Anti-theft trailer pin lock

Details Anti-theft trailer pin lock Anti-theft trailer pin lock

1991-10-21

1992-08-11

Luebke, Renee S.

Locks

Portable

70 58, 70232, E05B 7300

Patent

active

051368633

ABSTRACT:
An inner member and outer member enclose a trailer kingpin. The inner member has an outer shell with a laterally extending slot for receiving the kingpin. Plates are mounted transversely of the shell adjacent to the slot edges for preventing axial movement of the inner member relative to the kingpin. Padlock shackles are fixedly mounted to and extend radially from the inner member. A padlock body has a key cylinder for locking the padlock body onto the shackles. An outer sleeve member has an open end for receiving the inner member and shaft end, and a side opening positioned and sized to receive the padlock body during locking of the padlock body onto the shackles. The padlock body extends through the side opening when the padlock body is locked onto the shackles, whereby the inner member is fixed axially relative to the outer member and the shaft end is captured in the device.

REFERENCES:
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patent: 3004421 (1961-10-01), Bowler
patent: 3112636 (1963-12-01), McIntyre
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patent: 3206955 (1965-09-01), Horovitz
patent: 3386274 (1968-06-01), McIntyre
patent: 3415085 (1968-12-01), Eble, Jr.
patent: 3600914 (1971-08-01), Johnson et al.
patent: 3757550 (1973-09-01), Kayser
patent: 3780546 (1973-12-01), Longenecker
patent: 4407146 (1983-10-01), Nielsen, Jr.
patent: 4480450 (1984-11-01), Brown
patent: 4620718 (1986-11-01), Mickelson
patent: 4704883 (1987-11-01), Dykes
patent: 4841756 (1989-06-01), Curtis

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