer lock
摘要 Anti-theft apparatus for protecting an uncoupled trailer, including a portion mountable within the ball receiving end of a trailer and also including a U-shaped member and a draw bar insertable through the legs thereof for securing the assembly to the trailer tongue. A housing formed on one side of the U-shaped member protects a padlock secured to a slot in the dead bolt.
申请公布号 US4538827(A) 申请公布日期 1985.09.03
申请号 US19840601071 申请日期 1984.04.16
申请人 PLIFKA, JOHN W. 发明人 PLIFKA, JOHN W.
分类号 B60D1/60;(IPC1-7):B60R25/00;E05B73/00 主分类号 B60D1/60
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